Diagnostic Test
WARNING: This page is about a different car, the 2005 Jeep Grand Cherokee. However, it is still accessible from the selected car via links, so may be relevant.
- 1) RUN THE ACTUATOR DTC DETECTION TEST
With the scan tool, erase HVAC DTCs.
Turn the ignition off, wait 10 seconds, and then turn the ignition on.
With the scan tool, select System Tests and then select Actuator DTC Detection. When the test is complete, select View DTCs.
Repair
- Diagnose and repair the DTC(s). If multiple DTCs are present, diagnose and repair all short high DTCs before diagnosing short low DTCs. Refer to the DIAGNOSTIC CODE INDEX for a complete list of all HVAC related symptoms.