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.
When Monitored And Set Conditions
For specific relay location and type, refer to FUSE - RELAY LOCATIONS AND TYPES, SPECIFICATIONS .
When Monitored:
This diagnostic runs continuously when the following conditions are met:
- With ignition key on.
- Battery voltage greater than 10.0 volts.
Set Conditions:
- No voltage sensed at the Powertrain Control Module (PCM) when the ASD relay is energized.
Default Actions:
- This is a non MIL fault.
- If the vehicle is equipped with the stop/start feature, the system will be disabled when this DTC is active.
| Possible Causes |
|---|
| FUSED B+ ASD SUPPLY CIRCUITS/FUSES |
| ASD RELAY OUTPUT CIRCUIT OPEN/HIGH RESISTANCE |
| ASD RELAY OUTPUT CIRCUIT SHORTED TO GROUND |
| TOTALLY INTEGRATED POWER MODULE (TIPM) |
| POWERTRAIN CONTROL MODULE (PCM) |
Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .
NO RELATED
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
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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.