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)
WARNING: This page is about a different car, the 2013 Acura MDX, 2012 Acura MDX, 2011 Acura MDX, and 2010 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
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 B1157, B1159, and/or B1180 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, B1355, B1806, B1810, B1811, B1955, B2155, B2156, and/or B2161 also indicated?
YES -Do the MICU input test MICU INPUT TEST ).
NO -Do the gauge control module input test