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Home >> Jeep >> 2022 >> Grand Cherokee L Laredo, RWD >> Repair and Diagnosis >> Heating, Ventilation & A/C (HVAC) >> HVAC Control Systems >> Heating & Air Conditioning (ATC) - DTCS B11C8-15 To B11E1-1C >> DTC Troubleshooting >> B11CB-11-Main Left Temperature Door 1 Control-Circuit Short To Ground >> Possible Causes

Possible Causes

Possible Causes
MAIN LEFT TEMPERATURE DOOR SIGNAL CIRCUIT SHORTED TO GROUND
12V REFERENCE SIGNAL CIRCUIT OPEN OR HIGH RESISTANCE
MAIN LEFT TEMPERATURE DOOR ACTUATOR
HVAC MODULE

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

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