AutoCodes – GMC – P2264 GMC

P2264 GMC Code - Water in Fuel Sensor Circuit

Quick Answer

The water in fuel sensor is located in the fuel filter housing. Common causes include Fuel contamination, Fuel filter, Faulty Fuel Heater/Water in Fuel Sensor. 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: P2264 GMC indicates Water in Fuel Sensor Circuit.
Common causes: Common causes include Fuel contamination, Fuel filter, Faulty Fuel Heater/Water in Fuel Sensor.
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 591

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 Jul 27, 2021

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P2264 GMC Description

The water in fuel sensor is located in the fuel filter housing. The water in fuel sensor has a signal circuit and a low reference circuit. The Engine Control Module (ECM) monitors the signal circuit for a predetermined voltage through serial data from the Fuel Pump Driver Control Module. The Diagnostic Trouble Code (DTC) will be set when the water in fuel sensor signal circuit voltage is outside the expected range for more than 1 s.

OBDII Code P2264 GMC - Water in Fuel Sensor Circuit - AutoCodes.com — P2264 GMC Code - Water in Fuel Sensor Circuit

What does this mean?

What are the Possible Causes of the DTC P2264 GMC?

Fuel contamination
Fuel filter
Faulty Fuel Heater/Water in Fuel Sensor
Fuel Heater/Water in Fuel Sensor harness is open or shorted
Fuel Heater/Water in Fuel Sensor circuit poor electrical connection
Faulty Fuel Pump Driver Control Module

How to Fix the DTC P2264 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 P2264 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 P2264 GMC code?

Need more information on how to fix the P2264 GMC code? Get Access to Factory Service Manuals

Need Help with the Code?

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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 P2264 GMC Code

1. What are the common symptoms of OBDII code P2264 GMC related to the Water in Fuel Sensor Circuit?

- Common symptoms include rough idling, reduced engine performance, stalling, and illuminated Check Engine light.

2. What are the possible causes of OBDII code P2264 GMC indicating issues with the Water in Fuel Sensor Circuit?

- The code may be triggered by a faulty water in fuel sensor, damaged wiring or connectors, water contamination in the fuel system, or a malfunctioning sensor module.

3. How can I diagnose the cause of OBDII code P2264 GMC for the Water in Fuel Sensor Circuit issue?

- Diagnosing involves inspecting the sensor and its connections, checking for water in the fuel system, and using a multimeter to test the sensor's resistance and voltage output.

4. Can I continue driving my vehicle with OBDII code P2264 GMC triggered?

- It is not recommended to drive with the code active, as it may lead to poor engine performance, potential stalling, and further damage to the fuel system.

5. What are the repair options for addressing OBDII code P2264 GMC related to the Water in Fuel Sensor Circuit?

- Repairs may involve replacing the water in fuel sensor, repairing damaged wiring or connectors, draining any water from the fuel system, and resetting the trouble code.

6. Is it possible to prevent OBDII code P2264 GMC from recurring in the future?

- Regularly checking for water in the fuel system, maintaining the sensor and its connections, and using high-quality fuel can help prevent the code from recurring.

7. Can a DIY enthusiast repair OBDII code P2264 GMC or should it be done by a professional mechanic?

- Depending on your mechanical skills and access to tools, some DIY enthusiasts may be able to address the issue. However, it is recommended to consult a professional mechanic for accurate diagnosis and repair.

8. How long does it typically take to repair OBDII code P2264 GMC related to the Water in Fuel Sensor Circuit?

- The repair time can vary based on the specific cause of the issue, but it may take anywhere from 1-3 hours for a mechanic to diagnose and fix the problem.

9. Are there any safety concerns associated with OBDII code P2264 GMC for the Water in Fuel Sensor Circuit?

- Driving with this code active can pose safety risks due to potential engine performance issues, stalling, and loss of vehicle control. It is best to address the problem promptly.

10. Will resetting the trouble code resolve OBDII code P2264 GMC permanently?

- Resetting the code may temporarily turn off the Check Engine light, but if the underlying issue causing the code is not fixed, it is likely to reappear. It is essential to diagnose and address the root cause for a permanent solution.