GHB823 Posted April 13, 2023 Share Posted April 13, 2023 Need some advice please- own a A4 avant B8 S-line 2.7 TDI multitronic. Had gearbox problem so changed that to a second hand part which was installed by my mechanic. The ECU code on gearbox wasn't matching up so was sent to another garage with the software to re-code it. When it came back the Air Bag light had come on. On VagCom code is reading J234 no signal/communication from Air bag ECU. Any advice as to what caused this? Quote Link to comment Share on other sites More sharing options...
Stevey Y Posted April 13, 2023 Share Posted April 13, 2023 8 hours ago, GHB823 said: Need some advice please- own a A4 avant B8 S-line 2.7 TDI multitronic. Had gearbox problem so changed that to a second hand part which was installed by my mechanic. The ECU code on gearbox wasn't matching up so was sent to another garage with the software to re-code it. When it came back the Air Bag light had come on. On VagCom code is reading J234 no signal/communication from Air bag ECU. Any advice as to what caused this? Hi it sounds like they might have spiked the air bag module. Steve. Quote Link to comment Share on other sites More sharing options...
Steve Q Posted April 15, 2023 Share Posted April 15, 2023 I'd be getting it back to the garage who did the coding of the module Quote Link to comment Share on other sites More sharing options...
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