DTC P1639 Audi
Accelerator Pedal Position Sensor 1+2 Range Performance
Accelerator Pedal Position Sensor 1+2 Range Performance
Description
Engine started, battery voltage at least 11.5v, all electrical components off, ground connections between engine and chassis well connected, the ECM detected that the accelerator pedal position sensor signal was too high. Note: Both the Throttle Position (TP) Sensor and Accelerator Pedal Position Sensor 2 are located at the accelerator pedal module and communicate the driver’s intentions to the ECM completely independently of each other. Both sensors are stored in one housing.
Cause and Solution
Ground between engine and chassis may be broken
Throttle position sensor may have failed
Accelerator Pedal Position Sensor 2 has failed
Throttle position sensor wiring may have shorted
Faulty voltage supply
Video Guide
Diagnostic Info
- DTC Code: P1639
- Brand: Audi