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Home >> Jeep >> 2023 >> Grand Cherokee Altitude, AWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 66 (5.7L - DTCS P058A To P0632) >> DTC Troubleshooting >> P0602 Control Module Programming Error/Not Programmed >> Diagnostic Test

Diagnostic Test

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CONTROL MODULE PROGRAMMING ERROR 

NOTE:

Controller is programmed with generic software and will not allow the correct vehicle Powertrain management.

  1. With the scan tool.
  2. Record the vehicles controller part number.
  3. Select Use Controller Part Number under the Flash Tab.
  4. Flash the controller with the correct software.

    Verify the controller flashed successfully.

    Test Complete