Diagnostic Test

2024 Jeep Grand Cherokee Altitude X, RWDSECTION Diagnostic Test
  1. READ AND RECORD DTCS AND ENVIRONMENTAL DATA - ERASE DTCS AND CHECK FOR DTC TO RETURN 
    1. With the scan tool, read DTCs in all Electronic Control Units (ECUs) and record on the repair order.
    2. With the scan tool, run a vehicle Scan Report, or record the Environmental Data related to the DTCs.
    3. With the scan tool, erase all DTCs.
    4. Turn the ignition off for a minimum of 10 seconds.
    5. Turn the ignition on.
    6. Using the recorded Environmental Data and the When Monitored Conditions, operate the vehicle in the conditions that set the DTC.
    7. With the scan tool, read DTCs.

      Did the DTC return?

      Yes 

      • Go To  2

      No 

  2. CHECK FOR APPLICABLE SOFTWARE UPDATES AND SERVICE BULLETINS 
    1. With a scan tool, check all electronic control modules for software updates that are related to the customer concern.
    2. Check for service bulletins that are related to the customer concern.

      Were any software updates or service bulletins applicable to the customer concern?

      Yes 

      • Perform the service procedure as necessary.
      • Perform the Night Vision Processing Module (NVPM) Verification Test. Refer to STANDARD PROCEDURE .

      No 

      • Replace the Night Vision Processing Module (NVPM) in accordance with the Service Information.
      • Perform the Night Vision Processing Module (NVPM) Verification Test. Refer to STANDARD PROCEDURE .
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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • You smell fuel, burning insulation, or see smoke.
  • Brakes feel soft, pull hard to one side, or make grinding noises.
  • The engine overheats, stalls repeatedly, or misfires under load.
  • You are missing required tools, torque specs, or safe lifting equipment.
  • You are not confident in the next step or safety outcome.