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Low Fuel Pressure.. Second Opinion Anyone?

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Old 10-07-2014, 05:38 AM
  #1  
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Default Low Fuel Pressure.. Second Opinion Anyone?

I have a 2011 Audi A8L with the 4.2L engine. The first symptoms I received were after driving about two hours the engine began to misfire. This was a code P0304 I believe and it also disabled hill assist, braking guard, active cruise control, tpms malfunction, and the air suspension causing the car to ride rough. The car stalled but I was able to restart it and drive to my destination and back home with no further issues. The codes stored when I got home were P2279 Leak in Air Intake System, P0106 Manifold / Barometric Pressure Sensor (G71) / (F96), P0172 Fuel Trim; Bank 1: System Too Rich, and P0175 System Too Rich. About a week later I had driven about 141 miles, parked the car for the whole day, and started to drive back home when the car stalled again. It seemed that as long as the car was kept at speed and not idle it wouldn't stall. Finally, this past Friday I drove the car to work (17 miles), and after 8 hours of it being parked, started the car and only made it a few feet before it stalled and would crank but no longer turn over. The codes were P025C Fuel Pump Control Module Short to Ground (MIL ON) and P19A1 Thermostat for Transmission - Short to Ground. I replaced the fuel pump control module with a used one and the car started and would idle but once the RPMs reached 1200-1400 it would stall out. This time the codes were P008A Low Fuel Pressure, P025c again, and P025a fuel pump electrical fault. If I clear the codes while the engine is running, and re-read codes the immediate one that returns is p025c.


Country: United States
Make: Audi
Model: A8L
Year: 2011
Engine: 4.2L V8

Already Tried:
Checked battery positive terminal fuse, fuse 15 on fuse panel F in trunk, replaced fuel pump control module.

--



You have rated an Answer!

From Bryan


Monday, October 06, 2014 2:48 PM EST


Bryan :
Hello. My name is ***** ***** I will be glad to assist you today in answering your questions.

Bryan :
The high pressure fuel pump has gone bad and is causaing the car to get low fuel pressure. The codes you got originally tell me that for no reason the car started to run lean and had to much air, well most likely unless something broken the car was not supplying enough fuel. and this caused the lean symptom. The misfires associated to this issue are common cause what happens when the car runs lean is the combustion happens early causing the cylinder to detonate before it should from the spark plug. The easiest fix to this is to replace the high pressure fuel pump.

Customer:
Okay, but is there a specific reason why the failure of the high pressure fuel pump would cause the control module to short to ground?

Bryan :
The main reason for the severe misfires is because the car is turbo charged this means the engine is force fed air, and its squeezed into the engine as tight as it can, more air means more fuel is needed. so with direct injection you put the fuel injector inside the cylinder and have it squirt just the right amount of fuel

Bryan :
the pump module is grounded by the ecm so 2 things could have occurred. A. the pump module did all it could to get the injectors to fire and as a result of the excessive heat produce by running lean it burned up, or by the overload of work it shorted out internally. The second the pump module is fine and the car thinks its shorted to ground cause its commanded the pump module to work harder to give it more fuel and its not seeing the correct response

Bryan :
shorts to ground are usually a result of something not responding the way the car wants them to respond in your case Engine computer said give me more fuel no additional fuel was given the engine computer assumes the fuel module is shorted and bad

Bryan :
To test this code the first thing that you do is check fuel pressure and check the fuel pump

Customer:
Okay, I think I don't want to replace the fuel pump myself. Bryan, can you provide an estimate of the labor and parts if I were to get this replaced at the local Audi dealer?

Bryan :
varies on the amount of damage to the pump and to the engine if none just bad pumps your looking around(###) ###-####if internal damage has occurred it will be significant more

Bryan :
based on what you have told me you have no internal damage

Bryan :
I have my fingers crossed that its just the pump I am looking up the part price now will be back with you

Customer:
okay, thank you so much for your help today


fuel pump is 354.00

--------------------------------------------------------------------------------
Regards,

Bryan Tillett
Old 10-07-2014, 06:16 AM
  #2  
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Please post a complete unmolested Auto-Scan and we'll take a look.

I don't know where that Q/A came from but it's hilarious, and wrong.
Old 10-07-2014, 11:57 AM
  #3  
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Wednesday,01,October,2014,16:54:33:05402
VCDS Version: Release 12.12.3 (x64)

Address 01: Engine Labels: None
Control Module Part Number: 4H0 907 560 C HW: 4H0 907 560
Component and/or Version: 4.2l V8/4V H07 0004
Software Coding: 0106000A290F0268
Work Shop Code: WSC 05147 444 999999
ASAM Dataset: EV_ECM42FSI0114H0907560C 001005 (AU64)
VCID: 2A5B23A04DEA334EE59-807F
6 Faults Found:

14627 - Fuel Pump Control Module
P025A 00 [032] - Electrical Fault
Intermittent - Not Confirmed - Tested Since Memory Clear
Freeze Frame:
Fault Status: 00000001
Fault Priority: 2
Fault Frequency: 1
Mileage: 116814 km
Date: 2014.09.30
Time: 22:57:24

14629 - Fuel Pump Control Module
P025C 00 [167] - Short to Ground
MIL ON - Not Confirmed - Tested Since Memory Clear
Freeze Frame:
Fault Status: 00000001
Fault Priority: 2
Fault Frequency: 1
Mileage: 116853 km
Date: 2014.10.01
Time: 14:28:19

10333 - Thermostat for Transmission
P19A2 00 [044] - Open Circuit
Intermittent - Confirmed - Tested Since Memory Clear
Freeze Frame:
Fault Status: 00000001
Fault Priority: 6
Fault Frequency: 6
Mileage: 116845 km
Date: 2014.10.01
Time: 12:13:28

10336 - Thermostat for Transmission
P19A1 00 [039] - Short to GND
Not Confirmed - Tested Since Memory Clear
Freeze Frame:
Fault Status: 00000001
Fault Priority: 6
Fault Frequency: 14
Mileage: 116853 km
Date: 2014.10.01
Time: 14:27:58

4661 - Relay for Aux Coolant Pump (J496)
P1927 00 [104] - Open Circuit
Intermittent - Confirmed - Tested Since Memory Clear
Freeze Frame:
Fault Status: 00000001
Fault Priority: 2
Fault Frequency: 116
Mileage: 116726 km
Date: 2014.09.30
Time: 11:41:56

