DTC P2123: - Throttle/Pedal Position Sensor/Switch D Circuit High
WARNING: This page does not describe the selected car, but rather 32 other vehicles, including the 2009 Mercury Mountaineer, 2009 Mercury Milan, 2009 Mercury Mariner, 2009 Mercury Grand Marquis, and 2009 Lincoln Town Car. However, it is still accessible from the selected car via links, so may be relevant.
DTC P2123: - THROTTLE/PEDAL POSITION SENSOR/SWITCH D CIRCUIT HIGH
| Description: | The accelerator pedal position (APP) sensor 1 is out of self-test range high. | ||
| Possible Causes: |
|
||
| Diagnostic Aids: | An APP1 sensor PID reading may indicate a concern. | ||
| Application | Key On Engine Off | Key On Engine Running | Continuous Memory |
| All | GO to Pinpoint Test DK . | ||