Acura B1906: Immobilizer-Keyless Control Unit Lost Communication with Gauge Control Module (A/T Message)
Is your scanner showing Acura B1906?
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Acura B1906: Immobilizer-Keyless Control Unit Lost Communication with Gauge Control Module (A/T Message)
OVERVIEWWhat Does The Acura B1906 Code Mean?
Poor communication between the Immobilizer-Keyless Control Unit and the Gauge Control Module. Poor communication between the Immobilizer-Keyless Control Unit and the Gauge Control Module.
NOTE: If you are troubleshooting multiple DTCs, be sure to follow the instructions in B-CAN System Diagnosis Test Mode A. If DTCs B1061, B1359, B1808, and B1956 are also indicated, perform the Gauge Control Module input test. If no codes are present, perform the Immobilizer-Keyless Control Unit input test.
What Are The Potential Causes Of The Acura B1906 Code?
- Loose or poor connections between the Immobilizer-Keyless Control Unit and the Gauge Control Module
- Blown fuse in the main under-hood fuse box
- Blown fuse in the under-dash fuse/relay box
- “Open” or “Short condition
- Poor ground
- Faulty Gauge Control Module
- Faulty Immobilizer-Keyless 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
>>> Acura Gauge Control Module
>>> Acura Keyless Entry Control Module Unit
Note: During the purchasing process, please check carefully whether the part you want to buy fits your car!
Reference Sources
Acura B1906, DTCDECODE.
