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Home >> Jeep >> 2019 >> Grand Cherokee Laredo, AWD, Automatic T/Case Control >> Repair and Diagnosis >> External Pages >> Different car >> Section 47 ((Drivetrain Control Module (DTCM) - Electrical Diagnostics)) >> DTC Troubleshooting >> C1477-4B-Transfer Case Clutch - Over Temperature >> Possible Causes
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Possible Causes

WARNING: This page is about a different car, the 2018 Jeep Grand Cherokee. However, it is still accessible from the selected car via links, so may be relevant.
Possible Causes
VEHICLE BEING DRIVEN IN MUD, SAND, SNOW, ABUSIVE DRIVING, OR TESTING ON A 2WD DYNAMOMETER
LOW TRANSFER CASE FLUID LEVEL
TRANSFER CASE FLUID DEGRADED OR CONTAMINATED
(T315) SHIFT MOTOR CONTROL A CIRCUIT OPEN OR HIGH RESISTANCE
(T316) CIRCUIT OPEN OR HIGH RESISTANCE
TRANSFER CASE SHIFT MOTOR
TRANSFER CASE CLUTCH WORN
DRIVETRAIN CONTROL MODULE (DTCM)

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