B1011
DTC Troubleshooting: B1011
DTC B1011:
MICU lost communication with Gauge Control Module (VSP/NE message)
NOTE:
- If you are troubleshooting multiple DTC's, be sure to follow the instruction in B-CAN System Diagnosis Test Mode A Troubleshooting - B-CAN System Diagnosis Test Mode A.
- Before troubleshooting, check the No. 1 (10 A) and No. 22 (7.5 A) fuses in the under-dash fuse/relay box.
1. Clear the DTCs with the HDS.
2. Turn the ignition switch to LOCK (0) and then back to ON (II).
3. Wait for at least 6 seconds.
4. Check for DTCs with the HDS.
Is DTCs B1011 indicated?
YES -
Go to step 5.
NO -
Intermittent failure, the system is OK at this time. Check for loose or poor connections between the gauge control module and under-dash fuse/relay box connector Q (16P). If the connections are good, check the battery condition Battery Test and the charging system.�
5. Select the BODY ELECTRICAL system select menu, then enter the UNIT INFORMATION menu.
6. Check the condition of the gauge control module from the CONNECTED UNIT.
Is NOT AVAILABLE indicated?
YES -
Go to step 7.
NO -
Replace the gauge control module Service and Repair.�
7. Turn the ignition switch to LOCK (0).
8. Disconnect the gauge control module 32P connector.
9. Turn the ignition switch to ON (II).
10. Measure the voltage between gauge control module 32P connector terminals No. 16 and No. 32 and body ground individually.
Is there battery voltage?
YES -
Go to step 11.
NO -
Repair open in the wire.�
11. Turn the ignition switch to LOCK (0).
12. Check for continuity between gauge control module 32P connector terminals No. 13 and No. 17 and body ground individually.
Is there continuity?
YES -
Go to step 13.
NO -
Repair open in the wire or poor ground (G501).�
13. Disconnect under-dash fuse/relay box connector Q (16P).
14. Disconnect the gauge control module 32P connector.
15. Check for continuity between under-dash fuse/relay box connector Q (16P) terminal No. 3 and gauge control module 32P connector terminal No. 18.
Is there continuity?
YES -
Replace the gauge control module Service and Repair.�
NO -
Repair open in the wire between the under-dash fuse/relay box and the gauge control module.