Service bulletins for the 2021 Acura TLX
A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.
132 on file from NHTSA, as of 2026-10-19.
About P0455 on the 2021 Acura TLX: what the code means, and the bulletins and recalls about the same components.
By type
By component
By trouble code
Only bulletins with trouble code: P0455 are shown. Show all
| B21-007 | 2022-09-27. Service bulletin. FUEL SYSTEM, GASOLINE; ENGINE AND ENGINE COOLING. "Service Bulletin - The MIL comes on with DTC P0455 (Evaporative Emission [EVAP] System Very Large Leak Detected) stored. The fuel main flap unit may have stuck open, causing a DTC to set." |
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| B21-007 | 2022-09-14. Service bulletin. ENGINE AND ENGINE COOLING; FUEL SYSTEM, GASOLINE. Dealer message - The MIL comes on with DTC P0455 (Evaporative Emission [EVAP] System Very Large Leak Detected) stored. The fuel main flap unit may have stuck open, causing a DTC to set. |
| B21-007 | 2021-02-10. Service bulletin. ENGINE AND ENGINE COOLING. Service Bulletin - The MIL comes on with DTC P0455 (Evaporative Emission [EVAP] System Very Large Leak Detected) stored. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.