2009 Jeep Compass Sport, 2.4 B, ED3, FWD, StandardFACTORY OEM SERVICE PROCEDURE

Diagnostic Test

  1. DTC STATUS IS ACTIVE 
    1. Ignition on, engine not running.
    2. With the scan tool, select View DTCs in the Wireless Control Module (WCM).

      Is the DTC status Active at this time?

      Yes 

      • Go to step  2

      No 

      • Go to step  4
  2. TIRE PRESSURE TRIGGER MODULE 
    1. Turn the ignition off.
    2. Replace the appropriate Tire Pressure Trigger Module in accordance with the Service Information.
    3. With the scan tool, clear DTCs in the Wireless Control Module (WCM).
    4. Test Drive the vehicle for a minimum of 10 minutes with vehicle speed greater than 15 mph (24 km/h).
    5. With the scan tool, select View DTCs in the Wireless Control Module (WCM).

      Does the DTC reset or is the status Active for this DTC?

      Yes 

      • Go to step  3

      No 

  3. WIRELESS CONTROL MODULE (WCM) 
    1. View repair.

      Repair 

  4. INTERMITTENT TIRE PRESSURE TRIGGER MODULE DTC 
    1. The conditions necessary to set this DTC are not present at this time.
    2. Using the wiring schematic as a guide, inspect the wiring and connectors relative to this circuit.
    3. Refer to any Technical Service Bulletins that may apply to this condition.
    4. With the scan tool, clear DTCs in the Wireless Control Module (WCM).
    5. Test Drive the vehicle for a minimum of 10 minutes with vehicle speed greater than 15 mph (24 km/h).
    6. With the scan tool, select View DTCs in the Wireless Control Module (WCM).

      Does the DTC reset or is the status Active for this DTC?

      Yes 

      • Return to the first step of this test and perform the diagnostic procedure.

      No 

Factory Service Tools

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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.

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