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 MANUALSJEEP2023GRAND CHEROKEE TRAILHAWK 4XEREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT VARIANT/TRIMSECTION 52 (5.7L - DTCS P025D TO P0339)
2023 Jeep Grand Cherokee Trailhawk 4xe
Section 52 (5.7L - DTCS P025D To P0339)
2023 Jeep Grand Cherokee Trailhawk 4xeSECTION Section 52 (5.7L - DTCS P025D To P0339)
WARNING: This page is about a different variant/trim than selected.
- DTC Troubleshooting
- P025D Fuel Pump Module Control Circuit High
- 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
- P0298 Engine Oil Temperature Too High
- P0300 Multiple Cylinder Misfire
- P0301 Cylinder 1 Misfire
- P0302 Cylinder 2 Misfire
- P0303 Cylinder 3 Misfire
- P0304 Cylinder 4 Misfire
- P0305 Cylinder 5 Misfire
- P0306 Cylinder 6 Misfire
- P0307 Cylinder 7 Misfire
- P0308 Cylinder 8 Misfire
- P0325 Knock Sensor 1 Circuit
- P0327 Knock Sensor 1 Circuit Low
- P0328 Knock Sensor 1 Circuit High
- P032F Combustion Engine Producing Insufficient Torque
- P0330 Knock Sensor 2 Circuit
- P0332 Knock Sensor 2 Circuit Low
- P0333 Knock Sensor 2 Circuit High
- P0335 Crankshaft Position Sensor Circuit
- P0339 Crankshaft Position Sensor Intermittent
- P025D Fuel Pump Module Control Circuit High
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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.