Code result

P0A1C

Drive Motor A Phase U Current Sensor Circuit

High severity

What it means

The motor controller detects an electrical fault on the phase U current sensor of drive motor A. Phase current sensing is required for vector control of the synchronous machine.

Is it safe to drive?

No — stop driving

This code can put the vehicle into limp or reduced-power mode. Avoid extended driving and have the vehicle diagnosed promptly.

Most likely causes

  • Current sensor failed

    high

    One of the most commonly reported causes for this code — check this first.

  • Inverter internal fault

    medium

    A plausible cause — test and verify before replacing parts.

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