P1623 Diagnostic Trouble Code Discussion for July 2018
Code Word or Key ID Number Read/Write Error in the PCM
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| Help Request | Posted | |
| 2004 Audi A4 Cabriolet 1.8L MIL Lamp on, speedo inop VIN: WAUAC48H04 P1623: powertrain bus no communiction abs. 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 |
