The P2444: Secondary Air Injection System Pump Stuck On Bank 1 refers to a problem where the secondary air injection pump for Bank 1 remains stuck in the “on” position. This can lead to an overactive pump, which may cause increased wear, damage to other components, or emissions-related issues. The potential causes include a faulty pump or electrical/control circuit problems.
P2444 – Quick Overview
Code | Information |
---|---|
Meaning | P2444: Secondary Air Injection System Pump Stuck On Bank 1 |
Is it serious? | Moderate – a pump stuck on can lead to excessive operation, resulting in damage to the pump, decreased efficiency, and higher emissions. |
Possible causes | – Pump stuck in the on position – Faulty pump – Electrical or control circuit issues |
How to diagnose? | – Inspect and test the secondary air injection pump – Check electrical connections and control circuits – Replace faulty pump if needed |
P2444 Meaning
The P2444: Secondary Air Injection System Pump Stuck On Bank 1 code indicates that the secondary air injection pump in Bank 1 is continuously operating, even when it should not be. The air injection pump is designed to run only during specific engine conditions, mainly to reduce emissions during cold starts. A stuck pump can be due to electrical or mechanical malfunctions, including a shorted circuit, control module issues, or a physically stuck pump. This issue can lead to reduced efficiency and damage to components due to overworking.
Step-by-step diagnostic guide
Action | Description | Tools Needed |
---|---|---|
Check for Other Codes | Use an OBD-II scanner to determine if there are other related codes. Multiple codes may provide more information on the underlying issue with the air injection system. | OBD-II Scanner |
Inspect the Secondary Air Injection Pump | Visually inspect the secondary air injection pump for Bank 1. Look for any visible damage, such as physical wear or signs that the pump is stuck. | Flashlight, Safety Gloves |
Test the Pump Functionality | Use a diagnostic tool to command the secondary air injection pump on and off. Verify that it operates as expected and check if it remains stuck on. | Diagnostic Tool |
Check Electrical Connections | Inspect all electrical connections leading to the pump, including wires and connectors, for loose connections, corrosion, or any signs of short circuits. | Flashlight, Multimeter |
Test the Control Circuit | Measure voltage in the control circuit and verify continuity. Ensure the signals from the control module are being properly received by the pump. | Multimeter, Wiring Diagram |
Replace the Pump if Faulty | If the pump is determined to be faulty and remains stuck in the “on” position, replace it with a new unit to restore proper operation. | Replacement Pump, Wrench Set |
Clear the Code and Test Drive | After repairs, use an OBD-II scanner to clear the P2444 code. Perform a test drive to ensure the air injection system operates correctly and the code does not reappear. | OBD-II Scanner, Vehicle Owner’s Manual |
Recheck for Codes | After the test drive, re-scan the vehicle to confirm that the P2444 code has not returned. Further diagnostics may be required if the code persists. | OBD-II Scanner |

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Hi, I am Juraj “Yuri” Lukacko. I got frustrated by unhelpful and scammy mechanics, so I decided to learn everything about car diagnostics myself. I test dozens of new car diagnostic tools every month along with learning new strategies to fix and customize cars. About Juraj Lukacko (Yuri)