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 MANUALSJEEP2009PATRIOT LIMITED, ED3, FWD, AUTOMATIC CVTREPAIR AND DIAGNOSISTRANSMISSIONAUTOMATIC TRANS(TRANSMISSION CONTROL MODULE (TCM) - ELECTRICAL DIAGNOSTICS)DIAGNOSTIC CODE INDEX
2009 Jeep Patriot Limited, ED3, FWD, Automatic CVT
Diagnostic Code Index
2009 Jeep Patriot Limited, ED3, FWD, Automatic CVTSECTION Diagnostic Code Index
DIAGNOSTIC CODE INDEX
| DTC | Description |
|---|---|
| P0219 | ENGINE OVERSPEED |
| P0562 | BATTERY VOLTAGE LOW |
| P0563 | BATTERY VOLTAGE HIGH |
| P0571 | BRAKE SWITCH 1 PERFORMANCE |
| P0602 | CONTROL MODULE PROGRAMING ERROR/NOT PROGRAMMED |
| P0610 | ECU VEHICLE OPTIONS MISMATCH |
| P0641 | SENSOR REFERENCE VOLTAGE 1 CIRCUIT |
| P0707 | TRANSMISSION RANGE SENSOR CIRCUIT LOW |
| P0708 | TRANSMISSION RANGE SENSOR CIRCUIT HIGH |
| P0711 | TRANSMISSION TEMPERATURE SENSOR PERFORMANCE |
| P0712 | TRANSMISSION TEMPERATURE SENSOR LOW |
| P0713 | TRANSMISSION TEMPERATURE SENSOR HIGH |
| P0716 | INPUT SPEED SENSOR 1 CIRCUIT PERFORMANCE |
| P0717 | INPUT SPEED SENSOR 1 CIRCUIT NO SIGNAL |
| P0721 | OUTPUT SPEED SENSOR CIRCUIT PERFORMANCE |
| P0722 | OUTPUT SPEED SENSOR CIRCUIT NO SIGNAL |
| P0730 | INCORRECT GEAR RATIO |
| P0741 | TORQUE CONVERTER CLUTCH CIRCUIT PERFORMANCE |
| P0746 | LINE PRESSURE SOLENOID PERFORMANCE |
| P0776 | SECONDARY PRESSURE SOLENOID STUCK OFF (HIGH PRESSURE) |
| P0777 | SECONDARY PRESSURE SOLENOID STUCK ON (LOW PRESSURE) |
| P0826 | UP/DOWN SHIFT SWITCH CIRCUIT |
| P0842 | PRIMARY OIL PRESSURE SENSOR CIRCUIT LOW |
| P0843 | PRIMARY OIL PRESSURE SENSOR CIRCUIT HIGH |
| P0847 | SECONDARY OIL PRESSURE SENSOR CIRCUIT LOW |
| P0848 | SECONDARY OIL PRESSURE SENSOR CIRCUIT HIGH |
| P0962 | PRESSURE CONTROL SOLENOID A CONTROL CIRCUIT LOW |
| P0963 | PRESSURE CONTROL SOLENOID A CONTROL CIRCUIT HIGH |
| P0966 | PRESSURE CONTROL SOLENOID B CONTROL CIRCUIT LOW |
| P0967 | PRESSURE CONTROL SOLENOID B CONTROL CIRCUIT HIGH |
| P161B | BATTERY DISCONNECT / TCM INTERNAL |
| P1661 | SENSOR GROUND REFERENCE CIRCUIT |
| P1679 | CALIBRATION NOT LEARNED |
| P167A | CALIBRATION MISMATCH |
| P1702 | PRIMARY OIL PRESSURE SENSOR / SECONDARY OIL PRESSURE SENSOR CORRELATION |
| P1723 | LOCK UP / SELECT CONTROL CIRCUIT |
| P1729 | TRANSMISSION RATIO CONTROL CIRCUIT |
| P1744 | TORQUE CONVERTER LOCK-UP CLUTCH HEAT CONTROL |
| P198A | AWD SYSTEM PERFORMANCE |
| P2769 | TORQUE CONVERTER CLUTCH CIRCUIT LOW |
| P2770 | TORQUE CONVERTER CLUTCH CIRCUIT HIGH |
| U0001 | CAN C BUS |
| U0100 | LOST COMMUNICATION WITH ECM/PCM |
| U0121 | LOST COMMUNICATION WITH ANTILOCK BRAKE MODULE |
| U0141 | LOST COMMUNICATION WITH IPM (FCM/TIPM) |
| U1146 | LOST COMMUNICATION WITH EXTERNAL MEMORY |
| U1400 | IMPLAUSIBLE TPS SIGNAL RECEIVED |
| U1401 | IMPLAUSIBLE ENGINE SPEED SIGNAL RECEIVED |
| U1407 | IMPLAUSIBLE ENGINE TORQUE REQUEST SIGNAL RECEIVED |
| U140F | IMPLAUSIBLE ENGINE VARIANT DATA |
| U1410 | IMPLAUSIBLE FCM VARIANT DATA |
| U1412 | IMPLAUSIBLE VEHICLE SPEED SIGNAL RECEIVED |
| U1424 | IMPLAUSIBLE ENGINE TORQUE SIGNAL RECEIVED |
| U1425 | IMPLAUSIBLE PEDAL POSITION SIGNAL RECEIVED |
| U1426 | IMPLAUSIBLE TCC SLIP REQUEST SIGNAL RECEIVED |
| U1428 | RECEIVED ENGINE TORQUE REQUEST SIGNAL STUCK |
| U1429 | RECEIVED ENGINE TORQUE SIGNAL STUCK |
RENDER: 1.0x
NO RELATED
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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.