Grand Cherokee 2WD V8-4.7L VIN J (2004)
Control Module: Testing and Inspection
ELECTRONIC PINION FACTOR WARNINGS (IF APPLICABLE)
The pinion factor must be set when replacing the TCM. Note: The pinion factor is a fixed number and cannot be changed or updated in some vehicle
applications. If the pinion factor is not set or incorrectly set, any speed related functions will not operate correctly i.e. speedometer, speed control,
rolling door locks, other control modules will be affected that depend on speed information.