4663 - Relay for Aux Coolant Pump (J496)
P1926 00 [108] - Short to Ground
Intermittent - Confirmed - Tested Since Memory Clear
Freeze Frame:
Fault Status: 00000001
Fault Priority: 2
Fault Frequency: 148
Mileage: 116726 km
Date: 2014.09.30
Time: 11:42:05


Readiness: 0000 0000

---


Wednesday,01,October,2014,16:56:02:05402
VCDS Version: Release 12.12.3 (x64)

Address 01: Engine Labels: None
Control Module Part Number: 4H0 907 560 C HW: 4H0 907 560
Component and/or Version: 4.2l V8/4V H07 0004
Software Coding: 0106000A290F0268
Work Shop Code: WSC 05147 444 999999
ASAM Dataset: EV_ECM42FSI0114H0907560C 001005 (AU64)
VCID: 2A5B23A04DEA334EE59-807F
2 Faults Found:

14629 - Fuel Pump Control Module
P025C 00 [167] - Short to Ground
MIL ON - Not Confirmed - Tested Since Memory Clear
Freeze Frame:
Fault Status: 00000001
Fault Priority: 2
Fault Frequency: 1
Mileage: 116853 km
Date: 2014.10.01
Time: 16:54:50

10336 - Thermostat for Transmission
P19A1 00 [039] - Short to GND
Not Confirmed - Tested Since Memory Clear
Freeze Frame:
Fault Status: 00000001
Fault Priority: 6
Fault Frequency: 1
Mileage: 116853 km
Date: 2014.10.01
Time: 16:54:49


Readiness: 1110 1101


---

Sunday,05,October,2014,16:06:39:05402
VCDS Release 12.12.3 (x64): Generic OBD2
Mode 03: Emission related fault codes

Address 7E8: 3 Faults Found:
P025C - Fuel Pump Control Module: Short to Ground
P025A - Fuel Pump Control Module: Electrical Fault
P008A - Low Pressure Fuel System: Pressure too Low

Address 7E9: No fault code found.

---

Tuesday,07,October,2014,15:49:56:05402
VCDS -- Windows Based VAG/VAS Emulator
VCDS Version: 12.12.3.0 (x64)
Data version: 20140822


VIN: ******* License Plate:
Mileage: 72607 Repair Order:



--------------------------------------------------------------------------------
--------------------------------------------------------------------------------


Chassis Type: FD (4H0)
Scan: 01 02 03 05 06 08 09 0E 10 13 15 16 17 19 28 34 36 3B 3C 42
46 47 48 52 53 56 5B 5F 62 6C 6D 6F 72 81 85 88 89 8A 8B 8D
8E 8F 90

VIN: *******

01-Engine -- Status: Malfunction 0010
02-Auto Trans -- Status: OK 0000
03-ABS Brakes -- Status: Malfunction 0010
04-Steering Angle -- Status: OK 0000
05-Acc/Start Auth. -- Status: Malfunction 0010
06-Seat Mem. Pass -- Status: OK 0000
08-Auto HVAC -- Status: Malfunction 0010
09-Cent. Elect. -- Status: OK 0000
0E-Media Player 1 -- Status: OK 0000
10-Park/Steer Assist -- Status: Malfunction 0010
13-Auto Dist. Reg -- Status: Malfunction 0010
15-Airbags -- Status: Malfunction 0010
16-Steering wheel -- Status: Malfunction 0010
17-Instruments -- Status: OK 0000
19-CAN Gateway -- Status: Malfunction 0010
28-HVAC, Rear -- Status: OK 0000
34-Level Control -- Status: Malfunction 0010
36-Seat Mem. Drvr -- Status: OK 0000
3B-Sensor Elect. -- Status: OK 0000
3C-Lane Change -- Status: Malfunction 0010
42-Door Elect, Driver -- Status: OK 0000
46-Central Conv. -- Status: Malfunction 0010
47-Sound System -- Status: OK 0000
48-Seat, Rear, DS -- Status: OK 0000
52-Door Elect, Pass. -- Status: OK 0000
53-Parking Brake -- Status: Malfunction 0010
56-Radio -- Status: OK 0000
5B-Seat,Rear,PS -- Status: OK 0000
5F-Information Electr. -- Status: OK 0000
62-Door, Rear Left -- Status: OK 0000
6C-Back-up Cam. -- Status: OK 0000
6D-Trunk Elect. -- Status: OK 0000
6F-Centr. Conv. II -- Status: OK 0000
72-Door, Rear Right -- Status: OK 0000
81-Gear Shift -- Status: OK 0000
85-On Board Cam. -- Status: OK 0000
88-Multicont. Seat Driver -- Status: Malfunction 0010
89-Multicont. Seat Pass. -- Status: Malfunction 0010
8A-Multicont. Seat Rear,DS -- Status: Malfunction 0010
8B-Adaptive Cruise 2 -- Status: Malfunction 0010
8D-Multicont. Seat Rear,PS -- Status: Malfunction 0010
8E-Image Processing -- Status: OK 0000
8F-Pretens. Frt Left -- Status: OK 0000
90-Pretens. Frt Right -- Status: OK 0000

-------------------------------------------------------------------------------
Address 01: Engine (------CDRA) Labels: None
Part No SW: 4H0 907 560 C HW: 4H0 907 560
Component: 4.2l V8/4V H07 0004
Revision: N5H07---
Coding: 0106000A290F0268
Shop #: WSC 05147 444 999999
ASAM Dataset: EV_ECM42FSI0114H0907560C 001005
ROD: EV_ECM42FSI0114H0907560C.rod
VCID: 2A5B23A04DEA334EE59-807F

5 Faults Found:
14629 - Fuel Pump Control Module
P025C 00 [175] - Short to Ground
MIL ON - Confirmed - Tested Since Memory Clear
Freeze Frame:
Fault Status: 00000001
Fault Priority: 2
Fault Frequency: 2
Mileage: 116852 km
Date: 2014.10.05
Time: 16:22:34

10333 - Thermostat for Transmission
P19A2 00 [046] - Open Circuit
Intermittent - Confirmed - Tested Since Memory Clear
Freeze Frame:
Fault Status: 00000001
Fault Priority: 6
Fault Frequency: 5
Mileage: 116852 km
Date: 2014.10.05
Time: 16:28:53

10336 - Thermostat for Transmission
P19A1 00 [036] - Short to GND
Intermittent - Not Confirmed - Tested Since Memory Clear
Freeze Frame:
Fault Status: 00000001
Fault Priority: 6
Fault Frequency: 4
Mileage: 116852 km
Date: 2014.10.07
Time: 11:16:28

