AutoCodes – Generic – P0683

P0683 Code - Glow Plug Module Control To ECM Communication Circuit Fault

Quick Answer

The Engine Control Module (ECM) monitors the Glow Plug Control Module (GPCM). Common causes include Faulty Glow Plug Control Module (GPCM), GPCM harness is open or shorted, GPCM 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: P0683 indicates Glow Plug Module Control To ECM Communication Circuit Fault.
Common causes: Common causes include Faulty Glow Plug Control Module (GPCM), GPCM harness is open or shorted, GPCM 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 41,506

How popular is this code, among other codes? Medium

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 May 05, 2019

Description
Possible Causes
How To Fix
Cost to Diagnose
Comments
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Code P0683 Description

The Engine Control Module (ECM) monitors the Glow Plug Control Module (GPCM). The ECM sets the OBDII code when can not communicate with the Glow Plug Control Module.

OBDII Code P0683 - Glow Plug Module Control To ECM Communication Circuit Fault - AutoCodes.com — P0683 Code - Glow Plug Module Control To ECM Communication Circuit Fault

What does this mean?

What are the Possible Causes of the DTC P0683?

Faulty Glow Plug Control Module (GPCM)
GPCM harness is open or shorted
GPCM circuit poor electrical connection
Faulty Engine Control Module (ECM)

How to Fix the DTC P0683?

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 P0683 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 P0683 code?

Need more information on how to fix the P0683 code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P0683 code diagnosed by a professional: Find a repair shop in your area

Information for Specific Makes

P0683 Chrysler — Glow Plug Module Control To ECM Communication Circuit Fault
P0683 Dodge — Glow Plug Module Control To ECM Communication Circuit Fault
P0683 Ford — Glow Plug Module Control To ECM Communication Circuit Fault

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.

Frequently Asked Questions about P0683 Code

No Frequently Asked Questions about P0683 Code found.

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Daniel danila
Date: January 21, 2014 at 10:09 am

Buna ziua.Detin o corsa d 1.3 cdti,Z13 DTJ,55 kw.De ceva timp (10 zile),am problema cu o eroare ce persista.Este vorba de P0683-04.Mentionez ca am inlocuit toate bujiile,releul,am verificat fiecare fisa in parte,am updatat ECU.....Degeaba....fara nici un rezultat.In schimb masina se comporta normal.De aceea va rog,poate aveti dv vreo solutie.

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