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 MANUALSJEEP2010LIBERTY SPORT, 4WD, PART TIMEREPAIR AND DIAGNOSISTRANSMISSIONAUTOMATIC TRANSPOWERTRAIN CONTROL MODULE (PCM) - ELECTRICAL DIAGNOSTICS - 42RLE AUTOMATIC TRANSMISSION
2010 Jeep Liberty Sport, 4WD, Part Time
Powertrain Control Module (Pcm) - Electrical Diagnostics - 42RLE Automatic Transmission
2010 Jeep Liberty Sport, 4WD, Part TimeSECTION Powertrain Control Module (Pcm) - Electrical Diagnostics - 42RLE Automatic Transmission
- Diagnostic Code Index
- DTC Troubleshooting
- P0122-TPS/App Circuit Low
- P0123-TPS/App Circuit High
- P0124-TPS/App Intermittent
- P0218-High Temperature Operation Activated
- P0562-Battery Voltage Low
- P0602-Control Module Programming Error/Not Programmed
- P0604-Internal Control Module Ram
- P0605-Internal Control Module ROM
- P0613-Internal Transmission Processor
- P0706-Transmission Range Sensor Rationality
- P0711-Transmission Temperature Sensor Performance
- P0712-Transmission Temperature Sensor Low
- P0713-Transmission Temperature Sensor High
- P0714-Transmission Temperature Sensor Intermittent
- P0716-Input Speed Sensor 1 Circuit Performance
- P0721-Output Speed Sensor Circuit Performance
- P0726-Engine Speed Input Circuit Range/Performance
- P0731-Gear Ratio Error In 1ST
- P0732-Gear Ratio Error In 2ND
- P0733-Gear Ratio Error In 3RD
- P0734-Gear Ratio Error In 4TH
- P0736-Gear Ratio Error In Reverse
- P0740-TCC Out Of Range
- P0750-LR Solenoid Circuit
- P0755-2/4 Solenoid Circuit
- P0760-Od Solenoid Circuit
- P0765-UD Solenoid Circuit
- P0841-LR Pressure Switch Rationality
- P0845-2/4 Hydraulic Pressure Test
- P0846-2/4 Pressure Switch Rationality
- P0868-Line Pressure Low
- P0869-Line Pressure High
- P0870-Od Hydraulic Pressure Test
- P0871-Od Pressure Switch Rationality
- P0882-TCM Power Input Low
- P0883-TCM Power Input High
- P0884-Power Up At Speed
- P0888-Transmission Relay Always Off
- P0890-Switched Battery
- P0891-Transmission Relay Always On
- P0897-Transmission Fluid Deteriorated
- P0933-Line Pressure Sensor Circuit Performance
- P0934-Line Pressure Sensor Circuit Low
- P0935-Line Pressure Sensor Circuit High
- P0944-Loss Of Hydraulic Pump Prime
- P0992-2/4/Od Hydraulic Pressure Test
- P1684-Battery Was Disconnected
- P1713-Restricted Manual Valve In T2 Range
- P1745-Transmission Line Pressure Too High For Too Long
- P1775-Solenoid Switch Valve Latched In TCC Position
- P1776-Solenoid Switch Valve Latched In LR Position
- P1790-Fault Immediately After Shift
- P1794-Speed Sensor Ground Error
- P1797-Manual Shift Overheat
- U0002 Can C Bus Off Performance
- U0100 Lost Communication With ECM/Pcm
- U0121 Lost Communication With Abs
- U0141-Lost Communication With IPM (FCM/TIPM)
- Standard Procedure
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.