AutoCodes – GMC – P1009 2014 GMC Sierra

P1009 2014 GMC Sierra 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 2014 GMC Sierra 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 194

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 Aug 18, 2022

Description
Step-by-Step Diagnostic Guide
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P1009 2014 GMC Sierra 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 2014 GMC Sierra - Fuel Pump Driver Control Module Temperature High Signal Message Counter Incorrect - AutoCodes.com — P1009 2014 GMC Sierra Code - Fuel Pump Driver Control Module Temperature High Signal Message Counter Incorrect

What does this mean?

What are the Possible Causes of the DTC P1009 2014 GMC Sierra?

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 2014 GMC Sierra?

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 2014 GMC Sierra 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 2014 GMC Sierra code?

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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 2014 GMC Sierra Code

1. What does the OBDII code P1009 mean on a 2014 GMC Sierra?

P1009 indicates an issue with the Fuel Pump Driver Control Module, specifically a "Temperature High Signal Message Counter Incorrect" fault.

2. What are the common symptoms of code P1009 in a 2014 GMC Sierra?

Symptoms may include difficulty starting the engine, poor engine performance, stalling, or a check engine light.

3. What causes the P1009 code to appear on a 2014 GMC Sierra?

Common causes include a faulty fuel pump driver control module, overheating of the module, wiring or connector issues, or software glitches.

4. Can I drive my 2014 GMC Sierra with a P1009 code?

Driving with this code is not recommended as it can lead to fuel delivery issues, poor performance, or potential engine stalling.

5. How do I diagnose the P1009 code on a 2014 GMC Sierra?

Diagnosis involves scanning for codes, inspecting the fuel pump driver control module, checking for damaged wiring or connectors, and testing module temperature readings.

6. How do I fix the P1009 code on my 2014 GMC Sierra?

Repairs may include replacing the fuel pump driver control module, repairing damaged wiring or connectors, or updating the module's software.

7. Is the P1009 code related to the fuel pump itself?

Not directly; the code pertains to the fuel pump driver control module, which manages the pumpâ€™s operation, not the pump itself.

8. How much does it cost to fix the P1009 code on a 2014 GMC Sierra?

Repair costs can vary but may range from $200 to $600 depending on whether the module needs replacement or wiring repairs are required.

9. Can a faulty battery or alternator cause the P1009 code?

Yes, low voltage from a failing battery or alternator can affect the fuel pump driver control module and trigger this code.

10. Do I need to reprogram the fuel pump driver control module after replacing it?

In some cases, the replacement module may require reprogramming to function correctly with your vehicleâ€™s system. Consult a GM dealership or qualified technician.