P0A26: Generator Torque Sensor Circuit Intermittent
What to do
Record when it happens — weather, road surface, what the car was doing. The pattern is diagnostic evidence and only the driver has it.
What this code means
The generator torque signal is cutting in and out — dropouts and jumps too abrupt to be real.
Intermittent means wiring until proven otherwise, and the transaxle-to-inverter harness is this family's usual address, as it is for the motor's version of this code at P0A21. A fault that tracks bumps, damp or engine movement belongs to that harness until someone has actually looked.
Likely causes
Start here
- Intermittent wiring fault · moderate
- Corroded or loose connector · easy
Less common
- Water ingress into connector · easy
Symptoms
Components involved
Information, not instruction
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Have anything you intend to act on checked by a trained person against the manufacturer's own procedure for your vehicle. Nothing here replaces that procedure.
Community experience
Be the first to write this up
Nothing posted about this yet. Whatever you found is worth writing down — even a dead end saves someone the same afternoon.
What makes one worth reading:
- The car — make, model, year and engine. The same fault behaves differently on each.
- What you measured, not only what you replaced.
- What actually fixed it — or that nothing did, which is worth knowing too.
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