2020 Audi A5 Sportback - Headlight not working
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Hello
Recently the passenger side headlight on my 2020 Audi A5 Sportback has stopped working. This is the matrix LED unit with dynamic indicators. To confirm, the headlamp is completely inoperable with no indicator, dipped beam or main beam functions. I have multiple errors on the dashboard and so ran a VCDS scan which I've pasted below. So far I have checked the fuses and swapped the light control module out for a new one with no success. Could I please have some help with this? Your help is greatly appreciated. Thursday,25,April,2024,17:51:05:27416 VCDS -- Windows Based VAG/VAS Emulator Running on Windows 10 x64 VCDS Version: 23.11.0.0 (x64) HEX-V2 CB: 0.4643.4 Data version: 20231027 DS351.0 www.Ross-Tech.com Dealer/Shop Name: SalPal VIN: WAUZZZF52LA013865 License Plate: YK70ZTS Mileage: 46598km-28954mi Repair Order: -------------------------------------------------------------------------------- -------------------------------------------------------------------------------- Chassis Type: F5-AU49 (80B) Scan: 01 02 03 08 09 15 16 17 19 2B 42 44 46 52 5F 6C 6D 75 80 81 A5 AC BB BC D6 D7 DE VIN: WAUZZZF52LA013865 Mileage: 46598km-28954miles 01-Engine -- Status: OK 0000 02-Auto Trans -- Status: OK 0000 03-ABS Brakes -- Status: OK 0000 08-Auto HVAC -- Status: OK 0000 09-Cent. Elect. -- Status: Malfunction 0010 15-Airbags -- Status: OK 0000 16-Steering wheel -- Status: OK 0000 17-Instruments -- Status: OK 0000 19-CAN Gateway -- Status: Malfunction 0010 2B-Steer. Col. Lock -- Status: OK 0000 42-Door Elect, Driver -- Status: OK 0000 44-Steering Assist -- Status: Malfunction 0010 46-Central Conv. -- Status: OK 0000 52-Door Elect, Pass. -- Status: OK 0000 5F-Information Electr. -- Status: OK 0000 6C-Back-up Cam. -- Status: OK 0000 6D-Trunk Elect. -- Status: OK 0000 75-Telematics -- Status: OK 0000 80-Batt. reg. aux. accum. -- Status: OK 0000 81-Gear Shift -- Status: OK 0000 A5-Frt Sens. Drv. Assist -- Status: Malfunction 0010 AC-Reductant Control -- Status: OK 0000 BB-Door Rear Drv -- Status: OK 0000 BC-Door Rear Pass -- Status: OK 0000 D6-Light Ctrl Left 2 -- Status: Cannot be reached 0100 D7-Light Ctrl Right 2 -- Status: OK 0000 DE-Charger 1 for mobile dev -- Status: OK 0000 ------------------------------------------------------------------------------- Address 01: Engine (J623-DEZE) Labels:. 04L-907-309-V2.clb Part No SW: 05L 906 027 BH HW: 05L 907 309 Component: R4 2.0l TDI H22 9649 Revision: E1H22--- CVN: E21971B0012E7F426C5AF8886C5AF888 Coding: 0A2540322324050C34082000000000000000000000000000 Shop #: WSC 06314 790 00001 ASAM Dataset: EV_ECM20TDI01105L906027BH 005002 ROD: EV_ECM20TDI01105L906027BH.rod VCID: 73B3CEBD3B339912221-8026 VINID: 9D196AAAA58509C44004320614FB24E5DD No fault code found. Readiness: 0 0 0 0 0 ------------------------------------------------------------------------------- Address 02: Auto Trans (J217) Labels:| 0CJ-927-156.clb Part No SW: 8W2 927 155 CD HW: 0HK 927 156 B Component: 0CK 20TDI RdW H01 0002 Revision: --H01--- Serial number: 0000001123 CVN: 0A4604FB00000000 Coding: 000001 Shop #: WSC 00000 000 00000 ASAM Dataset: EV_TCMDL382021 002031 ROD: EV_TCMDL382021_AU49.rod VCID: 0557806565A797A21C5-8050 MTF pump: Subsystem 1 - Part No SW: 0CK 927 152 AA HW: 0CK 321 281 L Component: V553 MTFP 003 0576 Serial number: 75145041200036003580 No fault code found. ------------------------------------------------------------------------------- Address 03: ABS Brakes (J104) Labels: 8W0-907-379-PLU-V1.clb Part No SW: 8W0 