DTC Troubleshooting

DTC P16D7: PCM Internal F-CAN Communication Circuit Malfunction

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

1. Turn the ignition switch to ON (II).
2. Clear the DTC with the HDS.
3. Check for Temporary DTCs or DTCs with the HDS.

Is DTC P16D7 indicated?

YES - Go to step 4.

NO - Intermittent failure, the system is OK at this time.

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

5. Start the engine, and let it idle for at least 2 minutes.
6. Check for Temporary DTCs or DTCs with the HDS.

Is DTC P16D7 indicated?

YES - If the PCM was updated, substitute a known-good PCM, then recheck. If the PCM was substituted, go to step 1.

NO - If the PCM was updated, troubleshooting is complete. If the PCM was substituted, replace the original PCM. If any other Temporary DTCs or DTCs are indicated, go to the indicated DTC's troubleshooting.