DTC B1155 Acura

Gauge Control Module Lost Communication with Combination Switch Control Unit (HLSW Message)

Gauge Control Module Lost Communication with Combination Switch Control Unit (HLSW Message)

Description

Poor communication between the Gauge Control Module and the Combination Switch Control Unit. Faulty or intermittent headlamps If DTCs B1007, B1062, B1063, B1957, B1958, and or B2969 are indicated, perform the Combination Switch Control Unit input test. If aditional codes are not present perform the Gauge Control Module input test.

Cause and Solution

Loose or poor connections between the Gauge Control Module and the Combination Switch Control Unit
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 Combination Control Unit
Faulty Combination Comtrol Unit

Video Guide

Duration: PT4M27S | Uploaded: 2020-04-11

Diagnostic Info

  • DTC Code: B1155
  • Brand: Acura
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