907 379 AK HW: 8W0 907 379 J Component: ESP9 Plus H16 0837 Dataset Number: 8W2909504G 0011 CVN: 905FC114 Coding: 04AA489A14A30A9911A6489700825292F5B5D2201228508812 004A49AFAD4B Shop #: WSC 06334 790 00001 ASAM Dataset: EV_ESP9BOSCHCMP 002013 ROD: EV_ESP9BOSCHCMP_004_AU49.rod VCID: 0E45BF4930D1D4FAADF-805A No fault code found. ------------------------------------------------------------------------------- Address 08: Auto HVAC (E87) Labels:* Redir Fail! Part No SW: 8W0 820 043 T HW: 8W0 820 043 T Component: Klima Zone 3 H60 0251 Dataset Number: 8W2909862B 0019 Coding: 141900295544440D0200010008000000000000000000000000 0000000000 Shop #: WSC 06335 790 00001 ASAM Dataset: EV_AirCondiBHTCAU491 001013 ROD: EV_AirCondiBHTCAU491.rod VCID: 44D15D612E1D6EAA4BB-8010 Fresh air blower control module (front): Subsystem 1 - Part No SW: 4M2 820 021 C HW: 4M2 820 021 C Component: J126 FLuftV H09 0004 Serial number: 00000000000004677748 Humidity sensor: exterior: Subsystem 2 - Part No SW: 4H0 907 658 C HW: 4H0 907 658 C Component: G935 MuFu H04 0010 Serial number: A165083F00PAG0MUFU04 Rear air conditioning block 1: Subsystem 3 - Part No SW: 8W0 919 158 HW: 8W0 919 158 Component: E265 Kli Fond H40 0080 No fault code found. ------------------------------------------------------------------------------- Address 09: Cent. Elect. (J519) Labels:* Redir Fail! Part No SW: 8W1 907 063 G HW: 8W1 907 063 G Component: BCM1 MLBevo H10 0690 Dataset Number: 8W6909514A 0009 Coding: 07001343E13D00CD054587081BAC80E9110B31080000009401 03080020001C81084501330256050000000000000000000000 000000000000000000000000000000 Shop #: WSC 06335 790 00001 ASAM Dataset: EV_BCM1BOSCHAU651 016011 ROD: EV_BCM1BOSCHAU651_016_VW53.rod VCID: 40D951713A05728A6F3-8014 Wiper motor control module: Subsystem 1 - Part No SW: 8W6 955 119 C HW: 8W6 955 119 A Component: 494 RL 261119 036 0481 Serial number: 00000001911200310606 Coding: FFC7F7 Rain/Light Recognition Sensor: Subsystem 2 - Part No SW: 81D 955 555 HW: 81D 955 555 Component: G397_RLFSS H06 0002 Serial number: 90126737X81D95555500 Coding: 02005D Light switch: Subsystem 3 - Part No SW: 4M0 941 531 AG HW: 4M0 941 531 AG Component: E1 - LDS H06 0008 Serial number: 07 12 2019 02193099 Automatic dimming interior mirror: Subsystem 4 - Part No SW: 8W0 857 511 HW: 8W0 857 511 Component: Y7_Innenspieg H09 0002 Serial number: GX1CE125111923811319 Coding: 210000 Interior Light Module: Subsystem 5 - Part No SW: 4K0 947 135 AE HW: 4K0 947 135 AE Component: Dachmodul H42 0416 Serial number: B01583282 Coding: 0D0104 3 Faults Found: 66672 - Control Module for Light Activation/Adjustment; Left U116E 00 [00001001] - No Communications [Left LCM: no signal/communication] Confirmed - Tested Since Memory Clear Freeze Frame: Fault Priority: 4 Fault Frequency: 4 Reset counter: 138 Mileage: 46598 km Date: 2024.04.24 Time: 18:45:11 average_Voltage_terminals: 11.30 V Outside air temperature sensor-Resistance: 0.00 kOhm Outside air temperature sensor-Outside air temperature on CAN: 14.00 °C interior_temperature: 19.50 °C Vehicle speed: 0.00 km/h Terminal activation-Terminal 75 status: On Terminal activation-Terminal 15 status signal: On Terminal activation-Terminal 15 via CAN: On Terminal activation-Term 75: qualification: OFF 67682 - Voltage Supply for LED Headlight Output Module; Left B16CB 11 [00001001] - Short to Ground Confirmed - Tested Since Memory Clear Freeze Frame: Fault Priority: 5 Fault Frequency: 1 Reset counter: 138 Mileage: 46598 km Date: 2024.04.24 Time: 18:45:14 average_Voltage_terminals: 11.50 V Outside air temperature sensor-Resistance: 