AutoCodes – GMC – P025A GMC

P025A GMC Code - Fuel Pump Control Module Enable Circuit

Quick Answer

The Engine Control Module (ECM) supplies voltage to the Fuel Pump Control Module when the ECM detects that the ignition is on. Common causes include Faulty Fuel Pump Control Module, Fuel Pump Control Module harness is open or shorted, Fuel Pump 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: P025A GMC indicates Fuel Pump Control Module Enable Circuit.
Common causes: Common causes include Faulty Fuel Pump Control Module, Fuel Pump Control Module harness is open or shorted, Fuel Pump 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.

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Code Popularity 2,209

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

What is this?

Table of contents Created and updated by William Orellana on Jun 09, 2022

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P025A GMC Description

The Engine Control Module (ECM) supplies voltage to the Fuel Pump Control Module when the ECM detects that the ignition is on. The voltage from the ECM to the Fuel Pump Control Module remains active for 2 seconds, unless the engine is in crank or run. While this voltage is being received, the Fuel Pump Control Module supplies a varying voltage to the fuel tank pump module in order to maintain the desired fuel line pressure.

OBDII Code P025A GMC - Fuel Pump Control Module Enable Circuit - AutoCodes.com — P025A GMC Code - Fuel Pump Control Module Enable Circuit

What does this mean?

What are the Possible Causes of the DTC P025A GMC?

Faulty Fuel Pump Control Module
Fuel Pump Control Module harness is open or shorted
Fuel Pump Control Module circuit poor electrical connection
Faulty Engine Control Module (ECM)

How to Fix the DTC P025A GMC?

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 P025A GMC 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 P025A GMC code?

Need more information on how to fix the P025A GMC code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P025A GMC code diagnosed by a professional: Find a repair shop in your area

Information for Specific GMC Models

P025A 2014 GMC Sierra — Fuel Pump Control Module Enable Circuit
P025A 2015 GMC Sierra — Fuel Pump Control Module Enable Circuit
P025A 2016 GMC Sierra — Fuel Pump Control Module Enable Circuit
P025A 2017 GMC Sierra — Fuel Pump Control Module Enable Circuit
P025A 2018 GMC Sierra — Fuel Pump Control Module Enable Circuit

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 P025A GMC Code

1. What are common symptoms of OBDII code P025A GMC related to the Fuel Pump Control Module Enable Circuit?

- Common symptoms include engine stalling, rough idling, poor acceleration, and difficulty starting the vehicle.

2. What can cause OBDII code P025A GMC to trigger?

- This code is typically triggered by a faulty fuel pump control module, damaged wiring, or a poor electrical connection.

3. How can I diagnose the Fuel Pump Control Module Enable Circuit issue causing OBDII code P025A GMC?

- Diagnose the issue by checking the fuel pump control module for proper functioning, inspecting the wiring for any damage, and testing the electrical connections.

4. Can a bad fuel pump cause OBDII code P025A GMC to set?

- Yes, a faulty fuel pump can lead to the triggering of code P025A GMC if it affects the operation of the fuel pump control module.

5. What are some repair tips for resolving OBDII code P025A GMC related to the Fuel Pump Control Module Enable Circuit?

- Repair tips include replacing the fuel pump control module if faulty, repairing any damaged wiring, and ensuring all electrical connections are secure and functioning properly.

6. Is it safe to continue driving with OBDII code P025A GMC active?

- It is not recommended to drive with this code active, as it can lead to potential fuel delivery issues and engine performance problems.

7. Can a DIY enthusiast fix OBDII code P025A GMC themselves?

- Depending on their skill level, a DIY enthusiast may be able to diagnose and resolve this code by following repair guides and using the necessary tools.

8. How much does it typically cost to repair OBDII code P025A GMC related to the Fuel Pump Control Module Enable Circuit?

- The cost of repair can vary based on the extent of the issue, but it may range from $200 to $500 for parts and labor.

9. Will resetting the OBDII system clear code P025A GMC permanently?

- Resetting the system may temporarily clear the code, but it will reappear if the underlying issue with the Fuel Pump Control Module Enable Circuit is not resolved.

10. Can extreme weather conditions contribute to the triggering of OBDII code P025A GMC?

- Yes, extreme weather conditions can sometimes exacerbate existing issues with the fuel pump control module and lead to the activation of this diagnostic trouble code.