DTC P2121: Throttle/Pedal Position Sensor/Switch D Circuit Range/Performance
WARNING: This page does not describe the selected car, but rather 25 other vehicles, including the 2012 Lincoln Navigator L, 2012 Lincoln Navigator, 2012 Lincoln MKZ, 2012 Lincoln MKX, and 2012 Lincoln MKT. However, it is still accessible from the selected car via links, so may be relevant.
P2121 - THROTTLE/PEDAL POSITION SENSOR/SWITCH D CIRCUIT RANGE/PERFORMANCE
| Description: This DTC sets when the accelerator pedal position (APP) sensor fault flag is set for sensor 1 by the PCM, indicating the signal is out of the normal self-test operating range. | |||
Possible Causes:
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| Diagnostic Aids: An APP1 or APP_D sensor PID reading may indicate a concern. | |||
| Application | Key On Engine Off | Key On Engine Running | Continuous Memory |
| All | GO to PINPOINT TEST DK . | ||