Diagnostic Test
WARNING: This page is about a different car, the 2014 Jeep Cherokee. However, it is still accessible from the selected car via links, so may be relevant.
- CHECK FOR AN ACTIVE DIAGNOSTIC TROUBLE CODE (DTC) NOTE:
Diagnose and repair any Radio DTCs before proceeding with this diagnostic procedure.
- Turn the ignition on.
- With the scan tool, read active DTCs.
Does the scan tool display this DTC as active?
Yes
- Go To 2
No
- The condition that caused this code to set is not present at this time. Check for an intermittent condition by inspecting the related wiring harness for chafed, pierced, pinched, and partially broken wires. Also inspect the related connectors for broken, bent, pushed out, spread, corroded, or contaminated terminals.
- Perform the BODY VERIFICATION TEST. Refer to STANDARD PROCEDURE .
- VERIFY THE RADIO IS ACTIVE ON THE CAN BUS
- With the scan tool, verify that the Radio is active on the bus.
Is the Radio active on the bus?
Yes
- Replace/update the module that set this DTC in accordance with the Service Information.
- Perform the BODY VERIFICATION TEST. Refer to STANDARD PROCEDURE .
No
- Refer to DIAGNOSIS AND TESTING and perform the NO RESPONSE FROM RADIO diagnostic procedure.
- Perform the BODY VERIFICATION TEST. Refer to STANDARD PROCEDURE .
- With the scan tool, verify that the Radio is active on the bus.