Generator Inverter Temperature Sensor B Circuit
What it means
The generator inverter temperature sensor B circuit has a fault the control module has flagged, without a more specific condition. The sensor reports the generator inverter temperature so the module can reduce power before it overheats.
Can I keep driving? Usually yes for a short, gentle trip, but heat can damage the battery or drive parts; if power drops or a warning shows, stop and get it checked. Do not open high-voltage (orange) cables or covers yourself; leave that to a trained technician.
What this part does
This sensor measures the temperature of the generator inverter, the power electronics unit that handles high-voltage electricity in a hybrid vehicle. The control system uses the reading to decide when cooling is needed and when to limit power so the electronics are not damaged by overheating. The components involved carry high voltage, so work on them is for trained people. A fault may bring a warning or reduced power.
Common symptoms
What you'll notice
- Decreased performance
- Loss of power or poor acceleration
- Warning light illuminates
Common causes
Most likely first
- Faulty generator
- Malfunctioning inverter or converter
- Defective temperature sensor
- Wiring or connection issues in the circuit
How to diagnose & fix
Work through it in order
- Replace the generator inverter temperature sensor
- Check and repair any loose or damaged wiring in the sensor circuit
- Clean or replace the sensor connector if there is corrosion or poor connection
- Inspect and repair any issues with the circuit or sensor ground connection
Related codes
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