4663 - Relay for Aux Coolant Pump (J496)
P1926 00 [108] - Short to Ground
Intermittent - Confirmed - Tested Since Memory Clear
Freeze Frame:
Fault Status: 00000001
Fault Priority: 2
Fault Frequency: 2
Mileage: 116852 km
Date: 2014.10.05
Time: 16:28:56

5641 - Low Pressure Fuel System
P008A 00 [101] - Pressure too Low
Not Confirmed - Tested Since Memory Clear
Freeze Frame:
Fault Status: 00000001
Fault Priority: 2
Fault Frequency: 6
Mileage: 116852 km
Date: 2014.10.07
Time: 11:17:10

Readiness: 1110 0101

-------------------------------------------------------------------------------
Address 02: Auto Trans (J217) Labels: 0BK-927-156.clb
Part No SW: 4H1 927 158 AD HW: 0BK 927 156 K
Component: 0BK 42 FSIUSA H08 1006
Revision: --H08---
Coding: 000002
Shop #: WSC 05147 444 999999
ASAM Dataset: EV_TCMALX51011 002018
ROD: EV_TCMALX51011_AU64.rod
VCID: 72EBFBC0A5BA3B8E9D9-8027

No fault code found.

-------------------------------------------------------------------------------
Address 03: ABS Brakes (J104) Labels: 4H0-907-379.clb
Part No SW: 4H0 907 379 C HW: 4H0 907 379 C
Component: ESP PREMIUM H10 0273
Revision: -------- Serial number: --------------
Coding: 44E6F20022674F00E200
Shop #: WSC 02311 785 00200
ASAM Dataset: EV_ESPPremi 005006
ROD: EV_ESPPremi_AU64.rod
VCID: 326B3BC0653A7B8E5D9-8067

2 Faults Found:
0172 - Function Restriction due to Faults in Other Modules
U1113 00 [136] - -
MIL ON - Intermittent - Confirmed - Tested Since Memory Clear
Freeze Frame:
Fault Status: 00000001
Fault Priority: 6
Fault Frequency: 4
Reset counter: 85
Mileage: 116263 km
Date: 2014.09.27
Time: 19:10:49

0462 - Supply voltage
U1011 00 [136] - Voltage too Low
MIL ON - Intermittent - Confirmed - Tested Since Memory Clear
Freeze Frame:
Fault Status: 00000001
Fault Priority: 2
Fault Frequency: 1
Reset counter: 96
Mileage: 116853 km
Date: 2014.10.05
Time: 02:47:53


-------------------------------------------------------------------------------
Address 05: Acc/Start Auth. (J393) Labels: 8K0-907-064-05.clb
Part No SW: 4H0 907 064 DD HW: 4H0 907 064 AD
Component: BCM2 2.0 H24 0510
Revision: 00002001
Coding: 0D872000000000000000
Shop #: WSC 52172 000 1048576
VCID: 6ED3EFB0B9821F6E791-803B

Subsystem 2 - Part No SW: 4H0 905 852 B HW: 4H0 905 852 B
Component: J764 ELV MLB H38 0044

2 Faults Found:
02823 - Requirements for Locking the Steering Column Lock not met
000 - - - Intermittent
Freeze Frame:
Fault Status: 00100000
Fault Priority: 5
Fault Frequency: 1
Reset counter: 96
Mileage: 116853 km
Time Indication: 0
Date: 2014.10.02
Time: 10:42:19

02812 - Supply Voltage (Terminal 30) for Electronic Steering Column Lock
002 - Lower Limit Exceeded - Intermittent
Freeze Frame:
Fault Status: 00100010
Fault Priority: 5
Fault Frequency: 1
Reset counter: 96
Mileage: 116853 km
Time Indication: 0
Date: 2014.10.05
Time: 02:48:02


-------------------------------------------------------------------------------
Address 06: Seat Mem. Pass (J521) Labels: None
Part No SW: 4H0 959 760 E HW: 4H0 959 760 E
Component: MEM-BFS H08 0153
Revision: AA000000 Serial number: 00001002365774
Coding: C018B60085043201010001010101112131313333283333
Shop #: WSC 02313 785 00200
VCID: 356100DC9C546CB678B-8060

No fault code found.

-------------------------------------------------------------------------------
Address 08: Auto HVAC (J255) Labels: Redir Fail!
Part No SW: 4H0 820 043 E HW: 4H0 820 043 E
Component: Klima 4 Zonen H14 0063
Coding: 480122BE8C
Shop #: WSC 02313 785 00200
ASAM Dataset: EV_AirCondiFront 001050
ROD: EV_AirCondiFront_AU64.rod
VCID: 224BCB8035DAEB0EAD9-8077

3 Faults Found:
0137 - Motor for Right Side Window Defrost Flap
B10D8 22 [009] - Signal Amplitude Too High
Confirmed - Tested Since Memory Clear
Freeze Frame:
Fault Status: 00000001
Fault Priority: 3
Fault Frequency: 56
Reset counter: 56
Mileage: 115768 km
Date: 2014.09.25
Time: 05:15:06

0378 - Coolant Circulation Pump
B10D0 04 [009] - Internal System Fault
Confirmed - Tested Since Memory Clear
Freeze Frame:
Fault Status: 00000001
Fault Priority: 3
Fault Frequency: 5
Reset counter: 96
Mileage: 115768 km
Date: 2014.09.25
Time: 08:31:37

0386 - Functional Limitation due to Energy Management
B10CD 00 [008] - -
Intermittent - Confirmed - Tested Since Memory Clear
Freeze Frame:
Fault Status: 00000001
Fault Priority: 7
Fault Frequency: 3
Reset counter: 96
Mileage: 116853 km
Date: 2014.10.01
Time: 17:37:23


-------------------------------------------------------------------------------
Address 09: Cent. Elect. (J519) Labels: 4H0-907-063.clb
Part No SW: 4H0 907 063 G HW: 4H0 907 063
Component: BCM1 2.0 H12 0092
Revision: 11012002 Serial number: 00000000983017
Coding: 09072011073C9FE18B000004A0003800009CD3088200012180 01085C3B00
Shop #: WSC 02313 785 00200
VCID: 2C5725B84F1E2D7E175-8079

Subsystem 1 - Part No SW: 4H1 955 119 C HW: 4H1 955 119 A Labels: 1KX-955-119.CLB
Component: WWS641 110225 H32 0040
Coding: 0045F7

Subsystem 2 - Part No SW: 8K0 955 559 C HW: 8K0 955 559 C Labels: 8K0-955-559.CLB
Component: RLS H04 0003
Coding: 025523

Subsystem 3 - Part No SW: 4H0 941 531 B HW: 4H0 941 531 B
Component: E1 - LDS H07 0044

Subsystem 4 - Part No SW: 4H0 907 410 A HW: 4H0 907 410 A
Component: USHL4.2 H30 0020

Subsystem 5 - Part No SW: 4H0 907 472 B HW: 4H0 907 472 B
Component: A31 LED Mod1L H03 0006
Coding: 100000

Subsystem 6 - Part No SW: 4H0 907 472 B HW: 4H0 907 472 B
Component: A27 LED Mod1R H03 0006
Coding: 100000

Subsystem 7 - Part No SW: 4H0 907 705 J HW: 4H0 907 705 C
Component: EVLS-SG H08 0280
Coding: 020300

Subsystem 8 - Part No SW: 4H0 907 658 HW: 4H0 907 658
Component: AQ_Hum_Sensor H02 0002

No fault code found.

