Reading and Clearing Diagnostic Trouble Codes

Instrument Cluster (IC) Self-Diagnostic Mode

To enter the IC self-diagnostic mode with the ignition key in the OFF position, press and hold the odometer/trip reset button for the base cluster or the SELECT and RESET message center switch buttons for the message center cluster. Turn the key to the RUN position and hold until the display indicates test (base cluster) or ENGINEERING TEST MODE (message center cluster), usually within 3 to 5 seconds. Press the odometer/trip reset button (base cluster) or the Select button (message center cluster) once to advance through each stage of the self-test. To exit the IC self-test mode, turn the ignition to the OFF position. If no DTCs related to the concern are retrieved, GO to Symptom Chart. Instrumentation, Message Center, and Warning Chimes

IC Self-Diagnostic Mode