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 MANUALSJEEP2024GRAND CHEROKEE L LIMITED, RWDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 40 (HYBRID CONTROL PROCESSOR MODULE (HCP) - DTCS P0C17-00 TO P0C74-00)
2024 Jeep Grand Cherokee L Limited, RWD
Section 40 (Hybrid Control Processor Module (HCP) - DTCS P0C17-00 To P0C74-00)
2024 Jeep Grand Cherokee L Limited, RWDSECTION Section 40 (Hybrid Control Processor Module (HCP) - DTCS P0C17-00 To P0C74-00)
WARNING: This page is about a different car, the 2024 Jeep Grand Cherokee. However, it is still accessible from the selected car via links, so may be relevant.
- DTC Troubleshooting
- P0C17-00-Drive Motor A Position Sensor 1 Not Learned
- P0C18-00-Drive Motor "B" Position Sensor Not Learned
- P0C19-00-Drive Motor A Torque Delivered Performance
- P0C1A-00-Drive Motor B Torque Delivered Performance
- P0C30-00-Hybrid Battery Pack State Of Charge High
- P0C39-00-Dc/Dc Converter Temperature Sensor 1 Performance
- P0C3E-00-Dc/Dc Converter Temperature Sensor 2 Performance
- P0C43-00-Hybrid Battery Pack Coolant Inlet Temperature Sensor Circuit Range/Performance
- P0C73-00-Motor Electronics Coolant Pump "A" Control Performance
- High Voltage Warning
- Theory Of Operation - WL PHEV Coolant Pumps
- Cooling System Architecture
- WL PHEV Coolant Pump Locations And Related DTCS
- Preliminary Diagnostic Checks
- Check For An Active Or Intermittent Condition
- Enabling Conditions And Possible Causes-Coolant Pumps
- Diagnostic Test- WL PHEV Coolant Pumps
- HV Verification Test
- P0C74-00-Motor Electronics Coolant Pump "B" Control Performance
- High Voltage Warning
- Theory Of Operation - WL PHEV Coolant Pumps
- Cooling System Architecture
- WL PHEV Coolant Pump Locations And Related DTCS
- Preliminary Diagnostic Checks
- Check For An Active Or Intermittent Condition
- Enabling Conditions And Possible Causes-Coolant Pumps
- Diagnostic Test- WL PHEV Coolant Pumps
- HV 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.