Diesel Data: Automotive Repair

B2634




DTC Troubleshooting: B2634

DTC B2634:

Rear Bus Failure

NOTE: If you are troubleshooting multiple DTCs, be sure to follow the instructions in B-CAN System Diagnosis Test Mode A Troubleshooting - B-CAN System Diagnosis Test Mode A.

1. Clear the DTCs with the HDS.

2. Turn the ignition switch to LOCK (0) and then back to ON (II).

3. Check for DTCs with the HDS.

Is DTC B2634 indicated?

YES -

Go to step 4.

NO -

Intermittent failure, the system is OK at this time.�

4. Check for DTCs with the HDS.

Are DTCs B2629, B2630, B2631, and/or B2632 indicated?

YES -

Go to the indicated DTCs troubleshooting.�

NO -

Replace the parking and back-up sensor control unit.