Engine-CodesGMC – P1005 2016 GMC Sierra

P1005 2016 GMC Sierra Code - Fuel Pump Driver Control Module Enable Too Many Resets

Quick Answer

The P1005 code for a 2016 GMC Sierra indicates a problem with the Fuel Pump Driver Control Module (FPDM) enable circuit. Common causes include Faulty Fuel Pump Driver Control Module, Wiring or connection issues, Poor electrical connections. 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
P1005 2016 GMC Sierra indicates Fuel Pump Driver Control Module Enable Too Many Resets.
Common causes
Common causes include Faulty Fuel Pump Driver Control Module, Wiring or connection issues, Poor electrical connections.
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.
Table of contents Created and updated by William Orellana on Sep 11, 2024
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Code P1005 2016 GMC Sierra Description

The P1005 code for a 2016 GMC Sierra indicates a problem with the Fuel Pump Driver Control Module (FPDM) enable circuit. The FPDM is responsible for controlling the fuel pump operation, ensuring the right amount of fuel is delivered to the engine. When the module detects too many resets, it means that there have been multiple instances where the module has had to restart due to a fault or issue.

OBDII Code P1005 2016 GMC Sierra - Fuel Pump Driver Control Module Enable Too Many Resets
P1005 2016 GMC Sierra Code - Fuel Pump Driver Control Module Enable Too Many Resets

Common Causes of P1005 2016 GMC Sierra

  1. Faulty Fuel Pump Driver Control Module
  2. Wiring or connection issues
  3. Poor electrical connections
  4. Fuel pump failure
  5. Corrosion or water damage

Symptoms of P1005 2016 GMC Sierra

  1. Engine misfire or hesitation
  2. Reduced fuel efficiency
  3. Difficulty starting the engine
  4. Engine stalling
  5. Check Engine Light illuminated

How to Fix P1005 2016 GMC Sierra

  1. Diagnose the issue by using a scan tool to read the code and conduct a thorough inspection of the FPDM, wiring, and connections.
  2. Test the FPDM by checking for power and ground signals, ensuring it is functioning correctly.
  3. Inspect the wiring harness for any signs of damage, corrosion, or loose connections. Repair or replace as necessary.
  4. Check the fuel pump operation to ensure it is working properly and delivering fuel efficiently.
  5. Clear the code, reset the system, and test drive the vehicle to verify that the issue has been resolved.

Cost to Fix P1005 2016 GMC Sierra

The typical repair costs for addressing a P1005 code on a 2016 GMC Sierra can range from $200 to $500, depending on the specific cause of the issue and the cost of parts and labor. This estimate does not include diagnostic fees, which can vary depending on the shop's rates and the time required to identify the problem. It is advisable to consult with a qualified mechanic to get an accurate cost estimate for this repair.

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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 P1005 2016 GMC Sierra Code

1. What does the OBDII code P1005 mean on a 2016 GMC Sierra?

P1005 indicates that the Fuel Pump Driver Control Module (FPCM) has experienced too many resets, which may point to electrical or communication issues within the system.

2. What are the common symptoms of code P1005 on a 2016 GMC Sierra?

Symptoms may include difficulty starting the vehicle, a no-start condition, reduced engine performance, or the check engine light being illuminated.

3. What causes the P1005 code on a 2016 GMC Sierra?

Common causes include a faulty Fuel Pump Driver Control Module, wiring or connector issues, low battery voltage, or software malfunctions in the FPCM.

4. Can a weak battery cause the P1005 code on a 2016 GMC Sierra?

Yes, a weak or failing battery can cause voltage fluctuations that may trigger the FPCM to reset repeatedly, leading to the P1005 code.

5. How do you diagnose the P1005 code on a 2016 GMC Sierra?

Diagnosis involves scanning for additional codes, inspecting the FPCM and wiring for damage, testing battery voltage, and checking for software updates related to the FPCM.

6. Can I drive my 2016 GMC Sierra with a P1005 code?

It is not recommended, as the issue could lead to fuel delivery problems, potentially causing the engine to stall or fail to start.

7. How is the P1005 code repaired on a 2016 GMC Sierra?

Repairs may include replacing the Fuel Pump Driver Control Module, repairing or replacing damaged wiring or connectors, reprogramming the module, or ensuring the battery and charging system are functioning properly.

8. Does the Fuel Pump Driver Control Module need reprogramming after replacement?

Yes, in most cases, the new module will need to be programmed or relearned using specialized tools to ensure proper communication with the vehicle.

9. What tools are needed to fix the P1005 code on a 2016 GMC Sierra?

You will need an OBDII scanner, a multimeter for testing electrical connections, and potentially a GM-specific scan tool for reprogramming the FPCM.

10. How much does it cost to fix the P1005 code on a 2016 GMC Sierra?

The cost varies depending on the exact issue, but replacing the FPCM typically costs between $200 and $500, including parts and labor.

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