AutoCodesChevrolet – P1002 2014 Chevrolet Silverado

P1002 2014 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 2014 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.
AI answers can be wrong. Verify repairs with testing. Open full chat
Code Popularity 308
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Jul 04, 2022
💬 Need more help? Ask Coddy for instant answers — it's free!

Code P1002 2014 Chevrolet Silverado Description

The vehicle control modules or sensors monitor the system voltage to verify the system voltage is within the normal operating range. The Diagnostic Trouble Code (DTC) will be set when the Fuel Pump Driver Control Module detects a system voltage below or above a threshold.
OBDII Code P1002 2014 Chevrolet Silverado - Fuel Pump Driver Control Module System Voltage Performance - AutoCodes.com
P1002 2014 Chevrolet Silverado Code - Fuel Pump Driver Control Module System Voltage Performance

What are the Possible Causes of the DTC P1002 2014 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 2014 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 2014 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.

Need more information about the P1002 2014 Chevrolet Silverado code?

Need more information on how to fix the P1002 2014 Chevrolet Silverado code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P1002 2014 Chevrolet Silverado code diagnosed by a professional: Find a repair shop in your area

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 2014 Chevrolet Silverado Code

1. What does the OBDII code P1002 mean on a 2014 Chevrolet Silverado?

P1002 indicates an issue with the Fuel Pump Driver Control Module (FPCM) system voltage, meaning the module isn’t operating within the expected voltage range.

2. What are the common symptoms of code P1002 in a 2014 Chevrolet Silverado?

Symptoms can include difficulty starting the engine, stalling, reduced engine performance, or a check engine light illuminated.

3. What causes the P1002 code to appear on a 2014 Chevrolet Silverado?

Possible causes include a faulty Fuel Pump Driver Control Module, wiring issues such as damaged or corroded connectors, low battery voltage, or a failing fuel pump.

4. Can I drive my 2014 Chevrolet Silverado with a P1002 code?

Driving with a P1002 code is not recommended, as it may cause further damage to the fuel system or leave you stranded due to fuel delivery issues.

5. How is the P1002 code diagnosed in a 2014 Chevrolet Silverado?

A mechanic will scan for codes, inspect wiring and connectors in the FPCM circuit, test battery voltage, and potentially test the fuel pump operation and module functionality.

6. How do you repair a P1002 code on a 2014 Chevrolet Silverado?

Repairs may involve replacing the Fuel Pump Driver Control Module, repairing or replacing damaged wiring, cleaning corroded connectors, or addressing battery voltage issues.

7. How much does it cost to fix the P1002 code on a 2014 Chevrolet Silverado?

Repair costs vary depending on the issue but typically range from $150 to $600, with module replacement being the most expensive.

8. Can a weak battery cause a P1002 code in a 2014 Chevrolet Silverado?

Yes, a weak or failing battery can cause insufficient voltage to the Fuel Pump Driver Control Module, triggering the P1002 code.

9. Does the fuel pump itself need to be replaced for a P1002 code?

Not always. The fuel pump should only be replaced if it’s diagnosed as the root cause of the voltage performance issue.

10. How can I prevent the P1002 code from recurring in my 2014 Chevrolet Silverado?

Regularly inspect and maintain the electrical system, ensure the battery is in good condition, and address any wiring or connector issues promptly.

Discuss the causes and fixes for P1002 2014 Chevrolet Silverado OBDII Code

Code P1002 2014 Chevrolet Silverado comments

No comments found for this page.

AutoCodes App

Fix Your Car Smarter

Try the New AutoCodes App!

Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.

AutoCodes App on Google Play