The Lemon IndexThe secondary air system isn't moving the right amount of air.
Drive on, get it checked. You can usually keep driving. Have the code read at your next service or within a few weeks.
Failed air pump. Then: stuck or leaking valve; cracked hose.
Owners named P0411 in 16 complaints to the U.S. government, most often on the Volkswagen Jetta.
Cars owners report it on
Complaints that name P0411, by model. Raw counts, not a failure rate: popular models get more complaints.
The details
What P0411 means
The secondary air system isn't moving the right amount of air.
Can I drive with P0411?
Drive on, get it checked. You can usually keep driving. Have the code read at your next service or within a few weeks.
12% of the owner complaints that name P0411 also say the car stalls or shuts off. A complaint can describe more than one problem, so this doesn't prove the code caused it.
Common causes of P0411
- Failed air pump
- Stuck or leaking valve
- Cracked hose
A shop should confirm the cause with a scan and tests before replacing parts.
What owners describe
- Stalls or shuts off: 12% of complaints
- Warning lights and electrical faults: 12% of complaints
Share of complaints naming the code whose text also mentions each problem.
Related codes
P0410 P0418 P0406 P0405 P0404 P0403 P0402 P0420
Quick answers
What does P0411 mean?
Secondary Air Injection System Incorrect Flow Detected. The secondary air system isn't moving the right amount of air.
Can I drive with P0411?
Drive on, get it checked. You can usually keep driving. Have the code read at your next service or within a few weeks.
What causes P0411?
Failed air pump; Stuck or leaking valve; Cracked hose.
Counts: NHTSA owner complaints whose text names P0411. A complaint is an owner's report, not a diagnosis. Meanings: the standard SAE J2012 definitions in our own words; manufacturer codes only where verified for that make. General information, not repair advice for your car.