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P0A25 Powertrain

Generator Torque Sensor Circuit High

The generator torque sensor reports a circuit high fault. Generator torque feedback is unreliable. Wiring faults of this kind typically come from chafing, water ingress at connector seals, or pin push-back — a wiggle test on the harness while the code is active often confirms the location.

Affected components

  • Generator torque sensor
  • Wiring harness
  • Hybrid control module

Common causes

  • High likelihood: Torque sensor failed
  • Medium likelihood: Wiring fault
  • Low likelihood: Connector pins corroded - high contact resistance

Diagnostic notes

  • The malfunction indicator lamp may illuminate
  • Reduced-power or limp mode may occur

Sources

Diagnostic information is provided for reference only. Confirm the code with a compatible scan tool and follow the vehicle manufacturer's service procedures before replacing components.

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