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Home >> Jeep >> 2023 >> Grand Cherokee Altitude, AWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 83 (8P75PH Automatic Transmission - DTCS P0219-00 To P07E4-00) >> DTC Troubleshooting >> P0669-00-Control Module Internal Temperature Sensor 1 Circuit High >> Possible Causes

Possible Causes

WARNING: This page is about a different variant/trim than selected.
Possible Causes
INCORRECT TRANSMISSION FLUID LEVEL
CASE VENT PLUGGED OR DAMAGED
TRANSMISSION COOLER AIRFLOW IS COMPROMISED
RESTRICTION IN TRANSMISSION COOLING SYSTEM
TRANSMISSION CONTROL MODULE (TCM) SOFTWARE
TRANSMISSION CONTROL MODULE (TCM) ASSEMBLY

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