A6 / S6 (C5 Platform) Discussion Discussion forum for the C5 Audi A6 and S6 produced from 1998-2004

P1848 fault code, abs ESP Lights on.

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Old Jun 13, 2018 | 06:20 AM
  #1  
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Default P1848 fault code, abs ESP Lights on.

New issue after finaly getting other issues solved. Abs gives me that code, suggests to check engine codes, which IS Clear. Rumor Said Lights started glowing when readed fault codes with Bosch tester.. or did something wrong with it.. Any suggestions what to try ? Expect new abs unit, with other ecu which IS locked shuts thoes Lights.. Lights are on constantly.
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Old Jun 13, 2018 | 06:40 AM
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clear the codes then try reading with VCDS or other Audi specific reader. Or get it read at an indi Audi shop.
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Old Jun 14, 2018 | 08:06 AM
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I have cleared all codes but p1848 comes instantly Back, on Full scan all codes i get are few from doors, and one (00776) from Front level sensor front open or short to ground. (Xenon Rangers) also car has normal suppension.
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Old Jun 15, 2018 | 10:37 AM
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Found out MAF sensor wiring was redone, and now wondering are they correct. Does Anyone have wiring for 2.5tdi AKE/Bau maf. Pin 2 had 14v Pin 3 was ground Pin 5 was 4v
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Old Jun 15, 2018 | 11:11 AM
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Originally Posted by Vanhickey
Found out MAF sensor wiring was redone, and now wondering are they correct. Does Anyone have wiring for 2.5tdi AKE/Bau maf. Pin 2 had 14v Pin 3 was ground Pin 5 was 4v
12v not 14v...
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Old Jul 17, 2018 | 08:11 AM
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Im more questions than answers

I resurrected the 2003 A6 by changing the tranny fluid - the battery was completely dead - but with new battery ...

I also have the ABS and ESP warning lights

Where did you start troubleshooting?
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Old Jul 17, 2018 | 08:16 AM
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I'm not researching the code for you, so I'll assume it means that there is some sort of communication issue. I'd send the ABS control unit out for rebuild/repair.
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