DTC B1157 Acura
Gauge Control Module Lost Communication with MICU (MICU Message)
Gauge Control Module Lost Communication with MICU (MICU Message)
Description
Poor communication between the Gauge Control Module and the MICU If DTCs B1055, B1056, B1057, B1255, B1955, B2155, B2156, and or B2161 are indicated, perform the MICU input test. If no additionl codes are indicated peform the Gauge Control Module input test.
Cause and Solution
Loose or poor connections between the Gauge Control Module and the MICU
Blown fuse in the main under-hood fuse box
Blown fuse in the under-dash fuse relay box
Open or Short to ground at the Gauge Control Module
Open or Short to ground at the MICU
Faulty Gauge Control Module
Video Guide
Diagnostic Info
- DTC Code: B1157
- Brand: Acura