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HOMESERVICE MANUALSJEEP2024GRAND CHEROKEE L LIMITED, RWDREPAIR AND DIAGNOSISSUSPENSIONSUSPENSION CONTROL SYSTEMSAIR SUSPENSION CONTROL MODULE (ASCM) - DTCS C008E-00 TO C1522-37DTC TROUBLESHOOTINGC1522-36-RIGHT FRONT RIDE HEIGHT SENSOR-SIGNAL FREQUENCY TOO LOWDIAGNOSTIC TEST
2024 Jeep Grand Cherokee L Limited, RWD

Diagnostic Test

2024 Jeep Grand Cherokee L Limited, 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. For future reference, with the scan tool, run and save a vehicle Scan Report and all related recorded data.
    3. With the scan tool, erase all DTCs.
    4. Turn the ignition off for a minimum of 10.0 seconds.
    5. Turn the ignition on.
    6. Using the When Monitored and Set Conditions above and recorded data, 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. VERIFY CORRECT HEIGHT SENSOR PART NUMBER IS BEING USED FOR THE VEHICLE 
    1. Verify the installed Height Sensor is the correct part number for the Vehicle Model and Year.

      Is the correct height sensor installed?

      Yes 

      • Go to  3

      No 

  3. CHECK FOR ANY DAMAGED WIRING, CONNECTORS OR COMPONENTS 
    1. Using the wiring diagrams as a guide, visually inspect the related wiring harness and check for the following:
      • Proper wiring harness routing.
      • Chafed, pierced, pinched or open wiring harness insulation.
      • Partially broken wires.
      • Wiring or wiring strands broken inside of the insulation.
    2. Disconnect all the related module, component and in-line wiring harness connectors and perform the following steps:
      • Visually inspect the connector casings, locks, and weather-proof seals for any damage or water intrusion.
      • Visually inspect for broken, bent, pushed out, or corroded terminals.
      • Visually inspect the connectors and terminals for overheating due to a poor connection (terminals may be discolored due to excessive current draw).
      • Verify the terminals in the connectors are fully seated into the connector/component and properly locked into position.
      • Inspect the male and female connector terminals for proper terminal tension (drag test).
      • Connect all the related module, component and in-line wiring harness connectors and verify they are fully seated.
    3. Repair any damaged wiring, connectors or components that may have been found

      Is the DTC still Active?

      Yes 

      • Go to  4

      No 

  4. REPLACE THE RIGHT FRONT RIDE HEIGHT SENSOR 
    1. Replace the Right Front Ride Height Sensor in accordance with the Service Information. Refer to HEIGHT SENSOR - FRONT .
    2. With the scan tool, erase the DTCs in the ASCM.
    3. Drive the Vehicle above 25 mph (40 kph) for at least one minute
    4. With the scan tool, read the DTCs in the ASCM.

      Does the DTC remain active after replacing the Sensor?

      Yes 

      No 

      • Test complete, the condition or conditions that originally set this DTC are not present at this time.
RENDER: 1.0x

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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.