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
- With the scan tool, read Adaptive Cruise Control (ACC) Module DTCs and record on the repair order.
- With the scan tool, erase ACC DTCs.
- Turn the ignition off.
- Start the Engine.
- With the scan tool, read ACC DTCs.
Does the DTC return?
Yes
- Go To 2
No
- If the DTC can be erased without returning, no further repair is necessary, test complete.
- Perform the ADAPTIVE CRUISE CONTROL VERIFICATION TEST. Refer to STANDARD PROCEDURE .
- CHECK FOR ELECTRIC POWER STEERING (EPS) MODULE DTCS
- With the scan tool, read Electric Power Steering (EPS) Module DTCs and record on the repair order.
Are there any EPS DTCs present?
Yes
- Repair the EPS DTC(s). Refer to DIAGNOSTIC CODE INDEX, EPS .
No
- Go To 3
- With the scan tool, read Electric Power Steering (EPS) Module DTCs and record on the repair order.
- PERFORM THE EPS LEARN PROCEDURE
- With the scan tool, perform the EPS Learn Procedure.
- Perform the ADAPTIVE CRUISE CONTROL VERIFICATION TEST. Refer to STANDARD PROCEDURE .
Does the DTC return?
Yes
- Using the schematics as a guide, check the EPS Module pins, terminals, and connectors for corrosion, damage, or terminal push out. Pay particular attention to all power and ground circuits and repair as necessary. If no problems are found, replace and program the EPS Module in accordance with the Service Information. Refer to GEAR, REMOVAL .
No
- Test complete.