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.
2021 Jeep Compass TrailhawkFACTORY OEM SERVICE PROCEDURE
2.4L - DTCS P1048 To P1D68
- DTC Troubleshooting
- P1048-Cylinder 2 Oil Supply Solenoid Valve OVERCURRENT
- P1049-Cylinder 3 Oil Supply Solenoid Valve Voltage Out Of Range
- P104A-Cylinder 3 Oil Supply Solenoid Valve OVERCURRENT
- P104B-Cylinder 4 Oil Supply Solenoid Valve Voltage Out Of Range
- P104C-Cylinder 4 Oil Supply Solenoid Valve OVERCURRENT
- P1061-Cylinder 1 Oil Supply Solenoid Valve Stuck
- P1062-Cylinder 2 Oil Supply Solenoid Valve Stuck
- P1063-Cylinder 3 Oil Supply Solenoid Valve Stuck
- P1064-Cylinder 4 Oil Supply Solenoid Valve Stuck
- P1065-Cylinder 1 Solenoid Valve Switch On Time Out Of Range
- P1066-Cylinder 1 Oil Supply Solenoid Valve Switch Off Time Out Of Range
- P1067-Cylinder 2 Oil Supply Solenoid Valve Switch On Time Out Of Range
- P1068-Cylinder 2 Oil Supply Solenoid Valve Switch Off Time Out Of Range
- P1069-Cylinder 3 Oil Supply Solenoid Valve Switch On Time Out Of Range
- P106A-Cylinder 3 Oil Supply Solenoid Valve Switch Off Time Out Of Range
- P106B-Cylinder 4 Oil Supply Solenoid Valve Switch On Time Out Of Range
- P106C-Cylinder 4 Oil Supply Solenoid Valve Switch Off Time Out Of Range
- P1115-General Temperature Rationality
- P1128-Closed Loop Fueling Not Achieved - Bank 1 Upstream
- P112A-O2 Sensor 1/1 Pumping Undercurrent
- P112B-O2 Sensor 1/1 Pumping OVERCURRENT
- P112E-O2 Sensor 1/1 Performance
- P1185-General Pressure Sensor Correlation
- P1212-Engine Oil Temperature High - Rpm Limited
- P1239-Engine Oil Temperature Too Low
- P1300-Crankshaft Position Learn Out Of Range
- P141B-Starter Control 1 Circuit Performance
- P141C-Starter Control 2 Circuit Performance
- P141D-Starter Relay Feedback Open Circuit Performance
- P1456-Fuel Tank Pressure Sensor Circuit Low
- P1457-Fuel Tank Pressure Sensor Circuit High
- P1495-Left Front SEATBELT Switch Circuit High
- P1496-Left Front SEATBELT Switch Circuit Low
- P1500-Ecu Configuration Mismatch
- P1523-VVA Low Oil Pressure
- P152C-Engine Hood Switch 2 Circuit Range/Performance
- P152E-Engine Hood Switch 2 Circuit High
- P152F-Engine Hood Switch 2 / Engine Hood Switch 1 Correlation
- P1572-Brake Pedal Stuck On
- P1573-Brake Pedal Stuck Off
- P1593-Speed Control Switch 1/2 Stuck
- P1609-Internal Control Module Engine Oil Temperature Performance
- P1618-Sensor Reference Voltage 1 Erratic
- P1621-O2 Sensor Reference Voltage Circuit Low
- P1622-O2 Sensor Reference Voltage Circuit High
- P1628-Sensor Reference Voltage 2 Erratic
- P1696-EEPROM Memory Write Denied Invalid
- P1697-EMR (Sri) Mileage Not Stored
- P1718-EEPROM Integrity Failure
- P1946-00-Fire Prevention System: Crash Event Detected
- P1CEC-Variable Valve Solenoid Valve Cold Start Closing Position 1 Timing Over-Retard
- P1CED-Variable Valve Timing Solenoid Valve Cold Start Closing Position Timing Over-Advance
- P1CEE-Variable Valve Solenoid Valve Cold Start Closing Position Timing Over-Retard
- P1D65-Cylinder 1 Oil Supply Solenoid Valve Performance
- P1D66-Cylinder 2 Oil Supply Solenoid Valve Performance
- P1D67-Cylinder 3 Oil Supply Solenoid Valve Performance
- P1D68-Cylinder 4 Oil Supply Solenoid Valve Performance
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.
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