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Home >> Jeep >> 2023 >> Grand Wagoneer Base >> Repair and Diagnosis >> Transmission >> Transfer Case >> Drivetrain Control Module (DTCM) - DTCS C00A7-12 To C147B-64 >> DTC Troubleshooting >> C1406-13-Transfer Case Brake Control-Circuit Open >> Possible Causes

Possible Causes

Possible Causes
MOTOR BRAKE SUPPLY CIRCUIT OPEN/HIGH RESISTANCE
MOTOR BRAKE RETURN CIRCUIT OPEN/HIGH RESISTANCE
SHIFT MOTOR
DRIVETRAIN CONTROL MODULE (DTCM)

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

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