-------------------------------------------------------------------------------
Address 0E: Media Player 1 (R161) Labels: None
Part No SW: 4H0 035 108 D HW: 4H0 035 108
Component: DVDCAlpine H42 0180
Revision: AA001001
Coding: 010000
Shop #: WSC 02311 785 00200
VCID: 2149C48C38DCF016B43-8074

No fault code found.

-------------------------------------------------------------------------------
Address 10: Park/Steer Assist (J446) Labels: 4H0-919-475-7X2.clb
Part No SW: 4H0 919 475 H HW: 4H0 919 475 C
Component: PARKHILFE ACC H07 0030
Revision: 11001001 Serial number: 55901104900042
Coding: 300902
Shop #: WSC 02311 785 00200
ASAM Dataset: EV_EPHVA18AU57X0000 001002
ROD: EV_EPHVA18AU57X0000.rod
VCID: 377D0AD48E589EA66A7-8062

1 Fault Found:
13893632 - Function Restricted due to Insufficient Voltage
U1400 00 [008] - -
Intermittent - Confirmed - Tested Since Memory Clear
Freeze Frame:
Fault Status: 00000001
Fault Priority: 6
Fault Frequency: 1
Reset counter: 96
Mileage: 116853 km
Date: 2014.10.05
Time: 02:47:45


-------------------------------------------------------------------------------
Address 13: Auto Dist. Reg (J428) Labels: 4H0-907-561.clb
Part No SW: 4H0 907 561 A HW: 4H0 907 561
Component: ACC3 H15 0160
Serial number: 00000000000000
Coding: 3601020201
Shop #: WSC 02313 785 00200
ASAM Dataset: EV_AdaptCruisContrAU64X 001012
ROD: EV_AdaptCruisContrAU64X.rod
VCID: 2959DCAC48EC3856EC3-807C

5 Faults Found:
16384 - Function Restricted due to Insufficient Voltage
U1400 00 [008] - -
Intermittent - Confirmed - Tested Since Memory Clear
Freeze Frame:
Fault Status: 00000001
Fault Priority: 6
Fault Frequency: 1
Reset counter: 96
Mileage: 116853 km
Date: 2014.10.05
Time: 02:48:00

16640 - Function Restricted due to Insufficient Voltage
U1400 00 [008] - -
Intermittent - Confirmed - Tested Since Memory Clear
Freeze Frame:
Fault Status: 00000001
Fault Priority: 6
Fault Frequency: 1
Reset counter: 96
Mileage: 116853 km
Date: 2014.10.05
Time: 02:48:00

105472 - Function Restriction due to Faults in Other Modules
U1113 00 [008] - -
Intermittent - Confirmed - Tested Since Memory Clear
Freeze Frame:
Fault Status: 00000001
Fault Priority: 6
Fault Frequency: 1
Reset counter: 96
Mileage: 116263 km
Date: 2014.09.27
Time: 19:10:49

140288 - Function Restriction due to Faults in Other Modules
U1113 00 [008] - -
Intermittent - Confirmed - Tested Since Memory Clear
Freeze Frame:
Fault Status: 00000001
Fault Priority: 6
Fault Frequency: 1
Reset counter: 96
Mileage: 116519 km
Date: 2014.09.28
Time: 13:33:58

145152 - Function Restriction due to Faults in Other Modules
U1113 00 [008] - -
Intermittent - Confirmed - Tested Since Memory Clear
Freeze Frame:
Fault Status: 00000001
Fault Priority: 6
Fault Frequency: 1
Reset counter: 96
Mileage: 116853 km
Date: 2014.10.05
Time: 02:53:25


-------------------------------------------------------------------------------
Address 15: Airbags (J234) Labels: 4H0-959-655.clb
Part No SW: 4H0 959 655 D HW: 4H0 959 655 D
Component: Airbag10.43 H41 0041
Revision: -------- Serial number: 003JS0012T51
Coding: 303143303230303030314A55304C34483053
Shop #: WSC 02311 785 00200
ASAM Dataset: EV_AirbaAU10BPAAU64X 001014
ROD: EV_AirbaAU10BPAAU64X_AU57.rod
VCID: 377D0AD48E589EA66A7-8062

Seat occupied recognition:
Subsystem 1 - Part No SW: 4H0 959 339 HW: 4H0 959 339
Component: BF-Gewichtss. H02 0040
Serial number: 5850000R1120901CB3
Coding: 000000

Crash sensor for side airbag; driver side:
Serial number: 3575HRB40590AILACOK-

Crash sensor for side airbag; passenger side:
Serial number: 3585HRB40570AILA4GBA

Crash sensor for side airbag; rear driver side:
Serial number: 3515JRB406509GGSBHHS

Crash sensor for side airbag; rear passenger side:
Serial number: 3525JRB406709GGS118$

Crash sensor for front airbag; driver side:
Serial number: 3554VRB404T0G2I24GGP

Crash sensor for front airbag; passenger side:
Serial number: 3564VRB404V0G2I2AGEW

1 Fault Found:
9483264 - Seat Occupied Recognition
B10B4 00 [008] - Function Restriction due to Undervoltage
Intermittent - Confirmed - Tested Since Memory Clear
Freeze Frame:
Fault Status: 00000001
Fault Priority: 2
Fault Frequency: 1
Reset counter: 96
Mileage: 116853 km
Date: 2014.10.05
Time: 02:48:01


-------------------------------------------------------------------------------
Address 16: Steering wheel (J527) Labels: None
Part No SW: 4H0 953 568 A HW: 4H0 953 568 A
Component: Lenks.Modul H08 0007
Revision: -------- Serial number: 90815KBS00009
Coding: 0000BC
Shop #: WSC 02311 785 00200
VCID: 316934CC683C4096243-8064