0.00 kOhm Outside air temperature sensor-Outside air temperature on CAN: 14.00 °C interior_temperature: 19.50 °C Vehicle speed: 0.00 km/h Terminal activation-Terminal 75 status: On Terminal activation-Terminal 15 status signal: On Terminal activation-Terminal 15 via CAN: On Terminal activation-Term 75: qualification: OFF System run time-Engine running time: 0 s System run time-Terminal 15 on: 0 s 131353 - Power Output Module for LED Headlamps; Left U1170 00 [00001001] - No Communications [Left LED headlamp power output module: no communication] Confirmed - Tested Since Memory Clear Freeze Frame: Fault Priority: 4 Fault Frequency: 3 Reset counter: 138 Mileage: 46598 km Date: 2024.04.24 Time: 18:45:13 average_Voltage_terminals: 11.50 V Outside air temperature sensor-Resistance: 0.00 kOhm Outside air temperature sensor-Outside air temperature on CAN: 14.00 °C interior_temperature: 19.50 °C Vehicle speed: 0.00 km/h Terminal activation-Terminal 75 status: On Terminal activation-Terminal 15 status signal: On Terminal activation-Terminal 15 via CAN: On Terminal activation-Term 75: qualification: OFF System run time-Engine running time: 65535 s System run time-Terminal 15 on: 0 s ------------------------------------------------------------------------------- Address 15: Airbags (J234) Labels:| 8W0-959-655.clb Part No SW: 8W0 959 655 F HW: 8W0 959 655 F Component: Airbag10.44 H03 0109 Serial number: 003UP00ZXJ7N Dataset Number: 8W2909602BA 0009 Coding: AACCF0C00CA00000585400F3D0CC00000000 Shop #: WSC 06335 790 00001 ASAM Dataset: EV_AirbaAU10BPAAU736 006016 ROD: EV_AirbaAU10BPAAU736_006.rod VCID: 4CC17541064DA6EA83B-8018 Crash sensor for side airbag: driver side: Subsystem 1 - Part No SW: ----------- HW: 442 062 201 20 Component: SideSensor_Df 1E2 0887 Serial number: 3577Y00B33450180E43Q Coding: 2D2D2D Front Passenger's Side Airbag Crash Sensor: Subsystem 2 - Part No SW: ----------- HW: 442 062 101 20 Component: SideSensor_Pf 1E2 0887 Serial number: 3587Y00B334A1261315L Coding: 2D2D2D Rear Side Airbag Crash Sensor (on driver's side): Subsystem 3 - Part No SW: ----------- HW: 442 0B0 102 20 Component: SideSensor_Dr 1C7 0148 Serial number: 3517700BD3580014621Y Coding: 2D2D2D Passenger side rear thorax airbag crash sensor: Subsystem 4 - Part No SW: ----------- HW: 442 0B3 101 20 Component: SideSensor_Pr 1C7 0148 Serial number: 3527700AB353521310B- Coding: 2D2D2D Crash sensor for front airbag: driver side: Subsystem 5 - Part No SW: ----------- HW: 442 0C1 701 20 Component: FrontSensor_D 1C5 014A Serial number: 3557500B33507723E0C6 Coding: 2D2D2D Crash sensor for front airbag: front passenger side: Subsystem 6 - Part No SW: ----------- HW: 442 0C1 701 20 Component: FrontSensor_P 1C5 014A Serial number: 3567500B33507723427. Coding: 2D2D2D Center pedestrian protection crash sensor: Subsystem 7 - Part No SW: ----------- HW: 442 0C1 701 20 Component: PedP_Sensor_C 1C5 014A Serial number: 2307500C734DDC6423BL Coding: 2D2D2D Driver's side crash data pedestrian protection 2: Subsystem 8 - Part No SW: ----------- HW: 442 550 402 20 Component: PedPSensor_D2 38B 0887 Serial number: I0MEB00AD342C911035% Coding: 2D2D2D Passenger's side crash data pedestrian protection 2: Subsystem 9 - Part No SW: ----------- HW: 442 550 402 20 Component: PedPSensor_P2 38B 0887 Serial number: I0NEB00AD342C910D2DJ Coding: 2D2D2D No fault code found. ------------------------------------------------------------------------------- Address 16: Steering wheel (J527) Labels: 4M0-907-129.clb Part No SW: 4N0 907 129 S HW: 4N0 907 129 S Component: Lenks.Modul H03 0005 ASAM Dataset: