Tests AB: LFC 17/DTC B1878 - Driver Pretensioner Circuit Shorted to Battery or Ignition

AB1:

AB2:

AB3 - AB4:

AB5:

Normal Operation
The Restraints Control Module (RCM) monitors the circuit to the driver belt pretensioner. When the RCM detects a circuit short to battery or ignition it will set Lamp Fault Code (LFC) 17 and Diagnostic Test Code (DTC) B1878.

Possible Causes
A short to battery or ignition on the driver belt pretensioner circuit can be caused by:
^ a short to battery or ignition on circuit 30S-JA33 (RD/BU).
^ a short to battery or ignition on circuit 31S-JA33 (BK/BU).
^ a short to battery or ignition on the driver belt pretensioner.
^ an RCM internal concern.