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Service bulletin B20-015

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.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id10179400
Published by NHTSA2020-09-04
Manufacturer's numberB20-015
Manufacturer's date2020-08-24
NHTSA componentPOWER TRAIN; EQUIPMENT

NHTSA's summary

Service Bulletin - The transmission has intermittent harsh or jerky upshifts with steady acceleration.

The document

The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Components

Equipment and accessories, Transmission and driveline

Vehicles listed
ACURA MDX2016, 2017, 2018, 2019, 2020
ACURA TLX2015, 2016, 2017

Listing a model year does not mean every vehicle of it is concerned: the document says which.

Recalls for the same vehicles and component
16V6400002016-09-06. POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM)
20164282016-09-02. Powertrain
14V7790002014-12-08. POWER TRAIN:AUTOMATIC TRANSMISSION
20145382014-11-28. Powertrain
14V6130002014-10-01. EQUIPMENT:OTHER:LABELS

A recall listed here may apply to some of the same vehicles. Only the manufacturer can say whether it applies to one vehicle.

Other bulletins for the same vehicles and component
B20-0192022-07-07. Service bulletin. "Service bulletin - When speeding up, slowing down, stopping, or turning, you hear or feel a noticeable clicking/popping from the driver's and/or front passenger's seat-back. Clients sometimes compare this to someone kicking the back of the seat. This sensation can also happen when adjusting the seat or shifting your weight in it."
B980152022-05-09. Service bulletin. Special Tool Loan Program: Under TOOLS AVAILABLE FOR LOAN, the list has been updated.
Technical Resear2022-05-09. Service bulletin. American Honda (AHM) is investigating certain 2014-2016 MDXs with a client complaint of front bearing noise coming from the front while driving. The noise can be described as howling or moaning. To fully understand the cause of this condition, AHM would like to collect specific parts from the vehicle prior to you attempting a repair of any kind.
Parts and Servic2022-05-09. Service bulletin. American Honda (AHM) is investigating certain 2014-2016 MDXs with a client complaint of front bearing noise coming from the front while driving. The noise can be described as howling or moaning. To fully understand the cause of this condition, AHM would like to collect specific parts from the vehicle prior to you attempting a repair of any kind.
SB160112022-05-09. Service bulletin. Today, February 26, 2016, American Honda Motor Co., Inc. is announcing a Product Update for certain ILX, RLX, RLX Hybrid, and TLX model years 2014-16 vehicles for sale in the state of Hawaii to amend Monroney labels that were printed without bumper impact information.
BTI&011920229012022-01-26. Service bulletin. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for 2017 MDXs, RDXs, RLXs & TLXs with a client complaint of the Malfunction Indicator Light (MIL) on with the DTC P2652 (Rocker Arm Oil Pressure Switch B [Bank 1] Stuck On) & P3400 (Valve Pause System [VPS] Stuck Off Bank 1) stored. Client may also complain of rough engine running conditions. To better understand the cause of this condition, AHM would like to inspect the vehicle prior to you attempting a repair of any kind.
BTI&010320229122022-01-12. Service bulletin. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for 2017 MDXs, RDXs, RLXs & TLXs with a client complaint of the Malfunction Indicator Light (MIL) on with the DTC P2652 (Rocker Arm Oil Pressure Switch B [Bank 1] Stuck On) & P3400 (Valve Pause System [VPS] Stuck Off Bank 1) stored. Client may also complain of rough engine running conditions. To better understand the cause of this condition, AHM would like to inspect the vehicle prior to you attempting a repair of any kind.
Acura TLX2021-12-13. Service bulletin. Our records indicate that you are still eligible for a PRODUCT IMPROVEMENT that has not been completed on this vehicle; refer to the address card for the affected VIN. We released a software update for the audio, navigation, and hands-free phone systems in your navigation-equipped TLX. This software update provides functional and graphical improvements to make the systems more user friendly.
BTI&080920219042021-08-18. Service bulletin. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2017-2020 MDX V6s (non-Hybrid) with a client complaint of the Malfunction Indicator Light (MIL) on with the misfire DTCs P0300-P0306 stored. To better understand the cause of this condition, AHM would like to collect specific parts from the vehicle prior to you attempting a repair of any kind.
PIC - 2015 TLX O2021-07-06. Service bulletin. Our records indicate that you are still eligible for a PRODUCT IMPROVEMENT that has not been completed on this vehicle; refer to the address card for the affected VIN. We released a software update for the audio, navigation, and hands-free phone systems in your navigation-equipped TLX. This software update provides functional and graphical improvements to make the systems more user friendly.