DTC B1157: Gauge Control Module Lost Communication with MICU (MICU Message); DTC B1159: Gauge Control Module Lost Communication with MICU (DOORSW Message);DTC B1180: Gauge Control Module Lost Communication with MICU (AUTOLT Message); DTC B1188: Gauge Control Module Lost Communication with the MICU (RM Message)
WARNING: This page is about a different car, the 2009 Acura MDX, 2008 Acura MDX, and 2007 Acura MDX. However, it is still accessible from the selected car via links, so may be relevant.
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 ON (II).
- Wait for 6 seconds or more.
- Check for DTCs with the HDS.
Is DTC B1157, B1159, B1180, and/or B1188 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 the MICU.
- Check for DTCs with the HDS.
Are DTCs B1055, B1056, B1057, B1255, B1955, B2155, B2156, and/or B2161 also indicated?
YES - Do the MICU input test (see MICU INPUT TEST ).
NO - Do the gauge control module input test (see GAUGE CONTROL MODULE INPUT TEST ).