Code result

P0944

Hydraulic Pressure Supply

High severity

What it means

TCM detects rapid loss of hydraulic pressure in transmission accumulator or main pump circuit.

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

  • Accumulator leak

    high

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

  • Pump seal failed

    medium

    A plausible cause — test and verify before replacing parts.

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