Join Now
International Automotive Technicians Network

P1639 Diagnostic Trouble Code Discussion for February 2012

5-Volt Reference 'B' Circuit Malfunction


Note: This is a professional automotive technician's resource.
Vehicle Owners: If you are seeking an automotive repair professional to service your vehicle, visit the iATN Repair Shop Finder.

Trouble Ticket Help Requests for DTC P1639
Help Request Posted
2001 Volkswagen Jetta GLS 2.8L Poor Idle Quality, Stall, Misfire VIN: 3VWSG29M21
P1639: Accelerator Position Sensor 1/2G79/G185 Implausable Sign. Hello all, thanks in advance for the help. We replaced the transmission due to an accident, sent the car to the dealer to have computor flashed because of a shifting issue with an associated tsb. Customer ran car for a couple days and brought the car back beca...
February 28, 2012
2001 Volkswagen Jetta GLS 2.8L Poor Idle Quality, Stall, Misfire VIN: 3VWSG29M21
P1639: Accelerator Position Sensor 1/2G79/G185 Implausable Sign. Hello all, thanks in advance for the help. We replaced the transmission due to an accident, sent the car to the dealer to have computor flashed because of a shifting issue with an associated tsb. Customer ran car for a couple days and brought the car back beca...
February 28, 2012