P1639 Diagnostic Trouble Code Discussion for May 2016
5-Volt Reference 'B' Circuit Malfunction
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| Help Request | Posted | |
| 2003 Volkswagen Jetta GL 2.0L MIL Lamp on VIN: 3VWRK69M83 P1639: Accel pedal position sensor. ... power problem. Car had 13 codes in it for various sensors, Check Engine and EPC lights on. Traced it to ig switch, replaced, battery switched power is good now. Car now sets code P1639. Did all tests for this code listed in Alldata. Came down to replace AP... |
May 19, 2016 |
