DTC 107

DTC U0028 (107): F-CAN Malfunction (BUS-OFF (MCM))
1. Turn the ignition switch ON (II).
2. Clear the DTC with the HDS.
3. Check for IMA system Temporary DTCs or DTCs with the HDS.
Is DTC U0028 (107) indicated?
YES - Go to step 4.
NO - Intermittent failure, system is OK at this time. Check for poor connections or loose terminals at the PCM and the MCM.

4. Check for IMA system and PGM-FI system Temporary DTCs or DTC with the HDS.
Is DTC U0028 indicated?
YES - Go to step 5.
NO - Go to step 9.

5. Check for PGM-FI system Temporary DTCs or DTC with the HDS.
Is DTC U0028 indicated?
YES - Do the troubleshooting for DTC U0028.
NO - Update the PCM if it does not have the latest software, or substitute a known-good PCM, then recheck. If the symptom/indication goes away with a known-good PCM, replace the original PCM, then go to step 6.

6. Turn the ignition switch ON (II).
7. Reset the MCM with the HDS.
8. Check for IMA system Temporary DTCs or DTCs with the HDS.
Are any Temporary DTCs or DTCs indicated?
YES - If DTC U0028 (107) is indicated, check for poor connections or loose terminals at the PCM, the BCM module, and the MCM, then go to step 1. If any other Temporary DTCs or DTCs are indicated, go to the indicated DTC's troubleshooting.
NO - Troubleshooting is complete.

9. Update the MCM if it does not have the latest software, or substitute a known-good MCM.
10. Check for IMA system Temporary DTCs or DTCs with the HDS.
Is DTC U0028 (107) indicated?
YES - Check for poor connections or loose terminals at the PCM, the BCM module, and the MCM. If the MCM was updated, substitute a known-good MCM, then recheck. If the MCM was substituted, go to step 1.
NO - If the MCM was updated, troubleshooting is complete. If the MCM was substituted, replace the original MCM. If any other Temporary DTCs or DTCs are indicated, go to the indicated DTC's troubleshooting.