P2121 - Throttle/Pedal Position Sensor/Switch D Circuit Range/Performance
P2121 - THROTTLE/PEDAL POSITION SENSOR/SWITCH D CIRCUIT RANGE/PERFORMANCE
| Description: | The accelerator pedal position (APP) sensor fault flag is set for sensor 1 by the powertrain control module (PCM), indicating the signal is out of the normal self-test operating range. | |||
| Possible Causes: |
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| Diagnostic Aids: | An APP1 sensor PID reading may indicate a concern. | |||
| Application | Key On Engine Off | Key On Engine Running | Continuous Memory | |
| All | refer to PINPOINT TEST DK . | |||