P1002 2018 Chevrolet Silverado Code - Fuel Pump Driver Control Module System Voltage Performance
Quick Answer
The P1002 diagnostic trouble code (DTC) for a 2018 Chevrolet Silverado refers to an issue with the Fuel Pump Driver Control Module System Voltage Performance. Common causes include Faulty fuel pump driver control module, Wiring or connection issues in the fuel pump control circuit, Corrosion or damage to electrical components. 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 Chevrolet Silverado indicates Fuel Pump Driver Control Module System Voltage Performance.
- Common causes
- Common causes include Faulty fuel pump driver control module, Wiring or connection issues in the fuel pump control circuit, Corrosion or damage to electrical components.
- 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 Chevrolet Silverado Description
The P1002 diagnostic trouble code (DTC) for a 2018 Chevrolet Silverado refers to an issue with the Fuel Pump Driver Control Module System Voltage Performance. This code indicates that the control module responsible for managing the fuel pump's operation is not functioning within the expected voltage range. The fuel pump driver control module plays a crucial role in regulating the fuel pump's speed and ensuring proper fuel delivery to the engine. When this system voltage performance is compromised, it can lead to various issues affecting the vehicle's performance and overall functionality.
Common Causes of P1002 2018 Chevrolet Silverado
- Faulty fuel pump driver control module
- Wiring or connection issues in the fuel pump control circuit
- Corrosion or damage to electrical components
- Issues with the fuel pump itself
- Software or programming errors in the control module
Symptoms of P1002 2018 Chevrolet Silverado
- Engine misfires or hesitation during acceleration
- Reduced fuel efficiency
- Difficulty starting the vehicle
- Illumination of the check engine light
- Engine stalling or rough idling
How to Fix P1002 2018 Chevrolet Silverado
- Begin by conducting a thorough inspection of the fuel pump driver control module and related wiring to identify any visible damage or loose connections.
- Test the voltage output of the control module to determine if it falls within the specified range.
- If the control module is faulty, replace it with a new unit and ensure proper programming and calibration.
- Check the fuel pump operation and pressure to ensure it is functioning correctly.
- Clear the DTC from the vehicle's computer system and perform a test drive to verify that the issue has been resolved.
Cost to Fix P1002 2018 Chevrolet Silverado
The typical repair costs for addressing a P1002 DTC on a 2018 Chevrolet Silverado can vary depending on the specific cause of the issue. In general, replacing a faulty fuel pump driver control module can range from $200 to $500, including parts and labor. Additional costs may apply if other components need to be replaced or if extensive diagnostic work is required. It's important to note that labor rates at auto repair shops can vary, with hourly rates typically ranging between $80 and $150. Factors such as location, vehicle make and model, and the complexity of the repair can also influence the final cost. To obtain a more accurate estimate, it is recommended to consult with a qualified mechanic or repair shop.
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Frequently Asked Questions about P1002 2018 Chevrolet Silverado Code
1. What does the OBDII code P1002 mean on a 2018 Chevrolet Silverado?
P1002 indicates a problem with the Fuel Pump Driver Control Module (FPCM) system voltage, suggesting it is outside the expected range or experiencing performance issues.
2. What are the common symptoms of code P1002 on a 2018 Chevrolet Silverado?
Symptoms include difficulty starting the engine, reduced engine performance, stalling, or the Check Engine Light illuminating.
3. What causes the P1002 code on a Chevy Silverado?
Common causes include a faulty fuel pump driver control module, wiring issues, corroded or loose connectors, or problems with the vehicle's power supply to the module.
4. Can a bad battery cause the P1002 code on my Silverado?
Yes, a weak or failing battery can cause voltage issues that trigger the P1002 code, as the Fuel Pump Driver Control Module relies on a stable power supply.
5. How do I diagnose the P1002 code on a 2018 Silverado?
Start by inspecting the wiring and connectors to the Fuel Pump Driver Control Module for damage or corrosion. Then, use a multimeter to check for proper voltage and ground at the module.
6. Can I drive my 2018 Chevrolet Silverado with a P1002 code?
It’s not recommended. Driving with this code may lead to fuel delivery problems that could cause stalling or further damage to the fuel system.
7. How can I fix the P1002 code on my Chevy Silverado?
Repairs may include replacing the Fuel Pump Driver Control Module, repairing wiring or connector issues, or ensuring the battery and charging system are functioning properly.
8. How much does it cost to fix the P1002 code on a 2018 Silverado?
Depending on the issue, repairs can range from $100 to $500, with module replacement being on the higher end and wiring repairs on the lower end.
9. Can a software update fix the P1002 code on my Silverado?
In some cases, a dealership may offer a software update for the Fuel Pump Driver Control Module if the issue is related to programming.
10. What tools are needed to troubleshoot the P1002 code?
You’ll need an OBDII scanner, a multimeter, and possibly a wiring diagram for the Fuel Pump Driver Control Module system to properly diagnose the issue.
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