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P1639 Diagnostic Trouble Code Discussion for June 2012

5-Volt Reference 'B' Circuit Malfunction


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Trouble Ticket Help Requests for DTC P1639
Help Request Posted
2001 Volkswagen Beetle GLS 1.8L Stall, MIL Lamp on VIN: 3VWCC21C41
P1639: Accelerator Pedal Pos Sen 12 Range Perf. Hello and thanx in advance for any help given. Ive got a turbo Beetle that we just completed a head gasket on. This repair went smooth. But during the test drive the tech said that during a left the car stalled. The vehicle started back up but was low on power...
June 07, 2012