Subsystem 1 - Part No SW: 4H0 951 528 L HW: 4H0 951 528 L
Component: E221 - MFL H04 0009

1 Fault Found:
00446 - Function Limitation due to Under-Voltage
002 - Lower Limit Exceeded - Intermittent
Freeze Frame:
Fault Status: 00100010
Fault Priority: 6
Fault Frequency: 1
Reset counter: 96
Mileage: 116853 km
Time Indication: 0
Date: 2014.10.05
Time: 02:47:47


-------------------------------------------------------------------------------
Address 17: Instruments (J285) Labels: 4H0-920-xxx-17.clb
Part No SW: 4H0 920 980 C HW: 4H0 920 980
Component: TBenUSAACC--- H30 0309
Revision: 31110016 Serial number: 658030311592035
Coding: 034708015700D705020000
Shop #: WSC 02311 785 00200
ASAM Dataset: EV_RBD4K 004033
ROD: EV_RBD4K.rod
VCID: 2B5526A442102A461EF-807E

Analog_clock:
Subsystem 1 - Part No SW: 4H0 919 204 G HW: 4H0 919 204 G
Component: Analoguhr D4 H05 0224
Serial number: 1110304000294

No fault code found.

-------------------------------------------------------------------------------
Address 19: CAN Gateway (J533) Labels: None
Part No SW: 4H0 907 468 E HW: 4H0 907 468 C
Component: J533--Gateway H08 0204
Revision: -------- Serial number: 00000000111675
Coding: 00C1034A00
Shop #: WSC 02313 785 00200
ASAM Dataset: EV_GatewUDS 001025
ROD: EV_GatewUDS_AU57.rod
VCID: 33653EC49A20728656F-8066

Battery Monitoring Control Module:
Subsystem 1 - Part No SW: 4H0 915 181 HW: 4H0 915 181
Component: J367-BDM H07 0140
Serial number: 00000000005650730822

1 Fault Found:
12291 - Energy Management Active
U140B 00 [008] - -
Intermittent - Confirmed - Tested Since Memory Clear
Freeze Frame:
Fault Status: 00000001
Fault Priority: 7
Fault Frequency: 16
Reset counter: 96
Mileage: 116853 km
Date: 2014.10.01
Time: 17:32:09


-------------------------------------------------------------------------------
Address 28: HVAC, Rear (E265) Labels: None
Part No SW: 4H0 919 158 D HW: 4H0 919 158 D
Component: Klima Fond H14 0062
Coding: 0000000000
Shop #: WSC 02313 785 00200
ASAM Dataset: EV_AirCondiHeck 001039
ROD: EV_AirCondiHeck_AU64.rod
VCID: 316934CC603C4096243-8064

No fault code found.

-------------------------------------------------------------------------------
Address 34: Level Control (J197) Labels: Redir Fail!
Part No SW: 4H0 907 553 C HW: 4H0 907 553
Component: LUFE-DAEMPFER H17 0096
Coding: 008002
Shop #: WSC 02311 785 00200
ASAM Dataset: EV_AirSuspe 003022
ROD: EV_AirSuspe_AU64.rod
VCID: 2C5725B8471E2D7E175-8079

1 Fault Found:
0648 - Function Restriction due to Implausible Message(s)
U1112 00 [008] - -
Intermittent - Confirmed - Tested Since Memory Clear
Freeze Frame:
Fault Status: 00000001
Fault Priority: 6
Fault Frequency: 1
Reset counter: 85
Mileage: 116263 km
Date: 2014.09.27
Time: 19:10:49


-------------------------------------------------------------------------------
Address 36: Seat Mem. Drvr (J136) Labels: None
Part No SW: 4H0 959 760 E HW: 4H0 959 760 E
Component: MEM-FS H08 0153
Revision: AA000000 Serial number: 00001002365772
Coding: C018BF8085853201030001010101112131313333203333
Shop #: WSC 02313 785 00200
VCID: 356100DC9C546CB678B-8060

No fault code found.

-------------------------------------------------------------------------------
Address 3B: Sensor Elect. (J849) Labels: None
Part No SW: 4H0 907 637 HW: 4H0 907 637
Component: SARA 6D H02 0015
Revision: -------- Serial number: EJ1BPA3100EHH30
Shop #: WSC 00000 000 00000
ASAM Dataset: EV_SARA 006014
ROD: EV_SARA.rod
VCID: ECD765B8079E6D7ED75-80B9

No fault code found.

-------------------------------------------------------------------------------
Address 3C: Lane Change Labels: None
Part No SW: 4H0 907 566 HW: 4H0 907 566
Component: J769 SWA MasterH02 0100
Revision: 00H02000 Serial number: 6PZ 010 287-00
Coding: 0000002
Shop #: WSC 02313 785 00200
VCID: EDD168BCF4846476C0B-80B8

Subsystem 1 - Part No: 4H0 907 568
Component: J770 SWA Slave H01 0100

Subsystem 2 - Serial number: 6PZ 010 287-20

Subsystem 3 - Serial number: 5F12.03.1100H010003CH10731ÿ

Subsystem 4 - Serial number: H10731ÿ

2 Faults Found:
00446 - Function Limitation due to Under-Voltage
002 - Lower Limit Exceeded - Intermittent
Freeze Frame:
Fault Status: 00100010
Fault Priority: 6
Fault Frequency: 1
Reset counter: 96
Mileage: 116853 km
Time Indication: 0
Date: 2014.10.05
Time: 02:47:45

02857 - Supply Voltage for Lane Change Assistance Control Module 2
002 - Lower Limit Exceeded - Intermittent
Freeze Frame:
Fault Status: 00100010
Fault Priority: 6
Fault Frequency: 1
Reset counter: 96
Mileage: 116853 km
Time Indication: 0
Date: 2014.10.05
Time: 02:47:45


-------------------------------------------------------------------------------
Address 42: Door Elect, Driver (J386) Labels: None
Part No SW: 4H0 959 793 E HW: 4H0 959 793 E
Component: TSG FA H02 0162
Revision: -------- Serial number: 0000113457877
Coding: 011F1F205E0062C202000007
Shop #: WSC 02312 785 00200
VCID: 3B7516E4BA70BAC68EF-806E

No fault code found.

