Engine-CodesToyota – P2444 Toyota

P2444 Toyota Code - Secondary Air Injection System Pump Stuck On Bank 1

Quick Answer

The P2444 diagnostic trouble code (DTC) for Toyota vehicles indicates a problem with the secondary air injection system pump stuck on bank 1. Common causes include Stuck relay in the secondary air injection pump, Faulty pump motor, Wiring issues in the secondary air injection system. 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
P2444 Toyota indicates Secondary Air Injection System Pump Stuck On Bank 1.
Common causes
Common causes include Stuck relay in the secondary air injection pump, Faulty pump motor, Wiring issues in the secondary air injection system.
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.
Table of contents Created and updated by William Orellana on Sep 09, 2024
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Code P2444 Toyota Description

The P2444 diagnostic trouble code (DTC) for Toyota vehicles indicates a problem with the secondary air injection system pump stuck on bank 1. This system is responsible for injecting fresh air into the exhaust system to help reduce harmful emissions. When the pump is stuck in the on position, it can lead to various issues with the vehicle's performance and emissions output.

OBDII Code P2444 Toyota - Secondary Air Injection System Pump Stuck On Bank 1
P2444 Toyota Code - Secondary Air Injection System Pump Stuck On Bank 1

Common Causes of P2444 Toyota

  1. Stuck relay in the secondary air injection pump
  2. Faulty pump motor
  3. Wiring issues in the secondary air injection system
  4. Blocked air injection system
  5. Malfunctioning vacuum switching valve

Symptoms of P2444 Toyota

  1. Check engine light illuminated on the dashboard
  2. Loud noise coming from the secondary air injection pump
  3. Increased fuel consumption
  4. Failed emissions test
  5. Reduced engine performance

How to Fix P2444 Toyota

  1. Begin by diagnosing the specific cause of the issue using a diagnostic scanner to retrieve the trouble code and pinpoint the problem.
  2. Inspect the secondary air injection pump, relay, and wiring for any visible signs of damage or malfunction.
  3. Test the pump motor and relay to determine if they are functioning properly.
  4. Clear the trouble code and reset the check engine light after repairing or replacing any faulty components.
  5. Test drive the vehicle to ensure that the issue has been successfully resolved and that the check engine light remains off.

Cost to Fix P2444 Toyota

The typical repair costs for addressing a P2444 code on a Toyota vehicle can range from $200 to $600, depending on the specific cause of the issue and the cost of replacement parts. This estimate includes both parts and labor. However, it's important to note that diagnostic time and labor rates at auto repair shops can vary, with rates typically ranging from $80 to $150 per hour. Rates may be higher at dealerships or in metropolitan areas, while independent shops often charge less. It's recommended to check with local repair shops for a more accurate estimate based on your specific vehicle make and model.

When is the Code Detected?

If the pressure level from the sensor has not reached a certain level despite the ECM turning on the air pump,or if the pressure level exceeds the threshold despite the ECM turning off the air pump, the ECM interprets this as a fault in the secondary air injection system and the code is set.

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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.

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