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Service bulletins for the 2022 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.

104 on file from NHTSA, as of 2026-10-19.

By type

By component

By trouble code

Only bulletins with component: Engine are shown. Show all

Bulletins, newest first
B25-0482025-09-23. Service bulletin. ENGINE. Service Bulletin - Oil leak at the cam chain tensioner inspection cover due to and insufficient sealant adhesion on the inspection cover.
ONL6WU042820232023-05-04. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL; ENGINE AND ENGINE COOLING. Owner Notification Letter - An owner's notification that the owner has not completed the emissions recall for an improperly functioning on-board emission-related diagnostic system.
B23-0102023-03-23. Service bulletin. ENGINE AND ENGINE COOLING. Service Bulletin - Under certain circumstances, the vehicle may experience driveability concerns. This may result in the following DTC’s to set: • P0300 (Random Misfire Detected), • P0301 (No. 1 Cylinder Misfire Detected), • P0302 (No. 2 Cylinder Misfire Detected), • P0303 (No. 3 Cylinder Misfire Detected), • P0304 (No. 4 Cylinder Misfire Detected), • P0172 (Fuel System Too Rich)
B21-0072022-09-27. 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."
B21-0072022-09-14. 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.
Emissions Recall2022-05-06. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL; ENGINE AND ENGINE COOLING; ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM):SOFTWARE. "Customer letter - Your vehicle may be equipped with an improperly functioning on-board emission-related diagnostic system that violates California and Federal standards and regulations."
BBOM021820222022-02-23. Service bulletin. ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING. Dealer Message - Today, February 18, 2022, Acura is announcing a stop sale and emissions recall for certain 2021-2022 TLX Type S units for a software defect that may prevent the MIL from turning off and DTC P2402 from clearing. Refer to your eResponsibility report or perform an iN VIN status inquiry to determine which units in your inventory are affected.
B22-0072022-02-23. Service bulletin. ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING. Service Bulletin - Due to PGM-FI software errors, vehicles that experience an evaporative leak check module (ELCM) circuit failure may not be able to turn off the MIL and clear DTC P2402, even if repaired. Some 2021 TLX Type S models have an additional software error in the FI-ECU related to the OBD system. Both of these do not comply with OBD regulatory requirements and may prevent the vehicle from passing a smog check.
B21-0282021-11-03. Service bulletin. POWER TRAIN; ENGINE AND ENGINE COOLING. Service Bulletin - The MIL comes on with DTC P061B (PCM Internal Malfunction) is stored.

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.