B1212 FORD, LINCOLN, MERCURY: DRIVER SEATBELT BUCKLE PRETENSIONER DEPLOYMENT CONTROL CIRCUIT
POST UPDATED IN May, 2023
B1212 FORD, LINCOLN, MERCURY: DRIVER SEATBELT BUCKLE PRETENSIONER DEPLOYMENT CONTROL CIRCUIT
The RCM (Restraints Control Module) monitors the resistance of the deployment loop to check for possible malfunctions. The PID shows a value which is the result of the deployment loop resistance. The RCM measures this value. If this value increases or decreases, it indicates a malfunction. Conditions produced by road vibrations or harness movement cause small resistance changes, which produces intermittent failures. It is something that should be considered when performing diagnostics or repairs.
The B1212 OBDII diagnostic code is stored by the RCM when the driver’s seat belt pretensioner does not meet factory specifications.
DTC B1212 OBD2 is set by the following reasons:
To troubleshoot the B1212 OBDII fault code, try this: