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Engine-Codes – GMC – P1007 GMC

P1007 GMC Code - Fuel Pump Driver Control Module Ignition On/Start Switch Circuit High Voltage

Quick Answer

The P1007 GMC code indicates a problem with the Fuel Pump Driver Control Module Ignition On/Start Switch Circuit High Voltage. Common causes include Faulty fuel pump driver control module, Damaged wiring or connectors in the ignition on/start switch circuit, Electrical issues in the power supply to the fuel pump driver control module. 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
P1007 GMC indicates Fuel Pump Driver Control Module Ignition On/Start Switch Circuit High Voltage.
Common causes
Common causes include Faulty fuel pump driver control module, Damaged wiring or connectors in the ignition on/start switch circuit, Electrical issues in the power supply to the fuel pump driver control module.
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.
What is this?
Table of contents Created and updated by William Orellana on Sep 10, 2024
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Code P1007 GMC Description

The P1007 GMC code indicates a problem with the Fuel Pump Driver Control Module Ignition On/Start Switch Circuit High Voltage. This means that there is a higher than normal voltage detected in the circuit that controls the fuel pump driver module when the ignition is turned on or when starting the vehicle. The fuel pump driver control module is responsible for regulating the fuel pump's operation, ensuring that the correct amount of fuel is delivered to the engine for combustion.

OBDII Code P1007 GMC - Fuel Pump Driver Control Module Ignition On/Start Switch Circuit High Voltage
P1007 GMC Code - Fuel Pump Driver Control Module Ignition On/Start Switch Circuit High Voltage

Common Causes of P1007 GMC

  1. Faulty fuel pump driver control module
  2. Damaged wiring or connectors in the ignition on/start switch circuit
  3. Electrical issues in the power supply to the fuel pump driver control module
  4. Corrosion or poor connections in the circuit

Symptoms of P1007 GMC

  1. Check Engine Light is illuminated
  2. Engine hesitation or stalling
  3. Poor engine performance
  4. Difficulty starting the vehicle
  5. Fuel pump not priming when turning the key

How to Fix P1007 GMC

  1. Diagnose the issue using a diagnostic scanner to identify the specific cause of the high voltage in the circuit.
  2. Inspect the wiring and connectors in the ignition on/start switch circuit for any damage or corrosion. Repair or replace as necessary.
  3. Test the fuel pump driver control module to determine if it is functioning correctly. Replace if faulty.
  4. Clear the fault code from the vehicle's computer system and test the vehicle to ensure the issue has been resolved.
  5. Perform a final check to ensure that the fuel pump is priming correctly and that the vehicle starts and runs smoothly.

Cost to Fix P1007 GMC

The typical repair costs for addressing a P1007 GMC code can vary depending on the specific cause of the issue. In general, the cost of parts for replacing a fuel pump driver control module can range from $150 to $300, while labor costs can be between $100 to $200. Additional costs may include diagnostic fees and any necessary wiring repairs or replacements. Overall, the total cost for resolving this issue can range from $250 to $500. However, it's important to note that prices can vary based on location, vehicle make and model, and labor rates at auto repair shops. It's advisable to obtain quotes from local shops for a more accurate estimate.

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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 P1007 GMC Code

1. What are common symptoms of OBDII code P1007 GMC related to the Fuel Pump Driver Control Module Ignition On/Start Switch Circuit High Voltage?

- Common symptoms include rough idling, engine stalling, difficulty starting the vehicle, and illuminated check engine light.

2. What are possible causes of OBDII code P1007 GMC indicating an issue with the Fuel Pump Driver Control Module Ignition On/Start Switch Circuit High Voltage?

- Possible causes include a faulty fuel pump driver control module, a malfunctioning ignition switch, wiring issues, or a short circuit in the circuit.

3. How can I diagnose the cause of OBDII code P1007 GMC concerning the Fuel Pump Driver Control Module Ignition On/Start Switch Circuit High Voltage?

- Diagnose the issue by checking the fuel pump driver control module and ignition switch for proper functioning, inspecting the wiring for any damage, and testing for any short circuits.

4. Can a DIY enthusiast repair OBDII code P1007 GMC associated with the Fuel Pump Driver Control Module Ignition On/Start Switch Circuit High Voltage?

- DIY repair may be possible depending on the underlying cause. However, it is recommended to have the necessary tools and knowledge to safely diagnose and repair electrical issues in the vehicle.

5. Is it safe to continue driving with OBDII code P1007 GMC indicating a problem with the Fuel Pump Driver Control Module Ignition On/Start Switch Circuit High Voltage?

- It is not recommended to continue driving with this code as it may lead to potential engine stalling or other drivability issues, which can compromise safety and further damage the vehicle.

6. Are there any tips for preventing OBDII code P1007 GMC related to the Fuel Pump Driver Control Module Ignition On/Start Switch Circuit High Voltage?

- Regular maintenance and inspections of the fuel pump driver control module, ignition switch, and wiring can help prevent issues leading to this code.

7. How much does it typically cost to repair OBDII code P1007 GMC associated with the Fuel Pump Driver Control Module Ignition On/Start Switch Circuit High Voltage?

- Repair costs can vary depending on the specific cause of the issue. It is recommended to consult a professional mechanic for an accurate diagnosis and cost estimate.

8. Can OBDII code P1007 GMC be triggered by a loose electrical connection in the fuel pump driver control module or ignition switch?

- Yes, a loose electrical connection can disrupt the voltage in the circuit and trigger the P1007 code related to the Fuel Pump Driver Control Module Ignition On/Start Switch Circuit High Voltage.

9. Will resetting the OBDII system clear the P1007 GMC code related to the Fuel Pump Driver Control Module Ignition On/Start Switch Circuit High Voltage?

- Resetting the OBDII system may temporarily clear the code, but if the underlying issue is not addressed, the code is likely to reappear after driving the vehicle.

10. Can extreme weather conditions affect the occurrence of OBDII code P1007 GMC linked to the Fuel Pump Driver Control Module Ignition On/Start Switch Circuit High Voltage?

- Extreme weather conditions can sometimes exacerbate electrical issues in vehicles, potentially leading to the triggering of the P1007 code. It is important to keep the electrical components well-maintained in all weather conditions.

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