P1649 Diagnostic Trouble Code Discussion for July 2018
ABS Operation Signal Circuit Malfunction
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| Help Request | Posted | |
| 2004 Audi A4 Cabriolet 1.8L MIL Lamp on, speedo inop VIN: WAUAC48H04 P1649: powertrain missing message from abs controller. can communicate with esp(abs)transmission,engine control modules and see data and clear codes etc but no speedometer(has cvt transmission) and abs,engine lamp and traction control symbol come on and seems to loose communication on a short drive seen as a f... |
July 02, 2018 |
