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Home >> Dodge and Ram >> 2019 >> ProMaster City Base >> Repair and Diagnosis >> Engine Performance >> System >> 2.4L - DTCS P062C To P112E >> DTC Troubleshooting >> P0685-ASD/Main Control Circuit >> Possible Causes

Possible Causes

Possible Causes
ASD RELAY CONTROL CIRCUIT SHORTED TO VOLTAGE
ASD RELAY CONTROL CIRCUIT SHORTED TO GROUND
ASD RELAY CONTROL CIRCUIT OPEN
ASD RELAY
POWER DISTRIBUTION CENTER (PDC)
POWERTRAIN CONTROL MODULE (PCM)

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