DTC U0111: Gauge Control Module Lost Communication With Motor Control Module (BATT 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 DTC U0111 indicated?
YES -Go to step 5.
NO -Intermittent failure, the system is OK at this time. Check for loose or poor connections.
- Check for IMA system DTCs with the HDS.
Are any DTCs indicated?
YES -Go to the INDICATED DTC'S TROUBLESHOOTING , then recheck.
NO -Go to step 6.
- Turn the ignition switch to LOCK (0).
- Disconnect the gauge control module 32P connector.
- Disconnect motor control module (MCM) connector A (31P).
- Check for continuity between gauge control module 32P connector terminal No. 19 and No. 20 and motor control module (MCM) connector A (31P) terminal No. 23 and No. 22 respectively.Fig 1: Checking Continuity Between Gauge Control Module 32P Connector Terminal No. 19 And No. 20 And Motor Control Module (MCM) Connector A (31P) Terminal No. 23 And No. 22
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Is there continuity?
YES -Go to step 10.
NO -Repair an open or high resistance in the wire.
- Reconnect the gauge control module 32P connector and motor control module (MCM) connector A (31P).
- 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 DTC U0111 indicated?
YES -Replace the gauge control module (see GAUGE CONTROL MODULE REPLACEMENT ).
NO -Replace the motor control module (MCM) (see MOTOR CONTROL MODULE (MCM) REMOVAL/INSTALLATION ).