Code result

P084A

Transmission Fluid Pressure Sensor/Switch H Circuit

High severity

What it means

The transmission fluid pressure sensor/switch H reports a circuit fault. Hydraulic pressure feedback for shift control is unreliable on this channel.

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

  • Sensor failed

    high

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

  • Wiring fault

    medium

    A plausible cause — test and verify before replacing parts.

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