EV_SMLSKLOAU736 007012 ROD: EV_SMLSKLOAU736_007_AU49.rod VCID: 41DF5475310F7B8260D-8014 No fault code found. ------------------------------------------------------------------------------- Address 17: Instruments () Labels:* None-SRI2 Part No SW: 8W5 920 790 J HW: 8W5 920 790 J Component: FBenRDW------ H08 0067 Dataset Number: 8W1909525B 0010 Coding: A5AC35C62A8206000100E3603000480088002000 Shop #: WSC 06335 790 00001 ASAM Dataset: EV_DashBoardAU65X 002018 ROD: EV_DashBoardAU65X_002_AU49.rod VCID: 49CF4C55093FB3C2B8D-801C No fault code found. ------------------------------------------------------------------------------- Address 19: CAN Gateway (J533) Labels:* None Part No SW: 80B 907 468 D HW: 80B 907 468 A Component: Gateway H05 0456 Serial number: 1BF02126689201 Dataset Number: 8W0909515N 0013 Coding: 02010001002086404186000200590012481800071000000001 00008E00000000 Shop #: WSC 06335 790 00001 GVL: 01503C0008040200408C08008002C800000800000040000000 00000000006500 ASAM Dataset: EV_Gatew31xAU65x 003190 ROD: EV_Gatew31xAU65x_AU49.rod VCID: 303901B18AA5E20A9F3-8064 Multifunction steering wheel control module: Subsystem 1 - Part No SW: 82A 951 523 F HW: 82A 951 523 F Component: E221__MFL H03 0010 Serial number: 03S03001088041920039 Battery Monitoring Control Module: Subsystem 2 - Part No SW: 8W0 915 181 A HW: 8W0 915 181 A Component: J367-BDMHella H10 9070 Serial number: 3213603905 1 Fault Found: 131687 - Control Module for Emergency Call and Communications U1421 00 [00001000] - No Communication [Timeout_Node_0x67_DiagAdress_0075_ConBox] Intermittent - Confirmed - Tested Since Memory Clear Freeze Frame: Fault Priority: 4 Fault Frequency: 1 Reset counter: 178 Mileage: 46598 km Date: 2024.04.24 Time: 18:56:44 ------------------------------------------------------------------------------- Address 2B: Steer. Col. Lock (J764) Labels:| 1EA-905-861.clb Part No SW: 3Q0 905 861 C HW: 3Q0 905 861 C Component: ELV-MLBevo H05 0020 Serial number: 20000007190014 Dataset Number: 8W2909564A 0003 Coding: 8800000000000000 Shop #: WSC 06335 790 00001 ASAM Dataset: EV_ELVMarqMQBA0 002002 ROD: EV_ELVMarqMQBA0_AU49.rod VCID: 34310DA17EBDDE2AFBB-8060 No fault code found. ------------------------------------------------------------------------------- Address 42: Door Elect, Driver (J386) Labels:* None Part No SW: 8W0 959 593 M HW: 8W0 959 593 J Component: TSG FS 010 0384 Serial number: 0000404270439 Dataset Number: 8W2909872E 0030 Coding: 001FCA625001000000011402 Shop #: WSC 06335 790 00001 ASAM Dataset: EV_DCU2DriveSideMAXHCONT 001005 ROD: EV_DCU2DriveSideMAXHCONT_VW41.rod VCID: 54F16D21DE7DFE2ADBB-8000 No fault code found. ------------------------------------------------------------------------------- Address 44: Steering Assist (J500) Labels:* None Part No SW: 8W0 909 144 J HW: 8W0 909 144 B Component: EPS_MLBEVO_ZF H08 0411 Dataset Number: 8W2909852Q 0033 Coding: 09008380800000 Shop #: WSC 06334 790 00001 ASAM Dataset: EV_EPSZFAU49X 003023 ROD: EV_EPSZFAU49X_003.rod VCID: 44D15D612E1D6EAA4BB-8010 No fault code found. ------------------------------------------------------------------------------- Address 46: Central Conv. (J393) Labels:* None Part No SW: 8W1 907 064 AC HW: 8W1 907 064 C Component: BCM2 MLBevo 044 0542 Dataset Number: 8W2909501K 0009 Coding: 013500006FB102406309A0000400080211030010804306502F 04000000040030001F0681102F11 Shop #: WSC 06335 790 00001 ASAM Dataset: EV_BCM2HellaAU736 017017 ROD: EV_BCM2HellaAU736_017_AU49.rod VCID: 7EA5EF890071C47A5DF-802A Anti-theft alarm system sensor: Subsystem 1 - Part No SW: 5Q0 951 177 HW: 5Q0 951 