DTC P2121: Throttle / Pedal Position Sensor / Switch "D" Circuit Range / Performance: Procedure
- CHECK OTHER DTC OUTPUT
Result
Display (DTC output) Proceed to P2121 A P2121 and other DTCs B B → GO TO RELEVANT DTC CHART
A: Go to next step
- REPLACE ACCELERATOR PEDAL
NEXT: Go to next step
- CHECK OUTPUT DTC (ACCELERATOR PEDAL POSITION SENSOR DTCS ARE OUTPUT AGAIN)
- Clear the DTCs. Refer to DTC CHECK / CLEAR .
- Start the engine and allow the engine to idle for 15 seconds or more.
- Read DTCs.
Result
Display (DTC output) Proceed to P2121 A No output B
B → CHECK FOR INTERMITTENT PROBLEMS
A → REPLACE ECM