Code result

P2146

Fuel Injector Group A Supply Voltage Circuit/Open

High severity

What it means

The ECU detects an open or missing supply voltage on injector group A. The injectors of this bank cannot be energized; the affected cylinders may not fire and the engine runs rough or stalls.

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

  • Blown injector fuse

    high

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

  • Faulty injector supply relay

    medium

    A plausible cause — test and verify before replacing parts.

  • Open in supply wiring

    medium

    A plausible cause — test and verify before replacing parts.

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