Diagnostic Test
WARNING: This page is about a different car, the 2017 Jeep Cherokee. However, it is still accessible from the selected car via links, so may be relevant.
- CHECK FOR AN ACTIVE DTC
- Turn the ignition on.
- With the scan tool, read DTCs.
Does the scan tool display this DTC as active?
Yes
- Go To 2
No
- Test complete. The condition or conditions that originally set this DTC are not present at this time. Using the wiring diagrams as a guide, check all related splices and connectors for signs of water intrusion, corrosion, pushed out or bent terminals and correct pin tension.
- Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .
- CHECK THE LEFT LIFTGATE STOP LAMP
- Turn the ignition off.
- Disconnect the Left Liftgate Lamp harness connector.
- Turn the ignition on.
- With the scan tool, read DTCs.
Does the scan tool display this DTC as active?
Yes
- Go To 3
No
- Replace the Left Liftgate Lamp in accordance with the Service Information.
- Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .
- CHECK THE RIGHT LIFTGATE STOP LAMP
- Turn the ignition off.
- Disconnect the Right Liftgate Lamp harness connector.
- Turn the ignition on.
- With the scan tool, read DTCs.
Does the scan tool display this DTC as active?
Yes
- Go To 4
No
- Replace the Right Liftgate Lamp in accordance with the Service Information.
- Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .
- CHECK THE (L17) PARK LAMP DRIVER CIRCUIT FOR A SHORT TO GROUND
- Disconnect the BCM C6 harness connector.
- Measure the resistance between ground and the (L17) Park Lamp Driver circuit.
Is the resistance below 10K Ohms?
Yes
- Repair the short to ground in the (L17) Park Lamp Driver circuit.
- Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .
No
- Replace the BCM in accordance with the Service Information. Refer to MODULE, BODY CONTROL (BCM), REMOVAL .
- Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .