VIDEO

Acura DTC

Acura DTC B1055

Manufacture

Acura DTC

Code

B1055

Definition

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

  • Loose or poor connections between the Relay Control Module and the MICUBlown fuse in the main under-hood fuse boxBlown fuse in the under-dash fuse relay boxOpen or Short to ground at drivers MPCS unitOpen or Short to ground at drivers MICU Open or Short to ground at drivers Relay Control ModuleFaulty Relay Control ModuleFaulty MICU

_B1055  There are 0 products.