172 Component: Sensor, DWA 005 0316 Serial number: 000000000ZY2002523YU Alarm horn: Subsystem 2 - Part No SW: 5Q0 951 605 A HW: 5Q0 951 605 A Component: Sirene, DWA 005 0314 Serial number: 00000000000032383525 left tail lamp 1: Subsystem 3 - Part No SW: 8W6 945 423 HW: 8W6 945 423 Component: SHL_li1 H03 0017 Serial number: 0000000000000L0EHCKQ left tail lamp 2: Subsystem 4 - Part No SW: 8W6 945 429 HW: 8W6 945 429 Component: SHL_li2 H03 0017 Serial number: 0000000000000L0E636K Right rear tail lamp 1: Subsystem 5 - Part No SW: 8W6 945 424 HW: 8W6 945 424 Component: SHL_re1 H03 0017 Serial number: 0000000000000L0EHBZD Right rear tail lamp 2: Subsystem 6 - Part No SW: 8W6 945 430 HW: 8W6 945 430 Component: SHL_re2 H03 0017 Serial number: 0000000000000L0E678B No fault code found. ------------------------------------------------------------------------------- Address 52: Door Elect, Pass. (J387) Labels:* None Part No SW: 8W0 959 592 M HW: 8W0 959 592 J Component: TSG BFS 010 0384 Serial number: 0000404157402 Dataset Number: 8W2909873E 0030 Coding: 001FCA225C01000000011400 Shop #: WSC 06335 790 00001 ASAM Dataset: EV_DCU2PasseSideMAXHCONT 001005 ROD: EV_DCU2PasseSideMAXHCONT_AU49.rod VCID: 53F36E3DDB73F912C21-8006 No fault code found. ------------------------------------------------------------------------------- Address 5F: Information Electr. (J794) Labels:* Redir Fail! Part No SW: 8W2 035 043 A HW: 8W2 035 043 Component: MU-TH-ND-EU 041 3248 Serial number: GRO-63307.02.20 Dataset Number: 8W1909545B 0025 Coding: 14930018804020000000000000000000000000000000000000 ASAM Dataset: EV_MUTI 001008 ROD: EV_MUTI_VW53.rod VCID: 313F04B581AFEB0290D-8064 Multimedia System 1: Subsystem 1 - Part No SW: 8W0 919 620 HW: 8W0 919 620 Component: DU Top AU49x H41 0070 Serial number: TPO00124111910110195 Data carrier: Subsystem 2 - Part No: V03 959 820 KJ Component: MIB3_EU_ 1070 Compact disc data bank: Subsystem 3 - Part No: V03 959 800 EG Component: Gracenote2 1005 Volume Control 1: Subsystem 4 - Part No SW: 8W2 919 616 D HW: 8W2 919 616 D Component: LSR-B9PA H20 0103 Serial number: ALJAL225111900050781 Media socket: Subsystem 5 - Part No: 8W0 035 708 A 009 0007 No fault code found. ------------------------------------------------------------------------------- Address 6C: Back-up Cam. (J772) Labels:* Redir Fail! Part No SW: 4M0 980 556 A HW: 4M0 980 556 A Component: RVC Compact H18 0250 Dataset Number: 8W2909460H 0013 Coding: 0294030102002001400040 Shop #: WSC 06335 790 00001 ASAM Dataset: EV_CamSysRVRVCPANAMLBEv 005010 ROD: EV_CamSysRVRVCPANAMLBEv_005.rod VCID: 33330EBD7BB3D912E21-8066 No fault code found. ------------------------------------------------------------------------------- Address 6D: Trunk Elect. (J605) Labels:| 5Q0-959-107.clb Part No SW: 8W8 959 107 D HW: 8W8 959 107 Component: HDSG-Modul H13 0171 Revision: -------- Serial number: A2-C744-8781-2 Dataset Number: 8W2909541D 0009 Coding: 0610 Shop #: WSC 06335 790 00001 ASAM Dataset: EV_DeckLidCONTIAU736 001017 ROD: EV_DeckLidCONTIAU736_VW37.rod VCID: 4ACD73590C39B8DAB17-801E No fault code found. ------------------------------------------------------------------------------- Address 75: Telematics (J949) Labels:* None Part No SW: 4KE 035 282 C HW: 4KE 035 282 B Component: CB_H_ECE 036 0179 Serial number: A970B0LB059973 Coding: 01E0E0F8C04080F6E0 Shop #: WSC 06335 790 00001 ASAM Dataset: EV_ConBoxHighAU49X 001004 ROD: EV_ConBoxHighAU49X_AU49.rod VCID: 3B23269D53E311523A1-806E No fault code found. ------------------------------------------------------------------------------- Address 80: