Code result

P0475

Exhaust Pressure Control Valve Malfunction

Moderate severity

What it means

A general fault on exhaust pressure control valve A — used as a backpressure brake on heavy-duty diesels and to assist DPF regeneration by raising exhaust temperature.

Is it safe to drive?

Use caution

The vehicle is usually drivable for short distances, but the problem can worsen or affect emissions. Diagnose and repair as soon as practical.

Most likely causes

  • Valve seized or solenoid failed

    high

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

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