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Home >> Ford >> 2002 >> Explorer 4.6 W, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 317 (Anti-Lock Brake System) >> Diagnosis And Testing >> Anti-Lock Control >> Pinpoint Test >> Pinpoint Test M: DTC C1991 - Module Calibration Failure >> Possible Causes
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Possible Causes

WARNING: This page is about a different car, the 2004 Mercury Monterey and 2004 Ford Freestar. However, it is still accessible from the selected car via links, so may be relevant.
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