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Home >> Jeep >> 2024 >> Wagoneer Carbide, RWD >> Repair and Diagnosis >> Heating, Ventilation & A/C (HVAC) >> HVAC Control Systems >> Rear Heating And Air Conditioning - DTCS B1052-12 To B108C-15 >> DTC Troubleshooting >> B1056-00 Rear Blend/Temperature Door Travel Range Too Small >> Possible Causes

Possible Causes

Possible Causes
HVAC-R WIRING HARNESS SHORT
HVAC-R OR LINKAGE FAILURE
REAR BLEND/TEMPERATURE DOOR (LEFT) BLOCKED OR OBSTRUCTED
ACTUATOR MECHANICAL FAILURE
HVAC-R MODULE

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

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