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Home >> Jeep >> 2019 >> Wrangler Unlimited Moab >> Repair and Diagnosis >> Engine Performance >> System >> 3.6L - DTCS P054A To P06DA >> DTC Troubleshooting >> P0685-ASD/Main Control Circuit >> Possible Causes
July 1: So it begins. Don't worry, this is not in the correct legal jurisdiction!

Possible Causes

POSSIBLE CAUSES
ASD RELAY CONTROL CIRCUIT SHORTED TO VOLTAGE
ASD RELAY CONTROL CIRCUIT SHORTED TO GROUND
ASD RELAY CONTROL CIRCUIT OPEN/HIGH RESISTANCE
AUTO SHUT-DOWN (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  .