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Service bulletins for the 2018 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.

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

By type

By component

By trouble code

Only bulletins with component: Transmission and driveline are shown. Show all

Bulletins, newest first
B19-0032020-12-09. Service bulletin. ENGINE AND ENGINE COOLING; POWER TRAIN. Service Bulletin - During a downshift from 9th or 8th gear to 7th gear or lower, a miscalculation in the TCM software causes the MIL to come on with DTC P0716 (input shaft [mainshaft] speed sensor [range/performance]).
B20-0152020-11-03. Service bulletin. POWER TRAIN; EQUIPMENT ADAPTIVE/MOBILITY; EQUIPMENT. Service Bulletin - The transmission has intermittent harsh or jerky upshifts with steady acceleration.
B19-0032019-07-23. Service bulletin. POWER TRAIN. Service Bulletin - During a downshift from 9th or 8th gear to 7th gear or lower, a miscalculation in the TCM software causes the MIL to come on with DTC P0716, input shaft [mainshaft] speed sensor [range/performance].
B19-0032019-06-19. Service bulletin. POWER TRAIN; ENGINE AND ENGINE COOLING. Service Bulletin - During a downshift from 9th or 8th gear to 7th gear or lower, a miscalculation in the TCM software causes the MIL to come on with DTC P0716, input shaft [mainshaft] speed sensor [range/performance].
B19-0052019-03-14. Service bulletin. ELECTRICAL SYSTEM; POWER TRAIN. "Service Bulletin - The vehicle may exhibit several of the following symptoms: - Multiple indicators are on. - No communication with the i-HDS. - The option fuse (7.5 A) is blown. - MDX: Fuse E21 - TLX: Fuse B7 - MDX: It is hard to shut off the engine. - TLX: The transmission will not shift from park."
B15-0392018-10-15. Service bulletin. POWER TRAIN. Service bulletin - The transmission end cover leaks on vehicles with 9-speed A/T. During assembly, the transmission end cover sealing gasket gets torn.
B18-0142018-05-07. Service bulletin. SEATS; POWER TRAIN. Service bulletin - When adjusting seat height or tilt, the power seat does not move or moves just a small amount and clicks loudly during operation. The vertical transmission assembly (VTA) unit has a stripped internal gear.
B17-0342017-09-27. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM); ELECTRICAL SYSTEM; ENGINE. Service bulletin - The MIL comes on with DTC P0430 (front bank catalyst system efficiency below threshold [Bank 2]). The PCM software may misinterpret sensor inputs as a deteriorated catalytic converter.
B17-0342017-09-14. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM); ELECTRICAL SYSTEM:SOFTWARE. Service bulletin - The MIL comes on with DTC P0430 (front bank catalyst system efficiency below threshold [Bank 2]).
DLR MSG - Acura2017-08-10. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM); ELECTRICAL SYSTEM:SOFTWARE; POWER TRAIN:AUTOMATIC TRANSMISSION. Dealer message - The METER reflash process for Cross Traffic Monitoring System inadvertently erases the idle characteristics learned by the PCM, and the HDS shows Idle Torque Learning as "Not Completed." The drivability symptoms which can result from this condition range from harsh 2-1 downshift, high rpm at idle, surging coming to a stop, and idle fluctuation.

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