Engine Error
P2122
Throttle/Pedal Position Sensor/Switch D Circuit Low Input
Severity
High
Symptoms
Lack of engine response when pressing the gas pedal
Common Causes
- Short to ground in pedal sensor wiring
- Failed Accelerator Pedal Position (APP) sensor
- Water in the floorboard corroding connector
- Failed PCM
How to Fix
- 1 Repair shorted wire
- 2 Replace accelerator pedal assembly
- 3 Dry out carpet and clean connector
- 4 Test PCM reference voltage
Estimated Repair Cost
USD
$100
–
$400
Pedal assembly: $150 - $350