Acura B1075: Headlight Switch Back-up Circuit Malfunction
Is your scanner showing Acura B1075?
No worries. We'll show you what it means and how to deal with it.
Acura B1075: Headlight Switch Back-up Circuit Malfunction
OVERVIEWWhat Does The Acura B1075 Code Mean?
Poor communication between the Combination Switch Control Unit and the Relay Control Module or between the Combination Switch Control Unit and the MICU
What Are The Potential Causes Of The Acura B1075 Code?
- Short in the WHT wire between the Combination Switch Control Unit and the Relay Control Module (H/L BACK-UP line) or between the Combination Switch Control Unit and the MICU
- Open GND circuit
- 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 Relay Control Unit
- “Open” or “Short” to ground at the Combination Control Unit.
- Faulty Relay Control Unit
- Faulty Combination Control Unit
Recommended Parts
Below are some recommended auto parts to help you address the trouble code affecting your vehicle and get it running smoothly again:
>>> WORKPRO 582-piece Crimp Terminals, Wire Connectors, Heat Shrink Tube, Electrical Repair Kit
Note: During the purchasing process, please check carefully whether the part you want to buy fits your car!
Reference Sources
Acura B1075, DTCDECODE.
