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Home >> Jeep >> 2025 >> Grand Cherokee Altitude, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 107 (Hybrid Control Processor Module (HCP) - DTCS P0D92-00 To P0E5F-00) >> DTC Troubleshooting >> P0E19-00 Hybrid/EV Battery Pack Coolant Heater "B" Control Performance >> Possible Causes

Possible Causes

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.
Possible Causes
BATTERY COOLANT LOOP CONCERNS
POOR HV HARNESS CONNECTIONS TO BATTERY COOLANT HEATER
WEAK POWER OR GROUND TO BATTERY COOLANT HEATER
BATTERY COOLANT HEATER

Always perform the PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE before proceeding. Refer to  PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE  . 

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