Component Tests and General Diagnostics

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To enter the HEC Dealer Test Mode, depress and hold the instrument cluster SELECT/RESET button, turn the ignition switch to the RUN position, and then continue pressing the SELECT/RESET button (5 seconds) until test is displayed in the odometer. The SELECT/RESET button must be released within three seconds of the odometer test display to begin the dealer test mode. Depress the SELECT/RESET button to advance through the following steps until DTC is displayed. Depressing the SELECT/RESET button will display any stored continuous DTCs before proceeding to the next step.

Turn the ignition switch to the OFF position or press and hold the SELECT/RESET button for 3 or more seconds and release to exit HEC Dealer Test Mode. If no DTCs related to the concern are retrieved, proceed to the Symptom Chart to continue diagnostics. Diagnosis By Symptom - Instrument Cluster