VIDEO

Acura DTC

Acura DTC B1255

Manufacture

Acura DTC

Code

B1255

Definition

Combination Switch Control Unit Lost Communication with MICU (MICU Message)

Description

Poor communication between the Combination Switch Control Unit and the MICU. If DTCs B1055, B1157, B1806, B1955, and B2155 are indicated, perform the MICU input test. In no other codes are present perform the Combination Switch Control Unit input test

Cause

  • Loose or poor connections between the Combination Switch Control Unit and the MICUBlown fuse in the main under-hood fuse boxBlown fuse in the under-dash fuse relay boxOpen or Short to ground at the Combination Control UnitOpen or Short to ground at the MICUFaulty MICUFaulty Combination Control Unit

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