Batt. reg. aux. accum. (A1) Labels: 8W0-915-101.clb Part No SW: 8W0 915 101 A HW: 8W0 915 101 A Component: MQ-BMS H20 0127 Serial number: 19000165523002 ASAM Dataset: EV_BMS12VLiIonSDIAU49X 001001 ROD: EV_BMS12VLiIonSDIAU49X.rod VCID: 313F04B581AFEB0290D-8064 No fault code found. ------------------------------------------------------------------------------- Address 81: Gear Shift (J587) Labels: 4MX-713-041-81.clb Part No SW: 8W2 713 041 N HW: 8W2 713 041 K Component: GSM-LL H10 0077 Revision: 0L0D5012 Serial number: 20012158257750 ASAM Dataset: EV_GSMWaehlZFAU736 001017 ROD: EV_GSMWaehlZFAU736_AU49.rod VCID: 3FDB528D47FB0D72169-806A No fault code found. ------------------------------------------------------------------------------- Address A5: Frt Sens. Drv. Assist (R242) Labels:* Redir Fail! Part No SW: 8W6 907 217 D HW: 8W6 907 217 D Component: BVS H21 0062 Dataset Number: 8W2909466D 0027 Coding: 0405090100000403024023A2CD0000FC80F0C020C020 Shop #: WSC 06335 790 00001 ASAM Dataset: EV_BVSMLBevKOSTAAU736 002028 ROD: EV_BVSMLBevKOSTAAU736_002_AU49.rod VCID: 43D35E7D2B136992721-8016 1 Fault Found: 1122656 - Databus U1121 00 [00001001] - Missing Message [TIMEOUT_SWA_Objekt_01_02] Confirmed - Tested Since Memory Clear Freeze Frame: Fault Priority: 6 Reset counter: 138 Mileage: 38885 km Date: 2023.12.13 Time: 14:13:50 Control Module temperature: 19 °C Voltage terminal 15: 12.10 V ------------------------------------------------------------------------------- Address AC: Reductant Control (J880) Labels: 4M0-907-355.clb Part No SW: 4M0 907 355 D HW: 4M0 907 355 B Component: SCR-Stg-G3H05 0006 Dataset Number: 8W2909571D 0007 ASAM Dataset: EV_RDCMINERGAU736 005012 ROD: EV_RDCMINERGAU736_AU49.rod VCID: 323D0BB984A9D01AE97-8066 No fault code found. ------------------------------------------------------------------------------- Address BB: Door Rear Drv (J388) Labels:* None Part No SW: 8W0 959 595 M HW: 8W0 959 595 J Component: TSG HFS 010 0384 Serial number: 0000402492622 Dataset Number: 8W2909897E 0030 Coding: 000FC8220001000000001000 Shop #: WSC 06335 790 00001 ASAM Dataset: EV_DCU2RearDriveMAXHCONT 001005 ROD: EV_DCU2RearDriveMAXHCONT_VW37.rod VCID: 56F59729C881EC3A25F-8002 No fault code found. ------------------------------------------------------------------------------- Address BC: Door Rear Pass (J389) Labels:* None Part No SW: 8W0 959 595 M HW: 8W0 959 595 J Component: TSG HBFS 010 0384 Serial number: 0000402492217 Dataset Number: 8W2909896E 0030 Coding: 000FC8220001000000001000 Shop #: WSC 06335 790 00001 ASAM Dataset: EV_DCU2RearPasseMAXHCONT 001005 ROD: EV_DCU2RearPasseMAXHCONT_VW37.rod VCID: 56F59729C881EC3A25F-8002 No fault code found. ------------------------------------------------------------------------------- Address D6: Light Ctrl Left 2 Cannot be reached ------------------------------------------------------------------------------- Address D7: Light Ctrl Right 2 (A27) Labels: 7PP-941-572.clb Part No SW: 4K0 941 572 DD HW: 4K0 941 572 D Component: LMS_MLBevo H06 0040 Dataset Number: 8W2909472D 0008 ASAM Dataset: EV_LMSRightHELLAAU58X 001015 ROD: EV_LMSRightHELLAAU58X_AU37.rod VCID: 73B3CEBD3B339912221-8026 No fault code found. ------------------------------------------------------------------------------- Address DE: Charger 1 for mobile dev (J1146) Labels:* 4N0-035-502.clb Part No SW: 4K0 035 502 B HW: 4K0 035 502 B Component: WLC Front H14 0061 Dataset Number: 4N0909485A 0007 Coding: 400000 Shop #: WSC 06334 790 00001 ASAM Dataset: EV_Charg1MobilDevicAU651 004001 ROD: EV_Charg1MobilDevicAU651_004_AU37.rod VCID: 2019F1F1DA45528A0F3-8074 No fault code found. End----(Elapsed Time: 01:51, VBatt start/end: 11.4V/11.6V. VIgn 11.6V)----- |
