DTC Troubleshooting: U0029 (K20C2: Without CAN gateway)

DTC Troubleshooting: U0029

DTC U0029: F-CAN Malfunction (BUS-OFF (PCM))

NOTE: Before you troubleshoot, review the general troubleshooting information.

DTC Description	Confirmed DTC	Pending DTC
U0029 F-CAN Malfunction (BUS-OFF (PCM))

Problem verification:

Problem verification

?1.	Turn the vehicle to the ON mode.

?2.	Clear the DTC with the HDS.

?3.

Check for Pending or Confirmed DTCs with the HDS.

DTC Description	Confirmed DTC	Pending DTC
U0029 F-CAN Malfunction (BUS-OFF (PCM))

Is DTC U0029 indicated?


	YES

The failure is duplicated. Check for any authorized service information related to the DTCs or symptoms you are troubleshooting, or substitute a known-good PCM, then recheck. If DTC U0029 goes away and the PCM was substituted, replace the original PCM.?


	NO

Intermittent failure, the system is OK at this time. If the on-board snapshot of this DTC is recorded, try to reproduce the failure under the same conditions with the on-board snapshot.?