P0A25Generator Torque Sensor Circuit High
- Generic OBD-II code · Powertrain
- Turns on the check-engine light
- Matters for the ITP
- Can trigger limp mode
- How the car detects it
- With P0A25 the control unit sees the generator torque sensor signal above its permitted upper limit for longer than the calibrated debounce time. The common electrical explanations are a short from the signal line to the supply or battery voltage, an interrupted sensor ground, or a sensor output stuck at its maximum. The sensor belongs to the engine-driven generator of a hybrid; a Honda patent shows torque sensing inside a hollow generator or motor shaft. No manufacturer documents P0A25 publicly; CARB only demands an approved generator monitor. Opposite fault: P0A24; plausibility: P0A23; intermittent: P0A26. Generator torque is usually limited.
- What you may notice
- Hybrid system warning light
- Generator output limited
- Likely causes
- LikelySignal line shorted to supply or battery voltage
- PossibleOpen sensor ground
- RareSensor output stuck high
- Inspection (ITP)
- Matters for the ITP. While the check-engine light is on, the car fails the emissions check.
- Repair
- Hard · Usually a job for a workshop.Typical cost: €100 – €3,000
- Related codes
Explanation from obdex (CC0), exactly as the app shows it. Guidance only; confirm with a workshop.