R U still under factory warranty - while much of the Audi warranty wording excludes bulbs, the matrix headlight is very expensive to replace.
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Hi, thank you for your reply. Unfortunately, I am no longer under warranty. Do you think the issue lies with the headlight itself?
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"matrix" doesn't clarify if this is 8IY or 8IZ.
Everything on the "matrix" headlamp for B9.5 is run by the headlamp control module. 8-pin plug, 5 wires: 1 - can high 2 - can low 3 - term 56B (dimming, I assume this is some kind of fallback for turning the low beam on if CAN is dead) 4 - term 30 (12v) 5 - term 31 (ground) Do you measure 12v from 4 to 5 on the plug? Do you measure CAN voltage activity from 1 to 5 (2.5 to 3.5 v) and 2 to 5 (2.5 to 1.5 v)? CAN is a differential signal, basically, if you measure from 1 to 2, you should measure alternating 0v / 2v. But you can't see the CAN signal without a scope. But the harness plug does not connect to the control module directly. There's going to be an internal harness from the headlamp housing plug to the control module. You'll have to trace that and then check the voltages at the plug that actually goes into the control module. It's more likely your issue is with the inner wiring than with the harness to the headlamp. But stuff happens with terminal pins. Then again, 67682 - Voltage Supply for LED Headlight Output Module; Left B16CB 11 [00001001] - Short to Ground |
Thank you kindly for your reply. I was leaning towards a headlamp issue as I had crossed off fusing and the light control module itself.
In order to remove the headlamp, it looks like I need better access to get to the screws. Do you have a diagram or directions on how to remove the front bumper to gain access? |
If you're going to work on your car, you should want the workshop manuals for it. Audi makes those available at erwin.audiusa.com, but accessing the documentation requires an active subscription. I talk about that in this post: https://www.audiworld.com/forums/q5-.../#post25902766
But you can probably make do with the online copies at cardiagn. You're just stuck browsing the document in their web page window rather than a local PDF viewer you can resize and multipage and such. https://cardiagn.com/audi-a5-f5-f5e-...epair-manuals/ Headlamps are in electrical equipment. The other option is to remove both headlamps, put the right headlamp on the left harness plug and see if it works. If it doesn't, it's in the wiring harness or the J519 itself. If it does, then it's something in that left headlamp. Also, looks like the wire on pin 3 is only for the 8IZ headlamps, not the 8IY. So depending on which you have, there may or may not be a wire on 3. Also, breaking down the path of the 8-pin on the headlamp to the 44-pin connector on the control module: 1 - CAN high > pins 25 and 26 2 - CAN low > pins 23 and 24 3 - term 56B > pin 9, only if 8IZ 4 - 12v > pin 37 5 - GND > pin 1 Then pin 29 determines if the headlamp is the left or right one. If the control module pin 29 is connected to 12v, it's the right headlamp. If the pin 29 is connected to ground, it's the left headlamp. So the internal harness of the left and right headlamps will not be the same. term 56B is "low beam", so I assume the analog backup. But I don't know why the wiring diagrams says it's only there on 8IZ. |
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