AutoCodes – Generic – P226A

P226A Code - Water in Fuel Lamp Control Circuit

Quick Answer

The Fuel Sensor detects fuel (ethanol) contamination and provides the Engine Control Module (ECM) with a fuel temperature. Common causes include Fuel contamination, Fuel filter, Faulty 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: P226A indicates Water in Fuel Lamp Control Circuit.
Common causes: Common causes include Fuel contamination, Fuel filter, Faulty 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 6,522

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 14, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
Comments
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Code P226A Description

The Fuel Sensor detects fuel (ethanol) contamination and provides the Engine Control Module (ECM) with a fuel temperature. The ECM monitors the water in fuel circuit and has detected the return voltage to be above or below threshold limits for the sensor.

OBDII Code P226A - Water in Fuel Lamp Control Circuit - AutoCodes.com — P226A Code - Water in Fuel Lamp Control Circuit

What does this mean?

What are the Possible Causes of the DTC P226A?

Fuel contamination
Fuel filter
Faulty Fuel Sensor
Fuel Sensor harness is open or shorted
Fuel Sensor circuit poor electrical connection

How to Fix the DTC P226A?

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 P226A 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 P226A code?

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Need Help with the Code?

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Information for Specific Makes

P226A Dodge — Water in Fuel Lamp Control Circuit
P226A Ford — Water in Fuel Lamp Control Circuit
P226A Jeep — Water in Fuel Lamp Control 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.