DTC B1055 Honda
Relay Control Module Lost Communication with MICU (MICU Message)
Relay Control Module Lost Communication with MICU (MICU Message)
Description
Poor communication between the Relay Control Module and the MICU. If DTCs B1055, B1056, B1057, B1157, B1159, B1180, B1255, B1955, B2155, B2156, and B2161 are all indicated, perform the MICU input test.
Cause and Solution
Loose or poor connections between the Relay 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 drivers MPCS unit
Open or Short to ground at drivers MICU
Open or Short to ground at drivers Relay Control Module
Faulty Relay Control Module
Video Guide
Diagnostic Info
- DTC Code: B1055
- Brand: Honda