GM
Type:
    Powertrain - Manufacturer Controlled DTC - Manufacturer Controlled
Description:
    Accelerator Pedal Position Sensor 3 Performance Conditions
Cause:
    DTC P0606, P1517 and P1518 not set, key in crank or run mode, system voltage over 5.23v, then the PCM detected the APP 3 disagreed with APP sensor 1 by over 10.5%, and that APP 3 disagreed with the APP 2 by over 10.5% (by over 13% on VIN G), condition met for less than 1 second