-------------------------------------------------------------------------------
Address 46: Central Conv. (J393) Labels: 4H0-907-064-46.clb
Part No SW: 4H0 907 064 DD HW: 4H0 907 064 AD
Component: BCM2 2.0 H24 0510
Revision: 00002001 Serial number: 0145120785
Coding: 0106063A00FA759FB3B0C78006010000000000000000000000 0000000000
Shop #: WSC 02313 785 00200
VCID: 6ED3EFB0B9821F6E791-803B

Subsystem 1 - Part No SW: 4H0 959 719 HW: 4H0 959 719
Component: GTO BF H01 0070

Subsystem 2 - Part No: 1K0 951 605 C
Component: LIN BACKUP HO H05 1501

Subsystem 3 - Part No SW: 4H4 959 591 HW: 4H4 959 591
Component: J245 000C H05 0004
Coding: 020200

Subsystem 4 - Part No SW: 4H0 947 135 BR HW: 4H0 947 135 BR
Component: Dachelektroni H11 0080
Coding: 070000

Subsystem 5 - Part No SW: 4H4 959 591 HW: 4H4 959 591
Component: J394 0060 H05 0004
Coding: 020200

Subsystem 6 - Part No SW: 4H4 959 591 HW: 4H4 959 591
Component: J392 007A H05 0004
Coding: 020200

Subsystem 7 - Part No SW: 4H4 959 591 HW: 4H4 959 591
Component: J867 00F0 H05 0004
Coding: 020200

2 Faults Found:
02615 - Fuel Tank Cap; Lock
009 - Open or Short to Ground
Freeze Frame:
Fault Status: 01101001
Fault Priority: 2
Fault Frequency: 2
Reset counter: 54
Mileage: 115768 km
Time Indication: 0
Date: 2014.09.25
Time: 05:21:04

02616 - Fuel Tank Cap; Unlock
009 - Open or Short to Ground
Freeze Frame:
Fault Status: 01101001
Fault Priority: 2
Fault Frequency: 2
Reset counter: 54
Mileage: 115768 km
Time Indication: 0
Date: 2014.09.25
Time: 05:31:00


-------------------------------------------------------------------------------
Address 47: Sound System (J525) Labels: None
Part No SW: 4G0 035 223 A HW: 4G0 035 223 A
Component: BOSE G3 C7 H07 0070
Revision: CJ007000 Serial number: 00000000021494
VCID: 1B35F6641AB0DAC66EF-804E

No fault code found.

-------------------------------------------------------------------------------
Address 48: Seat, Rear, DS (J876) Labels: None
Part No SW: 4H0 959 860 HW: 4H0 959 860
Component: MEM-FS-Fond H06 0153
Revision: AA000000 Serial number: 00001002369260
Coding: 001892800000300D0A00392038193A2039203B3B202020
Shop #: WSC 02313 785 00200
VCID: F1E974CC28BC8096E43-80A4

No fault code found.

-------------------------------------------------------------------------------
Address 52: Door Elect, Pass. (J387) Labels: None
Part No SW: 4H0 959 792 E HW: 4H0 959 792 E
Component: TSG BF H02 0162
Revision: -------- Serial number: 0000113888375
Coding: 011F1F205E0062C202000007
Shop #: WSC 02312 785 00200
VCID: 3A7B13E0B54A83CE959-806F

No fault code found.

-------------------------------------------------------------------------------
Address 53: Parking Brake (----) Labels: 4H0-907-801.clb
Part No SW: 4H0 907 801 E HW: 4H0 907 801 A
Component: EPB-4 H03 0012
Revision: -------- Serial number: 00000000049546
ASAM Dataset: EV_ParkiBrake 001022
ROD: EV_ParkiBrake_AU48.rod
VCID: 2A5B23A04DEA334EE59-807F

1 Fault Found:
464384 - Function Restriction due to Faults in Other Modules
U1113 00 [008] - -
Intermittent - Confirmed - Tested Since Memory Clear
Freeze Frame:
Fault Status: 00000001
Fault Priority: 6
Fault Frequency: 1
Reset counter: 85
Mileage: 116263 km
Date: 2014.09.27
Time: 19:10:49


-------------------------------------------------------------------------------
Address 56: Radio (R) Labels: None
Part No SW: 4H0 035 082 A HW: 4H0 035 082
Component: Radio U SIRIU H51 0068
Revision: AB001007 Serial number: 155CT0B7501456
Coding: 020007010000000001
Shop #: WSC 02311 785 00200
VCID: 1F4DC2740EA8C6E6827-804A

No fault code found.

-------------------------------------------------------------------------------
Address 5B: Seat,Rear,PS (J877) Labels: None
Part No SW: 4H0 959 860 HW: 4H0 959 860
Component: MEM-BFS-Fond H06 0153
Revision: AA000000 Serial number: 00001002369245
Coding: 001896800000300D0A00392038193A2039203B3B382020
Shop #: WSC 02313 785 00200
VCID: F1E974CC28BC8096E43-80A4

No fault code found.

-------------------------------------------------------------------------------
Address 5F: Information Electr. (J794) Labels: 4E0-035-6xx-5F.clb
Part No SW: 4H0 035 664 B HW: 4H0 035 664
Component: H-BN-NA H48 0294
Revision: -------- Serial number: 098CS0B7502241
Coding: 020200000001F9EF7D128B0E00000003F400010000000000
Shop #: WSC 02313 785 00200
VCID: 2643D79051F2172EC11-8073

Subsystem 1 - Part No: 8R0 060 884 AC
Component: NAR 2011 0503

Subsystem 2 - Part No SW: 4H0 919 604 C HW: 4H0 919 604 C
Component: DU8 D4 SV NB H46 0021

Subsystem 3 - Part No SW: 4H1 919 600 D HW: 4H1 919 600
Component: E380 BDT D4 H09 0063

Subsystem 4 - Part No: 8R0 060 961 A
Component: CD-Database 2712

No fault code found.

-------------------------------------------------------------------------------
Address 62: Door, Rear Left (J388) Labels: None
Part No SW: 4H0 959 795 A HW: 4H0 959 795 A
Component: TSG HL H04 0162
Revision: -------- Serial number: 0000113763499
Coding: 010F1F20420062C202000007
Shop #: WSC 02312 785 00200
VCID: 39790CECB04C88D69C3-806C

No fault code found.

-------------------------------------------------------------------------------
Address 6C: Back-up Cam. Labels: 4H0-907-441.clb
Part No SW: 4H0 907 441 HW: 4H0 907 441
Component: SG Rueckfahrkamera 0030
Revision: --H04--- Serial number: 525 PA8J12D12K
Coding: 1020003
Shop #: WSC 02391 785 00200
VCID: E5C1109C2C745C3688B-80B0

No fault code found.

