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Home >> Mercury >> 2010 >> Milan Base, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 937 (Supplemental Inflatable Restraint System) >> Diagnostic Tests >> Pinpoint Tests - Air Bag and Safety Belt Pretensioner Supplemental Restraint System (SRS) >> Pinpoint Tests >> Pinpoint Test F: DTC B1891 - Air Bag Tone Warning Indicator Circuit Short to Battery >> Possible Causes

Possible Causes

WARNING: This page is about a different car, the 2007 Mercury Mariner and 2007 Ford Escape. However, it is still accessible from the selected car via links, so may be relevant.

An air bag tone warning indicator circuit short to battery or ignition can be caused by: