DTC B1064: Relay Control Module Lost Communication With Driver's MPCS Unit (Door Switch Message); DTC B1065: Relay Control Module Lost Communication With Driver's MPCS Unit (Door Lock Switch Message)
NOTE:
If you are troubleshooting multiple DTCs, be sure to follow the instructions in B-CAN System Diagnosis Test Mode A (see
TROUBLESHOOTING - B-CAN SYSTEM DIAGNOSIS TEST MODE A
).
- Clear the DTCs with the HDS.
- Turn the ignition switch to LOCK (0) and then back to ON (II).
- Wait for at least 6 seconds.
- Check for DTCs with the HDS.
Is DTCs B1064 and/or B1065 indicated?
YES -Go to step 5.
NO -Intermittent failure, the system is OK at this time. Check for loose or poor connections between the relay control module and driver's MPCS unit.
- Check for DTCs with the HDS.
Are DTCs B1014, B1015, B1181, B1182, B1613, B1614, and B1811 all indicated?
YES -Do the driver's MPCS unit input test (see DRIVER'S MPCS UNIT INPUT TEST ).
NO -Do the relay control module input test (see RELAY CONTROL MODULE INPUT TEST ).