DTC Troubleshooting

DTC Troubleshooting: P16D7 (107), P16D8 (120)

DTC P16D7:

PCM Internal F-CAN Communication Circuit Malfunction

DTC P16D8:

PCM Internal IMA-CAN Communication Circuit Malfunction

NOTE: Before you troubleshoot, record all freeze data and any on-board snapshot with HDS, and review General Troubleshooting Information How To Troubleshoot The CVT System.

1. Turn the ignition switch to ON (II).

2. Clear the DTC with the HDS.

3. Turn the ignition switch to LOCK (0).

4. Turn the ignition switch to ON (II), and wait for at least 5 seconds.

5. Check for Pending or Confirmed DTCs with the HDS.

Is DTC P16D7 or P16D8 indicated?

YES -

Go to step 6.

NO -

Intermittent failure, the system is OK this time.�

6. Update the PCM if it does not have the latest software, or substitute a known-good PCM.

7. Start the engine, and let it idle for at least 2 minutes.

8. Monitor the OBD STATUS for P16D7 or P16D8 in the DTCs MENU with the HDS.

Does the HDS indicate PASSED?

YES -

If the PCM was updated, troubleshooting is complete. If the PCM was substituted, replace the original PCM Service and Repair.

NO -

If the HDS indicates FAILED, check for poor connections or loose terminals between PCM and F-CAN circuit. 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 HDS indicates NOT COMPLETED, go to step 7.