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Home >> Jeep >> 2019 >> Renegade Trailhawk >> Repair and Diagnosis >> External Pages >> Different car >> Section 1256 ((Final Drive Control Module (FDCM) - Electrical Diagnostics - 2500HD)) >> DTC Troubleshooting >> C1419 - Front Differential Control Circuit Open >> Possible Causes

Possible Causes

WARNING: This page is about a different car, the 2020 RAM 2500 HD. However, it is still accessible from the selected car via links, so may be relevant.
Possible Causes
FRONT LOCKER SOURCE CIRCUIT OPEN OR HIGH RESISTANCE
FRONT LOCKER RETURN CIRCUIT OPEN OR HIGH RESISTANCE
FRONT AXLE LOCKER ACTUATOR
FINAL DRIVE CONTROL MODULE (FDCM)

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

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