AutoCodes – Generic – P064C

P064C Code - Glow Plug Control Module

Quick Answer

The Glow Plug Control Module has the ability to perform internal self-test diagnostics. Common causes include Faulty Glow Plug Control Module, Glow Plug Control Module harness is open or shorted, Glow Plug Control Module circuit poor electrical connection. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

What it means: P064C indicates Glow Plug Control Module.
Common causes: Common causes include Faulty Glow Plug Control Module, Glow Plug Control Module harness is open or shorted, Glow Plug Control Module circuit poor electrical connection.
Severity: High - diagnose this code as soon as possible.
Can I drive?: Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

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Code Popularity 20,906

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

What is this?

Table of contents Created and updated by William Orellana on Jul 17, 2022

Description
Possible Causes
How To Fix
Cost to Diagnose
Comments
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Code P064C Description

The Glow Plug Control Module has the ability to perform internal self-test diagnostics. If the Glow Plug Control Module detects a failure in any of the internal self-tests it will send a message to the Engine Control Module (ECM) to set this Diagnostic Trouble Code (DTC).

OBDII Code P064C - Glow Plug Control Module - AutoCodes.com — P064C Code - Glow Plug Control Module

What does this mean?

What are the Possible Causes of the DTC P064C?

Faulty Glow Plug Control Module
Glow Plug Control Module harness is open or shorted
Glow Plug Control Module circuit poor electrical connection

How to Fix the DTC P064C?

Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P064C code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.

Need more information about the P064C code?

Need more information on how to fix the P064C code? Get Access to Factory Service Manuals

Need Help with the Code?

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Information for Specific Makes

P064C Chevrolet — Glow Plug Control Module
P064C Ford — Glow Plug Control Module
P064C GMC — Glow Plug Control Module

About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.