P0A18
Motor Torque Sensor Circuit Range/Performance
The drive motor torque sensor reports a circuit range/performance fault. Motor torque feedback is unreliable.
- Check engine light: Yes
- Emissions related: No
- Repair difficulty: hard
Common causes
Ordered by how often each turns out to be the cause.
- Torque sensor failedCommon
- Wiring faultPossible
- Sensor element aged beyond calibration windowLess likely
Parts involved
- Motor Torque Sensor
- Wiring Harness
- Hybrid Control Module
P0A18 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.