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Home >> Jeep >> 2020 >> Compass Trailhawk >> Repair and Diagnosis >> Engine Performance >> System >> 2.4L - DTCS P104D To P0140 >> DTC Troubleshooting >> B104D-Blend Door Control Circuit Low >> Possible Causes

Possible Causes

Possible Causes
HVAC TEMPERATURE DOOR ACTUATOR SIGNAL CIRCUIT SHORTED TO GROUND
HVAC TEMPERATURE DOOR ACTUATOR
LOSS OF HVAC MODULE POWERS AND GROUNDS

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

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