Test W: Right Seat Belt PRETENSIONER Circuit Open (DTC B1881): Description

Restraints Control Module (RCM) checks right seat belt pretensioner circuit for high resistance by monitoring RCM harness connector C423, terminals No. 20 (Green-Orange wire) and No. 21 (Black-Red wire). If RCM detects high resistance on either terminal, it will store Diagnostic Trouble Code (DTC) B1881 in memory and flash Code 4 on AIR BAG warning light.