Transmission

DTC P2122: Accelerator Pedal Position (APP) Sensor A (Throttle Position Sensor D) Circuit Low Voltage Input

NOTE: Before you troubleshoot, record all freeze data and any on-board snapshot, and review General Troubleshooting Information.

1. Clear the DTC with the HDS.
2. Turn the ignition switch ON (II).
3. Check whether the DTC P2122 is indicated in the DTCs/Freeze Data in PGM-FI Mode Menu with the HDS.
Is DTC P2122 indicated in the PGM-FI system?
YES - Troubleshoot for DTC P2122 in the PGM-FI System.
NO - Go to step 4.

4. Check whether the DTC P2122 is indicated in the DTCs/Freeze Data in A/T Mode Menu with the HDS.
Is DTC P2122 indicated?
YES - Update the PCM if it does not have the latest software, or substitute a known-good PCM, then recheck for DTC P2122. If the symptom/indication goes away with a known-good PCM, replace the original PCM.
NO - Intermittent failure, the system is; OK at this time.