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.
- Check engine light: Yes
- Emissions related: No
- Repair difficulty: hard
Common causes
Ordered by how often each turns out to be the cause.
- Inverter internal faultCommon
- Sensor element aged beyond calibration windowLess likely
- Sensor mounting loose - signal dampingLess likely
Parts involved
- Inverter
- Traction Motor
P0364 is a generic OBD-II code defined by SAE J2012. Exact wording and diagnostic procedure vary by manufacturer and model. Code definitions are drawn from the public-domain OBDex dataset; the workshop notes are our own.