Code result

P06DF

Glow Plug Control Module 1 Memory Checksum Error

Moderate severity

What it means

Glow Plug Control Module 1 Memory Checksum Error: the control module has detected this fault condition. This affects diesel cold-start preheating.

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

  • Module memory corrupted

    high

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

  • Module software outdated, reflash may resolve

    low

    Less common, but worth ruling out after the more likely causes.

  • Supply voltage outside specification

    low

    Less common, but worth ruling out after the more likely causes.

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