Tachometer Checksum Failure
NOTE:
After making any repairs, perform BODY VERIFICATION TEST
under VERIFICATION TESTS.
Turn ignition on. Using scan tool, record and erase Body Control Module (BCM) DTCs. Turn ignition off. Wait 15 seconds. Turn ignition on. Recheck for DTCs. If TACHOMETER CHECKSUM FAILURE resets, replace instrument cluster. See ANALOG INSTRUMENT PANELS - CARAVAN, TOWN & COUNTRY, & VOYAGER article. If TACHOMETER CHECKSUM FAILURE does not reset, test is complete.