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Home >> Ford >> 2006 >> Cutaway 6.0 P >> Repair and Diagnosis >> Brakes >> Traction Control >> Anti-Lock Brake System - Vehicle Dynamic Systems >> Diagnosis And Testing >> Anti-Lock Control >> Pinpoint Tests >> Pinpoint Test T: DTC C1991 >> Code Description

Code Description

Module Calibration Failure

The stability assist system needs to be calibrated whenever a component specific to the system is disconnected or a new component is installed.

Possible Causes