Transmission Control Systems

DTC P0339: Crankshaft Position (CKP) Sensor A Intermittent Interruption

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

1. Turn the ignition switch ON (II).
2. Clear the DTC with the HDS.
3. Start the engine, and run it idle for 10 seconds.
4. Check for Temporary DTCs or DTCs in the PGM-FI SYSTEM with the HDS.
Is DTC P0339 indicated in the PGM-FI SYSTEM?
YES - Go to the DTC P0339 troubleshooting in the PGM-FI system.
NO - Go to step 5.

5. Check for DTCs in the A/T SYSTEM with the HDS.
Is DTC P0339 indicated in the A/T SYSTEM?
YES - Go to step 6.
NO - Intermittent failure, the system is OK at this time.

6. Update the PCM if it does not have the latest software, or substitute a known-good PCM.
7. Turn the ignition switch ON (II).
8. Check for DTCs in the A/T SYSTEM with the HDS. Is DTC P0339 indicated in the A/T SYSTEM?
YES - Check for poor connections or loose terminals at the PCM and the CKP sensor. If the PCM was updated, substitute a known-good PCM, then go to step 7. If the PCM was substituted, go to step 1.
NO - Go to step 9.

9. Monitor the OBD STATUS for P0339 in the DTCs MENU with the HDS.
Does the screen indicate PASSED?
YES - If the PCM was updated, troubleshooting is complete. If the PCM was substituted, replace the original PCM. If any other DTCs were indicated in step 8, go to the indicated DTC's troubleshooting.
NO - If the screen indicates FAILED, check for poor connections or loose terminals at the PCM. If the PCM was updated, substitute a known-good PCM, then go to step 7. If the PCM was substituted, go to step 1. If the screen indicates NOT COMPLETED, keep the ignition switch ON (II) until result comes on.