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Home >> Jeep >> 2023 >> Grand Cherokee Altitude, AWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 30 (Hybrid Control Processor Module (HCP) - DTCS P0E34-00 To P1ABD-00) >> DTC Troubleshooting >> P149F-00 Cooling Fan Motor Blocked >> Possible Causes

Possible Causes

WARNING: This page is about a different variant/trim than selected.
Possible Causes
RADIATOR FAN MOTOR OBSTRUCTED
RADIATOR FAN PWM CIRCUIT OPEN
RADIATOR FAN PWM CIRCUIT SHORT TO GROUND
RADIATOR FAN ASSEMBLY
POWER INVERTER MODULE (PIM)

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