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Home >> Jeep >> 2023 >> Wagoneer Carbide, RWD >> Repair and Diagnosis >> Heating, Ventilation & A/C (HVAC) >> HVAC Control Systems >> Heating And Air Conditioning (ATC) - DTCS B1030-11 To B1053-77 >> DTC Troubleshooting >> B103B-87 2ND Row Mode Door 1 Control-Missing Message >> Possible Causes

Possible Causes

Possible Causes
FAULTY MODE DOOR ACTUATOR WIRING
MODE DOOR ACTUATOR
HVAC CONTROL

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

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