P1002 2018 GMC Sierra Code - Fuel Pump Driver Control Module System Voltage Performance
Quick Answer
The P1002 diagnostic trouble code for a 2018 GMC Sierra relates to the Fuel Pump Driver Control Module System Voltage Performance. Common causes include Faulty fuel pump driver control module, Wiring issues or electrical connections, Weak or failing battery. 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 2018 GMC Sierra indicates Fuel Pump Driver Control Module System Voltage Performance.
- Common causes
- Common causes include Faulty fuel pump driver control module, Wiring issues or electrical connections, Weak or failing battery.
- 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 P1002 2018 GMC Sierra Description
The P1002 diagnostic trouble code for a 2018 GMC Sierra relates to the Fuel Pump Driver Control Module System Voltage Performance. This code indicates that there is an issue with the voltage performance of the fuel pump driver control module, which is responsible for controlling the fuel pump's operation. The fuel pump driver control module plays a crucial role in ensuring that the fuel pump receives the correct voltage to deliver the right amount of fuel to the engine. When this system is not functioning properly, it can lead to a variety of performance issues in the vehicle.
Common Causes of P1002 2018 GMC Sierra
- Faulty fuel pump driver control module.
- Wiring issues or electrical connections.
- Weak or failing battery.
- Problems with the vehicle's electrical system.
- Corrosion or damage to the fuel pump driver control module.
Symptoms of P1002 2018 GMC Sierra
- Check engine light illuminated on the dashboard.
- Engine misfires or hesitation during acceleration.
- Reduced fuel efficiency.
- Engine stalling or difficulty starting.
- Rough idling or engine vibrations.
How to Fix P1002 2018 GMC Sierra
- Diagnose the issue using a diagnostic scanner to confirm the P1002 code.
- Inspect the wiring and electrical connections related to the fuel pump driver control module.
- Test the battery to ensure it is providing the correct voltage.
- Replace the fuel pump driver control module if it is found to be faulty.
- Clear the trouble code and test drive the vehicle to ensure the issue has been resolved.
Cost to Fix P1002 2018 GMC Sierra
The typical repair costs for addressing a P1002 code on a 2018 GMC Sierra can range from $200 to $500, including parts and labor. However, specific diagnosis time and labor rates at auto repair shops can vary depending on factors such as location, vehicle make and model, and engine type. It is recommended to check local rates for a more accurate estimate. Keep in mind that rates in metropolitan areas or at dealerships may be higher, while independent shops often charge less.
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Frequently Asked Questions about P1002 2018 GMC Sierra Code
1. What are common symptoms of OBDII code P1002 in a 2018 GMC Sierra?
- Common symptoms include engine stalling, poor engine performance, and difficulty starting the vehicle.
2. What does the OBDII code P1002 indicate in a 2018 GMC Sierra?
- OBDII code P1002 refers to "Fuel Pump Driver Control Module System Voltage Performance" in the vehicle.
3. What are possible causes of OBDII code P1002 in a 2018 GMC Sierra?
- Possible causes include a faulty fuel pump driver control module, issues with the fuel pump, wiring problems, or a weak vehicle battery.
4. How can I diagnose the OBDII code P1002 in my 2018 GMC Sierra?
- Diagnosis typically involves using a scan tool to retrieve the code, checking the fuel pump driver control module, inspecting the wiring, and testing the fuel pump's operation.
5. Can I still drive my 2018 GMC Sierra with OBDII code P1002?
- It's not recommended to drive the vehicle with this code as it can lead to engine performance issues and potential safety concerns.
6. How can I repair OBDII code P1002 in my 2018 GMC Sierra?
- Repair options may include replacing the fuel pump driver control module, repairing or replacing damaged wiring, checking the fuel pump operation, and ensuring a strong battery connection.
7. Is it possible to reset OBDII code P1002 in a 2018 GMC Sierra without making repairs?
- While you can clear the code temporarily, it's important to address the underlying issue to prevent further problems.
8. Can a DIY enthusiast fix OBDII code P1002 in a 2018 GMC Sierra?
- Depending on your mechanical skills and tools available, some DIY enthusiasts may be able to address the issue themselves. However, it's recommended to consult a professional for complex repairs.
9. Will OBDII code P1002 cause damage to other vehicle components if left unresolved in a 2018 GMC Sierra?
- Ignoring OBDII code P1002 can potentially lead to fuel pump or electrical system damage, affecting other vehicle components over time.
10. How much does it typically cost to repair OBDII code P1002 in a 2018 GMC Sierra?
- The cost of repairing OBDII code P1002 can vary depending on the underlying issue, parts needed, and labor costs. It's advisable to get a diagnostic from a trusted mechanic for an accurate estimate.
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