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 MANUALSJEEP2023COMPASS ALTITUDEREPAIR AND DIAGNOSISENGINE PERFORMANCESYSTEM2.0L - DTCS P018D TO P025C
2023 Jeep Compass Altitude
2.0L - DTCS P018D To P025C
2023 Jeep Compass AltitudeSECTION 2.0L - DTCS P018D To P025C
- DTC Troubleshooting
- P018D-Fuel Pressure Sensor Circuit High
- P0192-Fuel Rail Pressure Sensor Circuit Low
- P0193-Fuel Rail Pressure Sensor Circuit High
- P0196-Engine Oil Temperature Sensor Performance
- P0197-Engine Oil Temperature Sensor Circuit Low
- P0198-Engine Oil Temperature Sensor Circuit High
- P0201-Fuel Injector 1 Circuit/Open
- P0202-Fuel Injector 2 Circuit/Open
- P0203-Fuel Injector 3 Circuit/Open
- P0204-Fuel Injector 4 Circuit/Open
- P0221-Throttle Position Sensor 2 Circuit Performance
- P0222-Throttle Position Sensor 2 Circuit Low
- P0223-Throttle Position Sensor 2 Circuit High
- P023A-Charge Air Cooler Coolant Pump "A" Control Circuit/Open
- P023B-Charge Air Cooler Coolant Pump "A" Control Circuit Low
- P023C-Charge Air Cooler Coolant Pump "A" Control Circuit High
- P0244-Turbocharger/Supercharger WASTEGATE Actuator "A" Range/Performance
- P0245-Turbocharger WASTEGATE Control Circuit Low
- P0246-Turbocharger WASTEGATE Control Circuit High
- P025A-Fuel Pump Module Control Circuit Open
- Notes
- Known Issues - FPCM System
- FPCM System Operation
- Functional Description- Fuel Pump Control Module (FPCM) And Fuel Pump
- Functional Description - Powertrain Control Module (Pcm)
- Technical Data-Fuel System Pressure Specifications
- Set Condition
- Default Action
- Possible Causes
- Diagnostic Overview-Fuel Pump Control Module
- Preliminary Diagnostic Checks
- Check For An Active Or Intermittent Condition
- Diagnostic Test - FPCM System Command Circuit Faults (P025A, P027A)
- Diagnostic Test - Complete Fuel Pump Control Module System Testing (Not DTC Specific)
- Powertrain Verification Test
- P025B-Fuel Pump Module Control Circuit Performance
- Notes
- Known Issues - FPCM System
- FPCM System Operation
- Functional Description- Fuel Pump Control Module (FPCM) And Fuel Pump
- Functional Description - Powertrain Control Module (Pcm)
- Technical Data-Fuel System Pressure Specifications
- Set Condition
- Default Action
- Possible Causes
- Diagnostic Overview-Fuel Pump Control Module
- Preliminary Diagnostic Checks
- Check For An Active Or Intermittent Condition
- Diagnostic Test - Fuel Pump Control Performance Faults (P025B, P027B, P062A, P064A, P26EA)
- Powertrain Verification Test
- P025C-Fuel Pump Module Control Circuit Low
- Notes
- Known Issues - FPCM System
- FPCM System Operation
- Functional Description- Fuel Pump Control Module (FPCM) And Fuel Pump
- Functional Description - Powertrain Control Module (Pcm)
- Technical Data-Fuel System Pressure Specifications
- Set Condition
- Default Action
- Possible Causes
- Diagnostic Overview-Fuel Pump Control Module
- Preliminary Diagnostic Checks
- Check For An Active Or Intermittent Condition
- Diagnostic Test - FPCM System Voltage Low And High (P025C, P025D, P027C, P027D)
- Powertrain Verification Test
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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.