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P1002 Chevrolet Code - Fuel Pump Driver Control Module System Voltage Performance

Quick Answer

The P1002 Chevrolet code indicates a problem with the Fuel Pump Driver Control Module (FPDM) System Voltage Performance. Common causes include Faulty Fuel Pump Driver Control Module, Wiring or connector issues in the FPDM circuit, Corrosion or damage to the FPDM. 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
P1002 Chevrolet indicates Fuel Pump Driver Control Module System Voltage Performance.
Common causes
Common causes include Faulty Fuel Pump Driver Control Module, Wiring or connector issues in the FPDM circuit, Corrosion or damage to the FPDM.
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 Aug 18, 2024
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Code P1002 Chevrolet Description

The P1002 Chevrolet code indicates a problem with the Fuel Pump Driver Control Module (FPDM) System Voltage Performance. The FPDM is responsible for controlling the fuel pump operation, ensuring the correct fuel pressure is maintained within the fuel system. When this code is triggered, it means that the voltage supplied to the FPDM is not within the expected range, which can lead to issues with fuel delivery and engine performance.

OBDII Code P1002 Chevrolet - Fuel Pump Driver Control Module System Voltage Performance
P1002 Chevrolet Code - Fuel Pump Driver Control Module System Voltage Performance

Common Causes of P1002 Chevrolet

  1. Faulty Fuel Pump Driver Control Module
  2. Wiring or connector issues in the FPDM circuit
  3. Corrosion or damage to the FPDM
  4. Voltage irregularities in the vehicle's electrical system
  5. Issues with the fuel pump itself

Symptoms of P1002 Chevrolet

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

How to Fix P1002 Chevrolet

  1. Diagnose the issue by checking the voltage output of the FPDM using a multimeter.
  2. Inspect the wiring and connectors for any damage or corrosion.
  3. Replace the Fuel Pump Driver Control Module if it is found to be faulty.
  4. Clear the diagnostic trouble codes and test the vehicle to ensure the issue is resolved.
  5. Perform a fuel system pressure test to verify proper operation.

Cost to Fix P1002 Chevrolet

The typical repair costs for addressing a P1002 Chevrolet code can vary depending on the specific cause of the issue. In general, replacing the Fuel Pump Driver Control Module can range from $200 to $500, including parts and labor. Additional costs may apply if wiring repairs or fuel pump replacement are necessary. It is advisable to consult with a professional mechanic to get an accurate estimate based on the vehicle's make and model, as well as local labor rates.

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Information for Specific Chevrolet 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 P1002 Chevrolet Code

1. What are the common symptoms of OBDII code P1002 in a Chevrolet related to the Fuel Pump Driver Control Module System Voltage Performance?

- Common symptoms include engine stalling, difficulty starting the vehicle, and a decrease in fuel efficiency.

2. What can cause the OBDII code P1002 in a Chevrolet related to the Fuel Pump Driver Control Module System Voltage Performance?

- Potential causes can include a faulty fuel pump driver control module, wiring issues, a weak fuel pump, or a failing fuel pump driver control module relay.

3. How can I diagnose the OBDII code P1002 in a Chevrolet related to the Fuel Pump Driver Control Module System Voltage Performance?

- Diagnosis typically involves using a scan tool to retrieve the trouble code, testing the fuel pump driver control module, inspecting the wiring for damage, and checking the fuel pump for proper operation.

4. Can a DIY enthusiast repair the OBDII code P1002 in a Chevrolet related to the Fuel Pump Driver Control Module System Voltage Performance?

- While some DIY enthusiasts may be able to address this issue by replacing the fuel pump driver control module or relay, it is recommended to consult a professional mechanic for an accurate diagnosis and repair.

5. Are there any repair tips for fixing the OBDII code P1002 in a Chevrolet related to the Fuel Pump Driver Control Module System Voltage Performance?

- It is advisable to follow the manufacturer's diagnostic procedures, ensure all connections are secure, and use quality replacement parts to address this issue effectively.

6. How urgent is it to address the OBDII code P1002 in a Chevrolet related to the Fuel Pump Driver Control Module System Voltage Performance?

- It is important to address this issue promptly to prevent potential engine stalling or fuel delivery problems that could leave you stranded or cause further damage to the vehicle.

7. Can driving with the OBDII code P1002 in a Chevrolet related to the Fuel Pump Driver Control Module System Voltage Performance cause any further damage?

- Continuing to drive with this issue may lead to fuel delivery problems, engine hesitation, or complete engine stalling, which can cause additional damage to the vehicle over time.

8. Is it safe to reset the OBDII code P1002 in a Chevrolet related to the Fuel Pump Driver Control Module System Voltage Performance without addressing the underlying issue?

- Resetting the code without fixing the root cause may temporarily clear the warning light, but the problem will likely resurface, potentially leading to more severe issues down the road.

9. How much does it typically cost to repair the OBDII code P1002 in a Chevrolet related to the Fuel Pump Driver Control Module System Voltage Performance?

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

10. Can regular maintenance help prevent the OBDII code P1002 in a Chevrolet related to the Fuel Pump Driver Control Module System Voltage Performance?

- While regular maintenance cannot guarantee prevention of this specific code, ensuring the fuel system is properly maintained and addressing any issues promptly can help minimize the likelihood of encountering this problem.

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