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Home >> Ford >> 2007 >> Edge SE, AWD >> Repair and Diagnosis >> Brakes >> Traction Control >> Anti-Lock Brake System >> Diagnostic Tests >> Anti-Lock Control >> Pinpoint Tests >> Pinpoint Test I: DTC C1991 - Module Calibration Failure >> Normal Operation
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Normal Operation

The ABS module must be calibrated whenever a component specific to the roll stability control (RSC) system is disconnected or a new component is installed.

Possible Causes