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Home >> Ford >> 2005 >> Excursion 6.0 P, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1142 (Vehicle Dynamic Systems) >> Diagnostic Tests >> Anti-Lock Control - Traction Control and Stability Assist >> Pinpoint Tests >> Pinpoint Test O: DTC C1991 - Module Calibration Failure >> Normal Operation
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Normal Operation

WARNING: This page is about a different car, the 2008 Ford RV Cutaway, 2008 Ford Econoline, 2008 Ford E450 Super Duty, and 2008 Ford Cutaway. However, it is still accessible from the selected car via links, so may be relevant.

The ABS module needs to be calibrated whenever a component specific to the roll stability control (RSC) system or electronic stability control (ESC) system is disconnected or a new component is installed. Calibration allows the ABS module to identify the "zero position" of the sensors so the system will operate correctly.

This pinpoint test is intended to diagnose the following: