P0410: Secondary Air Injection System Malfunction
Can you still drive? Yes, this code does not affect driveability. The secondary air system only operates during cold starts and does not impact normal engine operation.
What Does P0410 Mean?
Code P0410 indicates a problem with the secondary air injection (AIR) system, which pumps fresh air into the exhaust manifold during cold starts to help the catalytic converter light off faster. The ECM monitors the system by watching O2 sensor readings when the air pump activates. If the expected oxygen increase is not detected, P0410 is set.
Need to read your codes?
An OBD-II scanner lets you read and clear diagnostic trouble codes from your vehicle's computer. Most scanners work with any car made after 1996.
Browse OBD-II Scanners on AmazonCommon Causes
- Failed secondary air pump
- Stuck or corroded air injection check valve
- Broken or disconnected air pump hose
- Failed air pump relay
- Clogged air injection ports in exhaust manifold
Symptoms
- Check engine light on
- Slightly higher cold-start emissions
- Possible air pump noise abnormality
- No noticeable driveability issues
Diagnostic Steps
- 1Listen for the air pump running for 30-90 seconds during cold start
- 2Check air pump fuse and relay
- 3Verify 12V power at the air pump connector during cold start
- 4Inspect check valve for proper operation (air should flow only toward exhaust)
- 5Check air injection hoses for cracks, disconnections, or moisture damage
- 6Monitor O2 sensor response when air pump is activated
Recommended Parts & Tools
secondary air pump
air injection check valve
air pump relay
air injection hose
Estimated Repair Cost
| Type | Estimated Cost |
|---|---|
| Total Repair Cost Range | $100 - $800 |
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Chat with AI About P0410Commonly Affected Vehicles
Related Recalls
1 Active Recall — 2026 Volkswagen Jetta
The following NHTSA safety recalls have been issued for this vehicle. Contact your dealer to check if your vehicle is affected.
ELECTRICAL SYSTEM:WIRING
Volkswagen Group of America, Inc. (Volkswagen) is recalling certain 2025-2026 Jetta vehicles. The transmission ground wire may not have been properly connected during assembly, causing an open electrical circuit.
Remedy: Dealers will inspect and repair transmission ground wire as necessary, free of charge. Owner notification letters are expected to be mailed May 8, 2026. Owners may contact Volkswagen customer service at 1-800-893-5298. Volkswagen's number for this recall is 97TC. Vehicle Identification Numbers (VINs) involved in this recall became searchable on NHTSA.gov on March 13, 2026.
Data provided by the National Highway Traffic Safety Administration (NHTSA).
Frequently Asked Questions
What does the secondary air pump do?
The secondary air pump forces fresh air into the exhaust manifold during cold starts to provide extra oxygen for the catalytic converter, helping it reach operating temperature faster and reducing cold-start emissions.
Why is P0410 common on Volkswagen and BMW?
European vehicles commonly use secondary air injection systems, and the check valves and pumps on these vehicles are prone to failure due to moisture intrusion and corrosion, especially in humid or cold climates.
Community Fix Reports
Community reports are user-submitted and not verified by Auto AI Buddy. Results may vary.
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