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P0474

Overview

Code

P0474

Code Type

P

Code Class

P0

System

Emissions

Severity Level

Medium

Emissions Related

true

Drivability Impact

Minor

Diagnostic Protocol

OBD2

Freeze Frame Useful

true

Code Definition

Diagnostic trouble code P0474 indicates an exhaust pressure sensor circuit malfunction

Symptoms

Reduced engine power

Overview applies to this diagnostic code.

Affected Systems

On This Page

  • Code Definition

  • Symptoms

  • Affected Systems

  • Possible Causes

  • Diagnostic Steps

  • Drive Safety Notes​

More Resources

Exhaust pressure sensing system

Possible Causes

Failed exhaust pressure sensor

Diagnostic Steps

1 Inspect sensor wiring 2 Test sensor output

Drive Safety Notes

Engine performance affected

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