All Segments Are On (No PCI Bus Message From TCM)
- Perform instrument cluster self-test and check for DTCs. See INSTRUMENT CLUSTER SELF-TEST under SELF-DIAGNOSTIC SYSTEM. If electronic shifter display passes segment check, go to next step. If electronic shifter display fails segment check, replace instrument cluster. See INSTRUMENT CLUSTER under REMOVAL & INSTALLATION.
- Using scan tool, check TCM for DTCs. See appropriate ELECTRONIC CONTROLS article in AUTOMATIC TRANSMISSIONS. Diagnose and repair as necessary.