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  1. BUICK P1639

P1639 / VW

Accelerator Pedal Position Sensor 1/2 Range Performance

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P1639 / JEEP

TCM Internal CAN 2 RAM Performance

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P1639 / JAGUAR

Vehicle ID Block Corrupted or Not Programmed

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P1639 / GENERIC

Vehicle ID Block Corrupted or Not Programmed

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P1639 / CHEVROLET

PCM 5 Volt Reference Voltage Circuit Condition

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P1639 / CADILLAC

PCM 5 Volt Reference Voltage Circuit Condition

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P1639 / BUICK

5 Volt Reference 2 Circuit

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P1639 / BMW

Throttle Valve Position Control; Throttle Stuck Permanently

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P1639 / AUDI

Accelera.Pedal Pos.Sensor 1+2 Range/Performance

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NOTE: Results from this database are the beginning of the diagnostic process, further investigation should be performed to confirm results before you begin repairs.