OBD Codes List

Diagnostic reference · P0A22

P0A22

Generator Torque Sensor Circuit

System
Powertrain control (P code)
Lamp
Check Engine Light
Category
Powertrain - Fuel/Air Metering

What it means

P0A22 means Generator Torque Sensor Circuit.

Where it lives

For P0A22, the sensor sits on the circuit this code reports. The description of P0A22 reports a fault at the sensor.

Check these first

  • A generator torque sensor that is faulty
  • A short or open in the torque sensor wiring
  • Corrosion at the torque sensor connector
  • A control module fault

What to do next

  1. Read generator torque sensor data on a scan tool
  2. Test the torque sensor circuit for short or open
  3. Inspect the torque sensor connector
  4. Check the control module for related codes
  5. Replace the sensor if the signal is out of range
  6. Clear the code and retest

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Updated

Generic SAE J2012 definition. Last updated 2026-10-10.