M

Pinpoint Test M: DTC C1991-Module Calibration Failure

Test M1:

Test M2 - M4:

NOTE: The stability assist lamp will flash when a system calibration is required. Calibration is required after certain DTCs are cleared.

NOTE: Make sure the vehicle is not on a hoist and is sitting on level ground before carrying out stability assist module calibration.

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

Possible Causes
^ ABS module
^ sensor cluster
^ steering position sensor