Engine-Codes - Generic - P0683

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

- Code Popularity: 40,350 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 3/3
Table of contents
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What are the Possible Causes of the DTC P0683?

NOTE: The causes shown may not be a complete list of all potential problems, and it is possible that there may be other causes.
  • Faulty Glow Plug Control Module (GPCM)
  • GPCM harness is open or shorted
  • GPCM circuit poor electrical connection
  • Faulty Engine Control Module (ECM)
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How to Fix the DTC P0683?

Check the 'Possible Causes' listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector pins.

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What is the Cost to Diagnose the Code?

Labor: 1.0

The cost to diagnose the P0683 code is 1.0 hour of labor. The diagnosis time and labor rates at auto repair shops vary depending on the location, make and model of the vehicle, and even the engine type. Most auto repair shops charge between $75 and $150 per hour.

When is the Code Detected?

The Engine Control Module (ECM) has detected a communication fault with the Glow Plug Control Module (GPCM) circuit

What are Code Possible Symptoms?

  • Engine Light ON (or Service Engine Soon Warning Light)
  • Lack/Loss of Power
  • The engine may be harder to start
  • Engine hesitation

What Does the P0683 Code Mean?

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.

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

Need more Information on the Code?

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Code P0683 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

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