Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSDODGE AND RAM2023CHARGER SCAT PACKREPAIR AND DIAGNOSISENGINE PERFORMANCETESTING & DIAGNOSIS6.4L - DTCS P0645 TO P1621DTC TROUBLESHOOTINGP0685-ASD/MAIN CONTROL CIRCUITPOSSIBLE CAUSES
2023 Dodge and Ram Charger Scat Pack
Possible Causes
2023 Dodge and Ram Charger Scat PackSECTION Possible Causes
| POSSIBLE CAUSES |
|---|
| ASD RELAY COIL SUPPLY OPEN |
| ASD RELAY CONTROL CIRCUIT SHORTED TO VOLTAGE |
| ASD RELAY CONTROL CIRCUIT SHORTED TO GROUND |
| ASD RELAY CONTROL CIRCUIT OPEN/HIGH RESISTANCE |
| 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 .
RENDER: 1.0x
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.