Section 22 (Hybrid Control Processor Module (HCP) - DTCS P25BB-00 To P2B29-00)
WARNING: This page is about a different car, the 2025 Jeep Grand Cherokee. However, it is still accessible from the selected car via links, so may be relevant.
- DTC Troubleshooting
- P25BB-00 Regeneration Control Switch Circuit Low
- P25BC-00 Regeneration Control Switch Circuit High
- P2601-00 Electric Coolant Pump Control Circuit Performance/Stuck Off
- 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
- P2611-00 A/C Refrigerant Distribution Valve Control Circuit/Open
- P2612-00 A/C Refrigerant Distribution Valve Control Circuit Low
- P2613-00 A/C Refrigerant Distribution Valve Control Circuit High
- P26FD-00 A/C Compressor Internal Control Module Performance
- P29BB-00 Coolant Heater "A" Performance
- P2B28-00 Hybrid/EV Battery Pack Coolant Pump "A" 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
- P2B29-00 Hybrid/EV Battery Pack Coolant Pump "A" OVERSPEED /Air In System
- 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