Diagnostic Test
WARNING: This page is about a different car, the 2013 Dodge Avenger and 2013 Chrysler 200. However, it is still accessible from the selected car via links, so may be relevant.
- VERIFY DIAGNOSTIC TROUBLE CODE (DTC) IS ACTIVE NOTE:
Make sure the IOD fuse is installed and 12-volt battery voltage is between 10 and 16 Volts before proceeding.
- Using the scan tool, read active HVAC DTCs.
Is this DTC active?
Yes
- Refer to DIAGNOSIS AND TESTING and perform the diagnostic procedure for U0155-Lost Communication With Cluster/CCN.
No
- Refer to DIAGNOSIS AND TESTING and perform the Stored Lost Communication DTC diagnostic procedure.
- Using the scan tool, read active HVAC DTCs.