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Home >> Chrysler >> 2021 >> Voyager LX, Gas >> Repair and Diagnosis >> Heating, Ventilation & A/C (HVAC) >> HVAC Control Systems >> (Rear Heating & Air Conditioning - Electrical Diagnostics) >> DTC Troubleshooting >> B1057-00-Rear Blend Temperature Door Travel Range Too Large- >> Possible Causes

Possible Causes

Possible Causes
RELATED DTCS PRESENT
(C322) REAR BLEND DOOR SIGNAL CIRCUIT OPEN OR HIGH RESISTANCE
(C322) REAR BLEND DOOR SIGNAL CIRCUIT SHORTED TO GROUND
(C322) REAR BLEND DOOR SIGNAL CIRCUIT SHORTED TO ANOTHER CIRCUIT
(C323) REAR BLEND DOOR SIGNAL RETURN CIRCUIT OPEN OR HIGH RESISTANCE
MODE DOOR STOPS
REAR MODE DOOR
REAR MODE DOOR ACTUATOR
HVACR MODULE

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