-------------------------------------------------------------------------------
Address 6D: Trunk Elect. (----) Labels: None
Part No SW: 4H0 959 107 P HW: 4H0 959 107 M
Component: HDSG-Modul H11 0036
Revision: 10011001 Serial number: 057100217
Coding: 0210044100
Shop #: WSC 02311 785 00200
ASAM Dataset: EV_DeckLidContrUnit 001025
ROD: EV_DeckLidContrUnit.rod
VCID: 3B7516E4B270BAC68EF-806E

No fault code found.

-------------------------------------------------------------------------------
Address 6F: Centr. Conv. II (J773) Labels: None
Part No SW: 4H0 907 412 HW: 4H0 907 412
Component: ALM H05 0004
Revision: -------- Serial number: 000000026286
Coding: 000000
Shop #: WSC 02311 785 00200
ASAM Dataset: EV_Ambie 001008
ROD: EV_Ambie.rod
VCID: E3C50E84EA40220666F-80B6

No fault code found.

-------------------------------------------------------------------------------
Address 72: Door, Rear Right (J389) Labels: None
Part No SW: 4H0 959 795 A HW: 4H0 959 795 A
Component: TSG HR H04 0162
Revision: -------- Serial number: 0000113764406
Coding: 010F1F20420062C202000007
Shop #: WSC 02312 785 00200
VCID: 39790CECB04C88D69C3-806C

No fault code found.

-------------------------------------------------------------------------------
Address 81: Gear Shift (J587) Labels: None
Part No SW: 4H1 927 731 A HW: 4H1 927 731 A
Component: GSM-LL H05 0081
Revision: 0L0D5012 Serial number: SN110201 0371
ASAM Dataset: EV_GSM2x3Mono 001014
ROD: EV_GSM2x3Mono.rod
VCID: 2B5526A442102A461EF-807E

No fault code found.

-------------------------------------------------------------------------------
Address 85: On Board Cam. (J852) Labels: None
Part No SW: 4G0 907 217 HW: 4H0 907 217 A
Component: DPC-SG H24 0034
Revision: -------- Serial number: 262130025421000
Coding: E9060000
Shop #: WSC 02313 785 00200
ASAM Dataset: EV_OnBoardCamerDPC 001007
ROD: EV_OnBoardCamerDPC.rod
VCID: E5C1109CE4745C3688B-80B0

No fault code found.

-------------------------------------------------------------------------------
Address 88: Multicont. Seat Driver (J873) Labels: None
Part No SW: 4H0 907 182 H HW: 4H0 907 182 H
Component: IVB H07 0042
Serial number: 00000105023102
Coding: 764FF2
Shop #: WSC 02313 785 00200
ASAM Dataset: EV_IVBDriveSideFrnt 001003
ROD: EV_IVBDriveSideFrnt.rod
VCID: 2F6D32B476085666327-807A

1 Fault Found:
0004 - Function Restricted due to Insufficient Voltage
U1400 00 [008] - -
Intermittent - Confirmed - Tested Since Memory Clear
Freeze Frame:
Fault Status: 00000001
Fault Priority: 6
Fault Frequency: 3
Reset counter: 96
Mileage: 116853 km
Date: 2014.10.05
Time: 02:46:31


-------------------------------------------------------------------------------
Address 89: Multicont. Seat Pass. (J872) Labels: None
Part No SW: 4H0 907 182 H HW: 4H0 907 182 H
Component: IVB H07 0042
Serial number: 00000105015902
Coding: 364FF2
Shop #: WSC 02313 785 00200
ASAM Dataset: EV_IVBPasseSideFrnt 001003
ROD: EV_IVBDriveSideFrnt.rod
VCID: 2F6D32B476085666327-807A

1 Fault Found:
0004 - Function Restricted due to Insufficient Voltage
U1400 00 [008] - -
Intermittent - Confirmed - Tested Since Memory Clear
Freeze Frame:
Fault Status: 00000001
Fault Priority: 6
Fault Frequency: 3
Reset counter: 96
Mileage: 116853 km
Date: 2014.10.05
Time: 02:46:31


-------------------------------------------------------------------------------
Address 8A: Multicont. Seat Rear,DS (J875) Labels: None
Part No SW: 4H0 907 182 G HW: 4H0 907 182 G
Component: IVB H08 0042
Serial number: 00000172019701
Coding: 200F00
Shop #: WSC 02313 785 00200
ASAM Dataset: EV_IVBDriveSideRear 001003
ROD: EV_IVBDriveSideFrnt.rod
VCID: 2E532FB071025F6E391-807B

1 Fault Found:
0004 - Function Restricted due to Insufficient Voltage
U1400 00 [008] - -
Intermittent - Confirmed - Tested Since Memory Clear
Freeze Frame:
Fault Status: 00000001
Fault Priority: 6
Fault Frequency: 4
Reset counter: 96
Mileage: 116853 km
Date: 2014.10.05
Time: 02:46:20


-------------------------------------------------------------------------------
Address 8B: Adaptive Cruise 2 (J428) Labels: 4H0-907-561.clb
Part No SW: 4H0 907 541 A HW: 4H0 907 541
Component: ACC3 H15 0160
Serial number: 00000000000000
Coding: 3601020201
Shop #: WSC 02313 785 00200
ASAM Dataset: EV_AdaptCruisContr2AU64X 001010
ROD: EV_AdaptCruisContr2AU57X.rod
VCID: 275DDA945EF80E26FA7-8072

5 Faults Found:
16384 - Function Restricted due to Insufficient Voltage
U1400 00 [008] - -
Intermittent - Confirmed - Tested Since Memory Clear
Freeze Frame:
Fault Status: 00000001
Fault Priority: 6
Fault Frequency: 1
Reset counter: 96
Mileage: 116853 km
Date: 2014.10.05
Time: 02:48:00

16640 - Function Restricted due to Insufficient Voltage
U1400 00 [008] - -
Intermittent - Confirmed - Tested Since Memory Clear
Freeze Frame:
Fault Status: 00000001
Fault Priority: 6
Fault Frequency: 1
Reset counter: 96
Mileage: 116853 km
Date: 2014.10.05
Time: 02:48:00

105472 - Function Restriction due to Faults in Other Modules
U1113 00 [008] - -
Intermittent - Confirmed - Tested Since Memory Clear
Freeze Frame:
Fault Status: 00000001
Fault Priority: 6
Fault Frequency: 1
Reset counter: 96
Mileage: 116263 km
Date: 2014.09.27
Time: 19:10:49

