Test F: Ground Resistance Too High Or RCM Not Mounted To Vehicle Properly (DTC B1921): Description

Restraints Control Module (RCM) monitors resistance between ground connections at its housing and reference ground at RCM connector C310B, terminal No. 10. If RCM detects a difference in resistance, it will store Diagnostic Trouble Code (DTC) B1921 in memory and flash Code 14 on AIR BAG warning light.