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P0411

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P0411 OBD-II Trouble Code: Secondary Air Injection System Incorrect Flow Detected
P0411 code definition The P0411 DTC is a generic OBD-II code that points to a malfunction within the secondary air injection system. What the P0411 code means P0411 indicates that the...

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Diagnostic code P0411
A code P0411 indicates a secondary air injection system incorrect flow has been detected. This is essentially a system of flushing clean and fresh air into the exhaust system in order to keep the catalytic converter working at its best....

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