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Home >> Jeep >> 2025 >> Grand Cherokee Altitude, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 110 (Hybrid Control Processor Module (HCP) - DTCS P1B02-00 To P1C64-00) >> DTC Troubleshooting >> P1B72-00 Electric Coolant Heater Temperature Outlet Sensor 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
HIGH TEMP COOLING LOOP LOW COOLANT/LEAKS
ELECTRIC COOLANT HEATER

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

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