Code result

P0D3F

Battery Charger A Input Voltage Sensor A Circuit Low

High severity

What it means

The ECM detects a low fault on the battery charger a input voltage sensor a circuit. Reading cannot be used reliably for control.

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

  • Signal wire shorted to ground

    high

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

  • Internal sensor short

    medium

    A plausible cause — test and verify before replacing parts.

  • Connector pins corroded - high contact resistance

    low

    Less common, but worth ruling out after the more likely causes.

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