Safety Warning

DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.

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HOMESERVICE MANUALSJEEP2011LIBERTY LIMITED, 4WD, PART TIMEREPAIR AND DIAGNOSISTRANSMISSIONTRANSMISSION CONTROL SYSTEMS(TRANSMISSION CONTROL MODULE (TCM) - ELECTRICAL DIAGNOSTICS)DTC TROUBLESHOOTINGP0714-TRANSMISSION TEMPERATURE SENSOR INTERMITTENTDIAGNOSTIC TEST

2011 Jeep Liberty Limited, 4WD, Part Time

Diagnostic Test

2011 Jeep Liberty Limited, 4WD, Part TimeSECTION Diagnostic Test

CHECK WIRING AND CONNECTORS
1. Ignition on, engine not running.
2. With the scan tool, monitor the Transmission Temperature.
3. Apply the parking brake.
4. With the brakes firmly applied, place the gear selector in Drive.
5. While monitoring the scan tool, wiggle the wires and connectors from the TCM to the Electrohydraulic Control Unit.
  Did the transmission temperature fluctuate while wiggling the wires?
  
  Yes
  - Repair the wiring and/or connectors as necessary.
  - Perform NAG1 TRANSMISSION VERIFICATION TEST. Refer to Standard Procedure .
  No
  - Go to 2.
CHECK IF DTC RESETS
1. Replace the Transmission Temperature Sensor - P/N Switch in accordance with the Service Information.
2. Perform NAG1 TRANSMISSION VERIFICATION TEST. Refer to Standard Procedure .
3. With the scan tool, read Transmission DTCs.
  Did DTC P0714 reset?
  
  Yes
  - Using the schematics as a guide, check the Transmission Control Module (TCM) terminals 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 NAG1 TRANSMISSION VERIFICATION TEST. Refer to Standard Procedure .
  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.