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P0512

Overview

Code

P0512

Code Type

P

Code Class

P0

System

Idle Control

Severity Level

Medium

Emissions Related

true

Drivability Impact

Major

Diagnostic Protocol

OBD2

Freeze Frame Useful

true

Code Definition

Diagnostic trouble code P0512 indicates an idle air control valve circuit malfunction

Symptoms

Check Engine Light; Rough idle

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

Idle air control circuit

Possible Causes

Wiring issue; Faulty IAC valve

Diagnostic Steps

1 Inspect IAC wiring 2 Test IAC circuit

Drive Safety Notes

Risk of engine stalling

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