TCM Message Mismatch
WARNING: This page is about a different car, the 2002 Dodge Grand Caravan, 2002 Dodge Caravan, 2002 Chrysler Voyager, and 2002 Chrysler Town & Country. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
After making any repairs, perform BODY VERIFICATION TEST under VERIFICATION TESTS.
Turn ignition on. Using scan tool, verify Transmission Control Module (TCM) is communicating along PCI Bus. If TCM is communicating on PCI Bus, replace instrument cluster. See ANALOG INSTRUMENT PANELS article. If TCM is not communicating on PCI Bus, go to PCI BUS COMMUNICATION FAILURE under COMMUNICATIONS.