DTC B2179 Acura
Drivers Door Key Cylinder Switch LOCK UNLOCK Signal Error
Drivers Door Key Cylinder Switch LOCK UNLOCK Signal Error
Description
Drivers Door Key Cylinder Switch malfunction. NOTE: If you are troubleshooting multiple DTCs, be sure to follow the instructions in B-CAN System Diagnosis Test Mode A.
Cause and Solution
Check for loose or poor connections
Open or Short condition between the Drivers Door Key Cylinder Switch and the Drivers MPCS unit
Faulty door lock switch bulb
Faulty Drivers Door Key Cylinder Switch; replace the drivers door lock actuator assembly
Video Guide
Diagnostic Info
- DTC Code: B2179
- Brand: Acura