Service bulletin B16041

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)
Type	Service bulletin
NHTSA id	10085257
Published by NHTSA	2016-11-30
Manufacturer's number	B16041
Manufacturer's date	2016-08-16
NHTSA component	ELECTRICAL SYSTEM:12V/24V/48V BATTERY; ELECTRICAL SYSTEM:SOFTWARE

NHTSA's summary

SERVICE BULLETIN - THE BATTERY MANAGEMENT SYSTEM (BMS) HAS DETERMINED THAT THE INTERNAL RESISTANCE OF THE BATTERY IS TOO HIGH AND NEEDS REPLACEMENT, WHICH IS THE REASON THE MESSAGE IS DISPLAYED IN THE MID AND THE BATTERY WAS REPLACED. THE NEW SOFTWARE ENABLES THIS MESSAGE TO CLEAR.

The document

No address for NHTSA's copy can be built for this communication. Ask the dealer for it by the manufacturer's number.

Components

Electrical system, 12-volt battery, Software

Vehicles listed
ACURA TLX	2015

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

Other bulletins for the same vehicles and component
B22-009	2022-04-07. Service bulletin. "Service bulletin - Under certain circumstances, after coming to a stop and engaging idle stop the vehicle may not restart automatically due to excessive cylinder pressure and/or low cranking torque. Typically, the client can immediately restart the vehicle by selecting Park and pressing the ENGINE START/STOP button. Acura is extending the warranty coverage for valve adjustment and starter replacement related to this condition to 10 years from the original date of purchase with no mileage limitation."
B22-008	2022-04-07. Service bulletin. "Service bulletin - Under certain circumstances, after coming to a stop and the idle stop feature engages, the vehicle may not automatically restart. Typically, the customer can immediately restart the vehicle by selecting Park and pushing the ENGINE START/STOP button."
JL0-0000491	2021-05-13. Service bulletin. To ensure Acura clients have the best ownership experience, new software is sometimes released to improve the operation of our product. Recently, 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 use friendly.
JN4-00000846	2021-05-13. Service bulletin. Our records indicate that a PRODUCT UPDATE has not been completed on this vehicle, refer to the address card for the affected VIN. When a vehicle passes behind the 2015 TLX, the Cross-Traffic Monitoring (CTM) audible alert does not sound. The display screen shows the CTM indicators (orange arrows) only.
B19-049	2019-08-20. Service bulletin. Service Bulletin - The MIL comes on with DTC P0420 (rear bank catalyst system efficiency below threshold [bank 1]).
BPaS10172018905	2018-10-29. Service bulletin. Dealer message - American Honda Motor Co., Inc. (AHM) is investigating certain 2015-2016 TLX V6s & 2016 MDXs with a client complaint of a no-start condition that requires the 12V battery to be replaced. 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.
BPaS09172018908	2018-10-15. Service bulletin. Dealer message - American Honda Motor Co., Inc. (AHM) is investigating certain 2015-2016 TLX V6s & 2016 MDXs with a client complaint of a no-start condition that requires the 12V battery to be replaced. 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.
BPaS07272018906	2018-08-20. Service bulletin. Dealer message - American Honda Motor Co., Inc. (AHM) is investigating certain 2015-2016 TLX V6s & 2016 MDXs with a client complaint of a no-start condition that requires the 12V battery to be replaced. 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
BPaS07092018905	2018-08-06. Service bulletin. Dealer message - American Honda Motor Co., Inc. (AHM) is investigating certain 2015-2016 TLX V6s & 2016 MDXs with a client complaint of a no-start condition that requires the 12V battery to be replaced. 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.
B18070E	2018-08-06. Service bulletin. Servicenews article - We're currently looking into a no-start issue requiring 12-volt battery replacement. To fully understand what's causing this issue, we need to collect failed batteries from vehicles that meet these criteria.