All codes/P064C

P064C

Glow Plug Control Module 1

Moderate severity

A general fault is detected on the first glow plug control module - typically a self-diagnosis flag for an internal driver, supply, or watchdog issue.

A general fault is detected on the first glow plug control module - typically a self-diagnosis flag for an internal driver, supply, or watchdog issue.

Common causes

  • Module internal fault

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

    high

    Typical part cost: $220-880

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First things to check

  1. 1Confirm the code with a scan tool and check for additional related codes.
  2. 2Inspect the relevant sensors, wiring, and connectors for damage or corrosion.

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Related codes

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Frequently asked questions

What does P064C mean?

P064C means "Glow Plug Control Module 1". It is a generic OBD-II code that points to a fault in the computer & auxiliary output controls.

What are the most common causes of P064C?

module internal fault — these are the most commonly reported causes. Verify with a proper diagnosis before replacing parts, or use the Wrenchify app for a vehicle-specific diagnosis.

Can I keep driving with this code?

The vehicle is usually drivable for short distances, but the problem can worsen or affect emissions. Diagnose and repair as soon as practical. Use the Wrenchify app for a full diagnosis specific to your vehicle.

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