Acura B2969: Climate Control Unit Lost Communication with Combination Switch Control Unit (WIPSW message)
Is your scanner showing Acura B2969?
No worries. We'll show you what it means and how to deal with it.
Acura B2969: Climate Control Unit Lost Communication with Combination Switch Control Unit (WIPSW message)
OVERVIEWWhat Does The Acura B2969 Code Mean?
Poor communication between the Combination Switch Control Unit and the Climate Control Unit.
If any of the following DTCs are indicated; B1958, B1063, or B1156, perform the wiper/washer switch (Combination Switch Control Unit) input test.
If no additional codes are present, perform the Climate Control Unit troubleshooting.
NOTE: If you are troubleshooting multiple DTCs, be sure to follow the instructions in the B-CAN system diagnosis test mode A.
What Are The Potential Causes Of The Acura B2969 Code?
- Loose wire or poor connection on the climate control unit connector
- Blown fuse in the main under-hood fuse box
- Blown fuse in the under-dash fuse/relay box
- Poor ground
Recommended Parts
Below are some recommended auto parts to help you address the trouble code affecting your vehicle and get it running smoothly again:
>>> Windshield Wiper Switch Coupe Sedan Compatible with Honda Civic Acura Integra 1996-1999
>>> Acura Climate Control Unit
>>> Headlight Turn Signal Combination Switch
Note: During the purchasing process, please check carefully whether the part you want to buy fits your car!
Reference Sources
2007-2009 Acura MDX HVAC Climate Control Service Manual for B2969 – Pages 108-109.