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HOMESERVICE MANUALSJEEP2011COMPASS LIMITED, AWD, AUTOMATIC CVT, CVT3REPAIR AND DIAGNOSISTRANSMISSIONTRANSMISSION CONTROL SYSTEMS(TRANSMISSION CONTROL MODULE (TCM) - ELECTRICAL DIAGNOSTICS)DTC TROUBLESHOOTINGU1401-IMPLAUSIBLE ENGINE SPEED SIGNAL RECEIVEDDIAGNOSTIC TEST
2011 Jeep Compass Limited, AWD, Automatic CVT, CVT3

Diagnostic Test

2011 Jeep Compass Limited, AWD, Automatic CVT, CVT3SECTION Diagnostic Test
  1. CHECK IF THE DTC IS ACTIVE 
    1. With the scan tool, read Transmission DTCs.

      Is the status Active or is the Starts Since Set counter 2 or less for this DTC?

      Yes 

      • Go To  2.

      No 

      • Go To  4.
  2. CHECK FOR TIPM CAN BUS DTCS 
    1. With the scan tool, read TIPM DTCs.

      Are there any TIPM CAN BUS DTCs present?

      Yes 

      No 

      • Go To  3.
  3. CHECK IF ENGINE DTCS ARE PRESENT 
    1. With the scan tool, read engine DTCs.

      Are there any engine DTCs present?

      Yes 

      • Refer to the appropriate Diagnostic Code Index and perform the appropriate diagnostic procedure.
      • Perform the CVT VERIFICATION TEST. Refer to Standard Procedure .

      No 

      • Using the schematics as a guide, check the Transmission Control Module (TCM) pins, terminals, and connectors for corrosion, damage, or terminal push out. Pay particular attention to all power and ground circuits. If no problems are found, replace the TCM in accordance with the Service Information.
      • Perform the CVT VERIFICATION TEST. Refer to Standard Procedure .
  4. CHECK THE 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 the wires while checking for shorted and open circuits.

      Were there any problems found?

      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.