Acura B1156: Gauge Control Module Lost Communication with Combination Switch Control Unit (WIPSW Message)

Is your scanner showing Acura B1156?
No worries. We'll show you what it means and how to deal with it.

Presented by
Randy Worner

Acura B1156: Gauge Control Module Lost Communication with Combination Switch Control Unit (WIPSW Message)

OVERVIEW
Severity
:
Medium
DIY Difficulty Level
:
Intermediate
Repair Cost
:
$75-$200
Can I Still Drive?
:
Yes

What Does The Acura B1156 Code Mean?

Poor comminication between the Gauge Control Module and the Combination Switch Control Unit. Windshield Wipers/Washer maybe inoperable or intermittent.

What Are The Potential Causes Of The Acura B1156 Code?

  • 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 Gauge Control Module
  • Faulty Combination Control Unit

How Can You Fix The Acura B1156 Code?

If DTCs B1007, B1062, B1063, B1957, B1958, and/or B2969 are indicated, perform the Combination Switch Control Unit input test.

If no additional codes are present perform the gauge control module input test.

Recommended Parts

Below are some recommended auto parts to help you address the trouble code affecting your vehicle and get it running smoothly again:

>>> Twippo 372Pcs Waterproof Wire Connectors Kit
>>> Combination Switch
>>> Acura Gauge Control Module

Note: During the purchasing process, please check carefully whether the part you want to buy fits your car!

Reference Sources

Acura B1156, DTCDECODE.

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