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Home >> Jeep >> 2017 >> Wrangler Sahara, Automatic Trans >> Repair and Diagnosis >> Engine Performance >> System >> 3.6L - DTCS P0643 To P2122 >> Diagnosis And Testing >> P0685-Auto Shutdown Relay 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/HIGH RESISTANCE
LOSS OF POWERTRAIN CONTROL MODULE POWERS OR GROUNDS
ASD RELAY
POWERTRAIN CONTROL MODULE (PCM)

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

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