Acura B1007: MICU Lost Communication with Combination Switch Control Unit (HLSW Message)
Is your scanner showing Acura B1007?
No worries. We'll show you what it means and how to deal with it.
Acura B1007: MICU Lost Communication with Combination Switch Control Unit (HLSW Message)
OVERVIEWWhat Does The Acura B1007 Code Mean?
Poor communication between the MICU and the Combination Switch Control Unit. Inoperative or intermittent Headlamp Switch.
What Are The Potential Causes Of The Acura B1007 Code?
- Loose or poor connections between the MICU and the Combination Switch Control Unit.
- Blown fuse in the main under-hood fuse box
- Blown fuse in the under-dash fuse/relay box
- Faulty MICU
- Faulty Headlamp Switch (Combination Switch 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:
>>> Twippo 372Pcs Waterproof Wire Connectors Kit
>>> Acura Under-dash Fuse/Relay Box
>>> Acura Headlight Switch
Note: During the purchasing process, please check carefully whether the part you want to buy fits your car!
Reference Sources
Accessories & Equipment Multiplex Integrated Control System Service Manual for B1007 – 2004 Acura TSX, pages 41-42.
