Test U: Left PRETENSIONER Circuit Short To Battery (DTC B1878): Notes
WARNING: This page is about a different car, the 2004 Ford Ranger. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
Before proceeding, see AIR BAG SAFETY PRECAUTIONS
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If ignition switch is placed in ON or START position with either seat belt pretensioner electrical connector disconnected, an open circuit fault will be set.
If ignition switch is placed in ON or START position with either seat belt pretensioner electrical connector disconnected, an open circuit fault will be set.