AutoCodes – Chevrolet – P2444 Chevrolet

P2444 Chevrolet Code - Secondary Air Injection System Pump Stuck On

Quick Answer

The secondary air injection system aids in the reduction of hydrocarbon emissions during a cold start. Common causes include Faulty Secondary Air Injection Pump Relay, Secondary Air Injection Pump Relay harness is open or shorted, Secondary Air Injection Pump Relay circuit poor electrical connection. 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 Chevrolet indicates Secondary Air Injection System Pump Stuck On.
Common causes
Common causes include Faulty Secondary Air Injection Pump Relay, Secondary Air Injection Pump Relay harness is open or shorted, Secondary Air Injection Pump Relay circuit poor electrical connection.
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 3,200
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Jun 25, 2021
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Code P2444 Chevrolet Description

The secondary air injection system aids in the reduction of hydrocarbon emissions during a cold start. The electric air pump forces fresh air into the exhaust stream in order to accelerate the catalyst operation. A pressure sensor in each bank is used to monitor the air flow from the secondary air injection pump. The Engine Control Module (ECM) supplies voltage to the 5-volt reference circuits and supplies a ground to the low reference circuits. The sensors provide a signal voltage to the ECM relative to the pressure changes within the secondary air injection system.
Ignition voltage is supplied to the secondary air injection pump and air injection shutoff/check valve relays. The ECM controls the relays by grounding the control circuits, which activates the relays. When the relay contacts close, voltage is supplied to the pump and the valves, which turns the pump on and opens the valves.
The Diagnostic Trouble Code (DTC) will set when the ECM detects that average difference between the predicted system pressure and the actual system pressure is greater than or less than calibrated thresholds for greater than 8 s.
OBDII Code P2444 Chevrolet - Secondary Air Injection System Pump Stuck On - AutoCodes.com
P2444 Chevrolet Code - Secondary Air Injection System Pump Stuck On

What are the Possible Causes of the DTC P2444 Chevrolet?

  • Faulty Secondary Air Injection Pump Relay
  • Secondary Air Injection Pump Relay harness is open or shorted
  • Secondary Air Injection Pump Relay circuit poor electrical connection

How to Fix the DTC P2444 Chevrolet?

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 P2444 Chevrolet 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 P2444 Chevrolet code?

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Need Help with the Code?

Get the P2444 Chevrolet code diagnosed by a professional: Find a repair shop in your area

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 P2444 Chevrolet Code

1. What are the common symptoms of OBDII code P2444 in a Chevrolet related to the Secondary Air Injection System Pump being stuck on?

- Common symptoms include the Check Engine Light coming on, decreased fuel efficiency, and potential rough idling or stalling.

2. What can cause the Secondary Air Injection System Pump in a Chevrolet to get stuck on and trigger code P2444?

- The pump may get stuck on due to a faulty pump relay, a malfunctioning pump motor, or issues with the air injection system valves.

3. How serious is OBDII code P2444 in a Chevrolet if it's related to the Secondary Air Injection System Pump being stuck on?

- While the vehicle may still be driveable, it's important to address the issue promptly to prevent potential damage to the catalytic converter and ensure proper emissions control.

4. Can driving with OBDII code P2444 triggered by a stuck Secondary Air Injection System Pump cause any long-term damage to the vehicle?

- Continued driving with the issue unresolved can lead to damage to the catalytic converter and may result in failing emissions tests.

5. What are some DIY repair tips for addressing OBDII code P2444 in a Chevrolet caused by the Secondary Air Injection System Pump being stuck on?

- DIY repair tips may include checking and replacing the pump relay, inspecting the pump motor for faults, and ensuring proper functioning of the air injection system components.

6. Is it recommended to reset the OBDII code P2444 after fixing the issue related to the Secondary Air Injection System Pump in a Chevrolet?

- Yes, it's recommended to reset the code using an OBDII scanner after addressing the root cause of the problem to clear the Check Engine Light and monitor for any recurring issues.

7. How can a mechanic diagnose OBDII code P2444 linked to a stuck Secondary Air Injection System Pump in a Chevrolet?

- A mechanic may use a scan tool to retrieve the code, inspect the air injection system components for faults, and conduct tests to pinpoint the exact cause of the pump being stuck on.

8. Are there any recalls or service bulletins related to OBDII code P2444 in Chevrolet vehicles with issues concerning the Secondary Air Injection System Pump?

- It's recommended to check with a Chevrolet dealership or the manufacturer's website for any recalls or service bulletins related to this specific OBDII code and related components.

9. How much does it typically cost to repair OBDII code P2444 caused by a stuck Secondary Air Injection System Pump in a Chevrolet at a dealership or repair shop?

- Repair costs can vary based on the exact cause of the issue and the required parts and labor, but it's advisable to budget for potentially several hundred dollars for this type of repair.

10. Can a malfunctioning Secondary Air Injection System Pump causing OBDII code P2444 in a Chevrolet be bypassed or disconnected temporarily to avoid triggering the code?

- While it may be possible to temporarily disconnect the pump to prevent the code from triggering, it's not a recommended long-term solution as it can lead to other issues and emissions concerns.

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