Test I: DTC C1991 - Module Calibration Failure

Pinpoint Test I: DTC C1991 - Module Calibration Failure
Refer to Vehicle/Diagrams, Vehicle Dynamic Systems for schematic and connector information.

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.
^ DTC C1991 Module Calibration Failure - If the calibration procedure does not finish or if the ABS module looses the calibration information, DTC C1991 will be set.

This pinpoint test is intended to diagnose the following:
^ ABS module
^ Stability control sensor cluster
^ Steering wheel rotation sensor

I1-I4: