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HOMESERVICE MANUALSJEEP2009COMPASS LIMITED, ED3, AWD, AUTOMATIC CVTREPAIR AND DIAGNOSIS (SINGLE PAGE)ACCESSORIES & EQUIPMENTCOMMUNICATION DEVICESDTCS B2368 TO P1288 - TIPMC1078-TIRE REVOLUTIONS RANGE PERFORMANCEDIAGNOSTIC TEST
2009 Jeep Compass Limited, ED3, AWD, Automatic CVT

Diagnostic Test

2009 Jeep Compass Limited, ED3, AWD, Automatic CVTSECTION Diagnostic Test
  1. ANTI-LOCK BRAKE SYSTEM (ABS) MODULE DTCS PRESENT 
    NOTE: Check vehicle history for mismatched tire size, mini spare, and or incorrect tire size.
    1. Ignition on, engine not running.
    2. With the scan tool, select View DTCs in the ABS Module.

      Are there any ABS DTCs present?

      Yes 

      • Refer to the symptom list and perform any ABS DTC diagnostic procedures before continuing with this test.

      No 

      • Go to step  2
  2. CHECK FOR A DTC C1078-TIRE REVOLUTIONS RANGE PERFORMANCE 
    NOTE: This DTC must be active for the results of this test to be valid.
    1. Turn the ignition on.
    2. With the scan tool, read and record DTCs.
    3. With the scan tool, erase DTCs.
    4. Cycle the ignition switch from off to on.
    5. With the scan tool, read and record DTCs.

      Does the scan tool display: C1078-TIRE REVOLUTIONS RANGE PERFORMANCE?

      Yes 

      • Go to step  3

      No 

      • Go To step  5
  3. INCORRECT VALUE PROGRAMMED INTO TIPM 
    TIRE SIZE BODY STYLE ENGINE SIZE SALES CODE TIRE CIRCUMFERENCE
    P205/70R 16 BSW Good Year All Season MK ALL TLB 2112mm (83in)
    P215/60R 17 BSW Continental Summer Performance MK ALL TMQ 2115mm (83in)
    P215/55R 18 BSW Continental Summer Performance MK ALL TMZ 2117mm (83in)
    P215/65R 17 OWL Good Year All Terrain MK ALL TRX 2117mm (83in)
    P215/60R 17 BSW Firestone AS Touring MK ALL TTU 2087mm (82in)
    P215/55R 18 BSW Firestone AS Performance MK ALL TT1 2115mm (83in)
    1. Verify the correct tire/wheel information is programmed in the TIPM.

      Is the correct value programmed in the TIPM according to the chart?

      Yes 

      • Go to step  4

      No 

  4. CHECK WHEEL SPEED SENSOR SIGNALS 
    1. Turn the ignition on.
    2. With the scan tool, monitor and graph ALL the Wheel Speed Sensor speeds and compare graph while an assistant drives the vehicle.
      NOTE: If graph shows periodic dropouts pay close attention to the tone wheel.
    3. Slowly accelerate as straight as possible from a stop to 40 km/h (25 mph).

      Are all the Wheel Speed Sensors reading the same?

      Yes 

      No 

  5. INTERMITTENT WIRING AND CONNECTORS 
    1. The conditions necessary to set this DTC are not present at this time.
    2. Using the schematics as a guide, inspect the wiring and connectors specific to this circuit.
    3. Wiggle test the wiring harness and connectors while checking for shorted and open circuits.
    4. Using the scan tool, monitor the data related to this circuit while performing the wiggle test. Look for the data to change or for the DTC to reset.

      Were there any problems found?

      Yes 

      No 

      • Test Complete.
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.