AutoCodes – GMC – P1009 GMC

P1009 GMC Code - Fuel Pump Driver Control Module Temperature High Signal Message Counter Incorrect

Quick Answer

Control modules connected to the serial data circuits monitor the communication during normal vehicle operation. Common causes include Faulty Fuel Pump Driver Control Module, Fuel Pump Driver Control Module harness is open or shorted, Fuel Pump Driver 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
P1009 GMC indicates Fuel Pump Driver Control Module Temperature High Signal Message Counter Incorrect.
Common causes
Common causes include Faulty Fuel Pump Driver Control Module, Fuel Pump Driver Control Module harness is open or shorted, Fuel Pump Driver 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 1,109
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Aug 18, 2022
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Code P1009 GMC Description

Control modules connected to the serial data circuits monitor the communication during normal vehicle operation. Operating information and commands are exchanged among the control modules. Each module on the serial data circuit maintains a transmit error counter and a receive error counter. The counter values increase with detected errors and decrease with error-free messages. The Diagnostic Trouble Code (DTC) will be set when the Fuel Pump Driver Control Module Temperature High Signal Message Counter is Incorrect.
OBDII Code P1009 GMC - Fuel Pump Driver Control Module Temperature High Signal Message Counter Incorrect - AutoCodes.com
P1009 GMC Code - Fuel Pump Driver Control Module Temperature High Signal Message Counter Incorrect

What are the Possible Causes of the DTC P1009 GMC?

  • Faulty Fuel Pump Driver Control Module
  • Fuel Pump Driver Control Module harness is open or shorted
  • Fuel Pump Driver Control Module circuit poor electrical connection

How to Fix the DTC P1009 GMC?

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 P1009 GMC 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 P1009 GMC code?

Need more information on how to fix the P1009 GMC code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P1009 GMC code diagnosed by a professional: Find a repair shop in your area

Information for Specific GMC Models

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 P1009 GMC Code

1. What are the common symptoms of OBDII code P1009 in a GMC vehicle?

- Common symptoms include engine stalling, poor acceleration, rough idling, and possible issues with the fuel pump.

2. What does the OBDII code P1009 GMC indicate about the Fuel Pump Driver Control Module temperature?

- The code indicates that the temperature of the Fuel Pump Driver Control Module is too high, triggering a signal message counter error.

3. What are the possible causes of the P1009 code in a GMC vehicle?

- Possible causes include a faulty Fuel Pump Driver Control Module, wiring issues, a defective fuel pump, or problems with the vehicle's computer system.

4. How can I diagnose the OBDII code P1009 in my GMC vehicle?

- Diagnosing the code typically involves using an OBDII scanner to retrieve the code and then inspecting the Fuel Pump Driver Control Module, wiring, and fuel pump for any issues.

5. Can driving with the P1009 code cause further damage to my GMC vehicle?

- Continuing to drive with the P1009 code can potentially cause damage to the fuel pump or other related components, so it's recommended to address the issue promptly.

6. How can I repair the OBDII code P1009 in a GMC vehicle?

- Repairing the P1009 code may involve replacing the Fuel Pump Driver Control Module, repairing any damaged wiring, or addressing issues with the fuel pump as needed.

7. Is it safe to drive my GMC vehicle with the P1009 code temporarily cleared?

- It is not recommended to drive the vehicle with the code temporarily cleared, as the underlying issue may still be present and could lead to further problems.

8. Can a DIY enthusiast fix the OBDII code P1009 issue in a GMC vehicle?

- Depending on the individual's skill level and access to tools, some DIY enthusiasts may be able to address the P1009 code by replacing components like the Fuel Pump Driver Control Module.

9. How much does it typically cost to repair the OBDII code P1009 in a GMC vehicle at a mechanic or dealership?

- The cost of repairing the P1009 code can vary depending on the specific issue, but it may range from a few hundred to over a thousand dollars, including parts and labor.

10. Is the OBDII code P1009 GMC a common issue in certain models or years of GMC vehicles?

- The P1009 code may be more common in specific models or years of GMC vehicles, so it's advisable to check for any known issues or recalls related to this code in your particular vehicle.

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