DTC B1812 Acura
Power Seat Control Unit Lost Communication with Drivers MPCS Unit (MEMSW Message)
Power Seat Control Unit Lost Communication with Drivers MPCS Unit (MEMSW Message)
Description
Poor communication between the Power Seat Control Unit and the Drivers MPCS Unit. NOTE: If you are troubleshooting multiple DTCs, be sure to follow the instructions in B-CAN System Diagnosis Test Mode A. If DTCs B1013, B1015, B1065, B1182, B1356, B1358, and B1905 are also indicated, perform the drivers MPCS unit input test. If no additional codes are present, perform the Power eat Control Unit Input Test.
Cause and Solution
Loose or poor connections between the Power Seat Control Unit and the Drivers MPCS unit
Blown fuse in the main under-hood fuse box
Blown fuse in the under-dash fuse relay box
Faulty ground
Open or Short Condition between the Power Seat Control Unit and the Drivers MPCS Unit
Faulty Drivers MPCS Unit
Video Guide
Diagnostic Info
- DTC Code: B1812
- Brand: Acura