Diagnostic Test
WARNING: This page is about a different car, the 2012 RAM Pickup and 2012 RAM Cab & Chassis. 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 battery Voltage is between 10 and 16 Volts before proceeding.
- Turn the ignition on.
- Using a scan tool, read DTCs.
Is the DTC active?
Yes
- Go To 2.
No
- Refer to STORED LOST COMMUNICATION DTCS and perform the diagnostic procedure.
- VERIFY CCN IS COMMUNICATING WITH OTHER MODULES
- Using a scan tool, read DTCs in all modules.
Is any other module reporting a loss of communication with the CCN?
Yes
- Refer to COMMUNICATION - DIAGNOSIS AND TESTING and perform the No Response from CCN diagnostic procedure.
No
- Replace the Heated Seat Module (HSM) in accordance with the Service Information.
- Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .
- Using a scan tool, read DTCs in all modules.