Service bulletin B15-042-9-23-15

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	10106757
Published by NHTSA	2017-06-16
Manufacturer's number	B15-042-9-23-15
Manufacturer's date	2015-09-23
NHTSA component	EQUIPMENT:APPLIANCE:AIR CONDITIONER

NHTSA's summary

SERVICE BULLETIN - THERE IS A FLUTTERING NOISE FROM BEHIND THE DASHBOARD WITH THE HVAC SET TO FLOOR OR DEFROST MODE, THE BLOWER SET TO MAXIMUM, AND THE TEMPERATURE SET TO MAXIMUM HEAT. UNDER CERTAIN HVAC SETTINGS, THE DEFROST DAMPER DOOR LINKAGE CAN FLUTTER. THIS CAN BE INITIALLY TRIGGERED BY AN EXTERNAL IMPACT, SUCH AS DRIVING OVER A POT HOLE OR DOWN A ROUGH ROAD.

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

Equipment and accessories, Heating and air conditioning

Vehicles listed
ACURA TLX	2015

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

Recalls for the same vehicles and component
14V613000	2014-10-01. 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
B98015	2022-05-09. Service bulletin. Special Tool Loan Program: Under TOOLS AVAILABLE FOR LOAN, the list has been updated.
B15042	2022-05-09. Service bulletin. SYMPTOM There is a fluttering noise from behind the dashboard with the HVAC set to floor or defrost mode, the blower set to maximum, and the temperature set to maximum heat. POSSIBLE CAUSE Under certain HVAC settings, the defrost damper door linkage can flutter. This can be initially triggered by an external impact, such as driving over a pot hole or down a rough road.
SB16011	2022-05-09. 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.
Acura TLX	2021-12-13. 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.
PIC - 2015 TLX O	2021-07-06. 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.
DLR-02-19-2016	2021-05-19. Service bulletin. Background American Honda (AHM) is investigating certain 2015 TLXs with a customer complaint of brake judder. 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.
DLR-03-29-2016	2021-05-19. Service bulletin. Background American Honda (AHM) is investigating certain 2015 TLXs with a customer complaint of brake judder. 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.
SB-16-011 03232	2021-05-14. Service bulletin. BACKGROUND On the Monroney label, the bumper compliance statement is missing. Do an iN VIN status inquiry to make sure the vehicle is shown as eligible. Vehicles affected by this campaign may be in your new vehicle inventory. Repair these vehicles before they are sold. No action is needed on vehicles that have been sold. CORRECTIVE ACTION Attach the Monroney update label to the window area next to the Monroney label.
SB-15-042	2021-05-13. Service bulletin. SYMPTOM There is a fluttering noise from behind the dashboard with the HVAC set to floor or defrost mode, the blower set to maximum, and the temperature set to maximum heat. POSSIBLE CAUSE Under certain HVAC settings, the defrost damper door linkage can flutter. This can be initially triggered by an external impact, such as driving over a pot hole or down a rough road.
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.