P0364 — DC/AC Converter Control Module Control Circuit Range/Performance
The control circuit for the DC/AC converter (used in plug-in hybrid and EV traction systems to convert DC battery voltage to 3-phase AC for the motor) reports a performance issue. This is part of the high-voltage drivetrain.
General code reference. Confirm the definition and diagnostic procedure for your vehicle's year, model and engine. A stored code alone does not identify a failed part.
Affected components
- Inverter
- Traction motor
Possible causes to check
These are possible checks, not a ranked diagnosis. Follow the vehicle manufacturer's test procedure before replacing parts.
- Inverter internal fault
- Sensor element aged beyond calibration window
- Sensor mounting loose - signal damping
Diagnostic notes
- The malfunction indicator lamp may illuminate
- Reduced-power or limp mode may occur
Sources
Check each reference's vehicle and model-year scope. General background links do not establish which fault is most likely on your vehicle.
Diagnostic information is provided for reference only. Confirm the code with a compatible scan tool and follow the vehicle manufacturer's service procedures before replacing components.