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Home >> Ford >> 2000 >> Contour SE, 2.5 L, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 1844 (Supplemental Inflatable Restraint System - F-150 & Mark LT) >> Diagnostic Tests >> Pinpoint Tests - Air Bag and Safety Belt Pretensioner Supplemental Restraint System (SRS) >> Pinpoint Tests >> Pinpoint Test H: LFC 14/DTC B1921 - Air Bag Diagnostic Monitor Ground Circuit Open >> Possible Causes

Possible Causes

WARNING: This page is about a different car, the 2007 Lincoln Mark LT and 2007 Ford Pickup. However, it is still accessible from the selected car via links, so may be relevant.

A resistance difference between the RCM ground and harness ground can be caused by:

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