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.
2012 Jeep Liberty 2WD V6-3.7LFACTORY OEM SERVICE PROCEDURE
Transmission Control Systems: Testing and Inspection
PRNDL FAULT CLEARING PROCEDURE
1. With the scan tool, erase Transmission DTCs.
2. Cycle the ignition off, then start the vehicle.
3. Firmly apply the brakes and shift into Overdrive.
NOTE: Vehicle must remain in Overdrive for at least 3.0 seconds.
4. With the brakes firmly applied, shift slowly through all gears (PRNDL) as least three times, pausing momentarily in each gear.
NOTE: If all the PRNDL lights box individually then the error was cleared.
5. Shift into park and turn the ignition off to the lock position.
6. With the ignition on, engine not running, using the scan tool, read DTCs.
Does the DTC P0706 reset, or do all the PRNDL indicators remain boxed in park or neutral?
Yes
- Perform the diagnostic procedure for P0706-TRANSMISSION RANGE SENSOR RATIONALITY.
No
- Test Complete.
- Perform 42RLE TRANSMISSION VERIFICATION TEST. 42RLE Transmission Verification Test
Factory Service Tools
Use the Manual With the Right Hardware
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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.