140288 - Function Restriction due to Faults in Other Modules
U1113 00 [008] - -
Intermittent - Confirmed - Tested Since Memory Clear
Freeze Frame:
Fault Status: 00000001
Fault Priority: 6
Fault Frequency: 1
Reset counter: 96
Mileage: 116519 km
Date: 2014.09.28
Time: 13:33:58

145152 - Function Restriction due to Faults in Other Modules
U1113 00 [008] - -
Intermittent - Confirmed - Tested Since Memory Clear
Freeze Frame:
Fault Status: 00000001
Fault Priority: 6
Fault Frequency: 1
Reset counter: 96
Mileage: 116853 km
Date: 2014.10.05
Time: 02:53:25


-------------------------------------------------------------------------------
Address 8D: Multicont. Seat Rear,PS (J874) Labels: None
Part No SW: 4H0 907 182 G HW: 4H0 907 182 G
Component: IVB H08 0042
Serial number: 00000172022802
Coding: 200F00
Shop #: WSC 02313 785 00200
ASAM Dataset: EV_IVBPasseSideRear 001003
ROD: EV_IVBDriveSideFrnt.rod
VCID: 2E532FB071025F6E391-807B

1 Fault Found:
0004 - Function Restricted due to Insufficient Voltage
U1400 00 [008] - -
Intermittent - Confirmed - Tested Since Memory Clear
Freeze Frame:
Fault Status: 00000001
Fault Priority: 6
Fault Frequency: 3
Reset counter: 96
Mileage: 116853 km
Date: 2014.10.05
Time: 02:46:31


-------------------------------------------------------------------------------
Address 8E: Image Processing (J851) Labels: 4G0-907-107.clb
Part No SW: 4G0 907 107 B HW: 4H0 907 107
Component: BV-SG H28 0034
Serial number: 000040180203117
Coding: 02A19A000111
Shop #: WSC 02311 785 00200
ASAM Dataset: EV_BC7 001001
ROD: EV_BC7.rod
VCID: 2541D09C24F41C36C8B-8070

No fault code found.

-------------------------------------------------------------------------------
Address 8F: Pretens. Frt Left (J854) Labels: 4H0-980-94x-RGS.clb
Part No SW: 4H0 980 945 HW: 4H0 980 945
Component: RGS-VL H05 0070
Coding: 0066F609031F007E070308014240C2010000
Shop #: WSC 02311 785 00200
ASAM Dataset: EV_RGS_L 002004
ROD: EV_RGS_L.rod
VCID: EFED72B436889666F27-80BA

No fault code found.

-------------------------------------------------------------------------------
Address 90: Pretens. Frt Right (J855) Labels: 4H0-980-94x-RGS.clb
Part No SW: 4H0 980 946 HW: 4H0 980 946
Component: RGS-VR H05 0070
Coding: 0066F609031F007E070308014240C2010000
Shop #: WSC 02311 785 00200
ASAM Dataset: EV_RGS_R 002004
ROD: EV_RGS_R.rod
VCID: F0EF71C82BB6899EEBD-80A5

No fault code found.

End ---------------------------------------------------------------------
Old 10-07-2014, 12:30 PM
  #4  
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When I went to the car to read the codes I started the car and it idled fine and I even was able to rev it up to 2-3 k with no problems but I was too scared to drive it anywhere in case it would stall. But the EPC and Check Engine light were still on.. Hmm...

The function restriction/ low voltage errors were due to the battery dying when I kept trying to crank the car. I took the battery out of the car and charged it for a couple hours and now everything is fine. The "Motor for Right Side Window Defrost Flap" and Coolant Circulation Pump errors I have had for awhile and aren't the problem.
Old 10-07-2014, 12:35 PM
  #5  
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Wowza... there's a lot going on in that scan....

The first codes I see chronologically are for the fuel tank cap and the coolant pump.
Later the coolant relay shows short to ground.

That's where I'd start since the short may be cascading to other systems.
The low voltage is also very concerning as it can wreak havoc with the modules and throw tons of DTCs...

Edit: If you'd like a more expert opinion you may want to post the scan in the Ross-Tech forum - link in my signature.

Code:
0378 - Coolant Circulation Pump 
B10D0 04 [009] - Internal System Fault
Confirmed - Tested Since Memory Clear
Freeze Frame:
Fault Status: 00000001
Fault Priority: 3
Fault Frequency: 5
Reset counter: 96
Mileage: 115768 km
Date: 2014.09.25
Time: 08:31:37

02615 - Fuel Tank Cap; Lock 
009 - Open or Short to Ground
Freeze Frame:
Fault Status: 01101001
Fault Priority: 2
Fault Frequency: 2
Reset counter: 54
Mileage: 115768 km
Time Indication: 0
Date: 2014.09.25
Time: 05:21:04

02616 - Fuel Tank Cap; Unlock 
009 - Open or Short to Ground
Freeze Frame:
Fault Status: 01101001
Fault Priority: 2
Fault Frequency: 2
Reset counter: 54
Mileage: 115768 km
Time Indication: 0
Date: 2014.09.25
Time: 05:31:00

Last edited by jakematic; 10-07-2014 at 12:40 PM.
Old 10-14-2014, 06:37 AM
  #6  
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I got bad news from the dealer guys, and bad news for you Jake too as I think your earlier fears are becoming a reality. My car got diagnosed with the same issue as these threads below. The Transmission Coolant Valve (N488) normally opens up and closes based on coolant temperature to make warming up the transmission fluid a priority. An internal failure of the valve leads to coolant leaking through the electrical connector and up through the wiring harness to the ECM (Engine Control Module). The dealer suggests replacing the leaking valve, engine wiring harness, and ECM at a total of $8649.99.

https://www.audiworld.com/forums/a8-...rness-2862459/

https://www.audiworld.com/forums/a8-...n-epc-2855494/
Old 10-14-2014, 06:42 AM
  #7  
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This is also slightly similar to a problem that happens with other volkswagen vehicles except the source of the coolant leak is a sensor and not a valve. Also, my car previously had a problem with a different valve at 65,015 miles (Coolant Shut-Off Valve leak)

VWVortex.com - Coolant migration!?!? Please help!!
Old 10-14-2014, 07:13 AM
  #8  
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Originally Posted by jimmyw
The dealer suggests replacing the leaking valve, engine wiring harness, and ECM at a total of $8649.99.
Egads....
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Quick Reply: Low Fuel Pressure.. Second Opinion Anyone?



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