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September 25, 2026 Service bulletin

The factory fuel fill pipe assembly may not have been manufactured to specification

Acura technical service bulletin B26-023 for 2015-2020 Acura TLX.

Bulletin number
B26-023
Component
Fuel/propulsion system
Summary
Service Bulletin - The factory fuel fill pipe assembly may not have been manufactured to specification. As a result, small contamination particles inside the fuel fill neck may prevent the primary shut-off valve flap seal from sealing properly. This may result in a fuel smell from the fuel fill neck area and may cause DTC P0455 or P0456 (EVAP system leak detected) to be set.

Owners of these vehicles have filed 103 complaints in the fuel system category.

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