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P0670

Overview

Code

P0670

Code Type

P

Code Class

P0

System

Engine

Severity Level

Medium

Emissions Related

true

Drivability Impact

Major

Diagnostic Protocol

OBD2

Freeze Frame Useful

true

Code Definition

Diagnostic trouble code P0670 indicates a malfunction in the glow plug control circuit

Symptoms

Difficulty starting Engine misfire

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

Glow plug control system

Possible Causes

Faulty glow plug control Wiring issues

Diagnostic Steps

1 Inspect glow plug control circuit 2 Test glow plug function

Drive Safety Notes

Glow plug issues can affect engine cold start performance

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