AutoCodes – Cadillac – P2264 Cadillac

P2264 Cadillac 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 Cadillac 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.
AI answers can be wrong. Verify repairs with testing. Open full chat
Code Popularity 643
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Jul 27, 2021
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Code P2264 Cadillac 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 Cadillac - Water in Fuel Sensor Circuit - AutoCodes.com
P2264 Cadillac Code - Water in Fuel Sensor Circuit

What are the Possible Causes of the DTC P2264 Cadillac?

  • 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 Cadillac?

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 Cadillac 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 Cadillac code?

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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 Cadillac Code

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

The common symptoms include rough idling, decreased engine performance, and the illumination of the check engine light.

2. What are some possible causes of the OBDII code P2264 in a Cadillac?

Potential causes include a faulty water in fuel sensor, water contamination in the fuel system, damaged wiring or connectors, or a malfunctioning engine control module.

3. How can I diagnose the issue related to the Water in Fuel Sensor Circuit in my Cadillac?

Diagnosis typically involves inspecting the water in fuel sensor, checking for water contamination in the fuel system, and using a scan tool to retrieve the specific error codes stored in the vehicle's computer.

4. Is it safe to continue driving a Cadillac with the P2264 error code related to the Water in Fuel Sensor Circuit?

It is not recommended to drive the vehicle with this error code as it can lead to further engine damage or poor performance due to potential water contamination in the fuel system.

5. Can I repair the OBDII code P2264 related to the Water in Fuel Sensor Circuit in my Cadillac myself?

Depending on your automotive repair skills, you may be able to replace the water in fuel sensor or address any water contamination issues yourself. However, it is advisable to consult a professional mechanic for a proper diagnosis and repair.

6. How much does it typically cost to repair the OBDII code P2264 in a Cadillac related to the Water in Fuel Sensor Circuit?

The costs can vary depending on the exact cause of the issue, but replacing the water in fuel sensor or addressing water contamination issues can range from $100 to $300 or more, including parts and labor.

7. Are there any preventive measures to avoid encountering the OBDII code P2264 in a Cadillac?

Regularly maintaining your vehicle, using quality fuel from reputable sources, and replacing the fuel filter at recommended intervals can help prevent issues related to water contamination in the fuel system.

8. Can a faulty water in fuel sensor cause other problems in a Cadillac besides triggering the OBDII code P2264?

Yes, a malfunctioning water in fuel sensor can potentially cause fuel delivery issues, engine misfires, or even lead to more serious engine damage if not addressed promptly.

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

The repair time can vary based on the exact cause of the issue and the availability of parts, but most repairs related to this error code can be completed within a few hours to a day by a qualified mechanic.

10. Can resetting the check engine light resolve the OBDII code P2264 in a Cadillac related to the Water in Fuel Sensor Circuit?

Resetting the check engine light may temporarily turn it off, but it will not fix the underlying issue causing the error code. It is essential to diagnose and repair the problem to prevent further complications.

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