P1002 2018 Chevrolet Silverado Code - Fuel Pump Driver Control Module System Voltage Performance
Quick Answer
The vehicle control modules or sensors monitor the system voltage to verify the system voltage is within the normal operating range. Common causes include Faulty Fuel Pump Driver Control Module, Fuel Pump Driver Control Module harness is open or shorted, Fuel Pump Driver Control Module circuit poor electrical connection. 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, Fuel Pump Driver Control Module harness is open or shorted, Fuel Pump Driver Control Module circuit poor electrical connection.
- 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.
Code P1002 2018 Chevrolet Silverado Description
What are the Possible Causes of the DTC P1002 2018 Chevrolet Silverado?
- Faulty Fuel Pump Driver Control Module
- Fuel Pump Driver Control Module harness is open or shorted
- Fuel Pump Driver Control Module circuit poor electrical connection
How to Fix the DTC P1002 2018 Chevrolet Silverado?
Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.
What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the P1002 2018 Chevrolet Silverado code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.
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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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