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Home › Dodge and Ram › 2021 › Durango SRT › Repair and Diagnosis › Engine Performance › System › 6.4L - DTCS P0521 To P1573 › DTC Troubleshooting › P0685-ASD/Main Control Circuit › Set Condition

Set Condition

The Powertrain Control Module (PCM) determines that the ASD Relay is stuck on.

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