HEC Dealer Test Mode

1. 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.
2. The SELECT/RESET button must be released within three seconds of the odometer tESt display to begin the dealer test mode.
3. 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.
4. 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. Symptom Related Diagnostic Procedures