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Home >> Jeep >> 2017 >> Renegade Trailhawk >> Repair and Diagnosis >> External Pages >> Different car >> Section 162 ((Active Cruise Control (Acc) Module - Electrical Diagnostics)) >> DTC Troubleshooting >> C1425-45-Flashed SW In Ecu Not Compatible - Program Memory Failure >> Diagnostic Test

Diagnostic Test

WARNING: This page is about a different car, the 2016 Jeep Renegade. However, it is still accessible from the selected car via links, so may be relevant.
  1. CHECK FOR AN ACTIVE DTC 
    1. With the scan tool, read ACC Module DTCs and record on the repair order.

      Is the DTC active?

      Yes 

      • Go To  2

      No 

      • Erase the DTC and verify proper operation of the ACC system.
      • Perform the ADAPTIVE CRUISE CONTROL VERIFICATION TEST. Refer to STANDARD PROCEDURE .
  2. ACC MODULE SOFTWARE UPDATE 
    1. With the scan tool, update the controller software.
    2. With the scan tool, erase ACC Module DTCs.
    3. Turn the ignition off.
    4. Turn the ignition on.
    5. With the scan tool, read ACC Module DTCs.

      Did the DTC return?

      Yes 

      • Using the schematics as a guide, check the ACC 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 ACC Module in accordance with the Service Information. Refer to MODULE, ADAPTIVE CRUISE CONTROL, REMOVAL AND INSTALLATION .
      • Perform the ADAPTIVE CRUISE CONTROL VERIFICATION TEST. Refer to STANDARD PROCEDURE .

      No 

      • Test complete.
      • Perform the ADAPTIVE CRUISE CONTROL VERIFICATION TEST. Refer to STANDARD PROCEDURE .