TSB: Infiniti Air Ducts

This bulletin provides step-by-step instructions for diagnosing and fixing MAF sensor-related trouble codes P0101 and P010B in Infiniti Q50 and Q60 models from 2016 to 2023.
Related To: 
Sept. 22, 2026
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Infiniti Air Ducts

This bulletin applies to 2016-2023 Infiniti Q50 and 2017-2022 Q60 vehicles. The MIL may be on with DTC P0101 (MAF sen/circuit-B1) and/or P010B (MAF sen/circuit-B2) stored in the ECM. Inspect the air ducts for leaks or poor connections. For P0101, inspect the right side and for P010B inspect the left side. Disconnect/remove the air ducts as needed and then correctly reconnect/reinstall the air ducts.

Mitchell 1
Example right (passenger) side air cleaner case and air cleaner case to air duct connection.

Example right (passenger) side air cleaner case and air cleaner case to air duct connection.

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