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Service bulletin B15-053

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 id10099805
Published by NHTSA2017-05-19
Manufacturer's numberB15-053
Manufacturer's date2015-12-22
NHTSA componentELECTRICAL SYSTEM:SOFTWARE; ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CATALYTIC CONVERTOR

NHTSA's summary

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.

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, Engine, Exhaust and emissions, Catalytic converter, Software

Trouble codes named

P0430

Vehicles listed
ACURA MDX2014, 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
JK9-00013812021-05-12. Service bulletin. To ensure Acura 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 MDX. This software update provides functional and graphical improvements to make the systems more user friendly.
B17-0342018-03-05. Service bulletin. 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.
DLR MSG - Client2017-10-27. Service bulletin. Dealer message - In a continuing effort to provide the highest level of client satisfaction, Acura has released a software update for the audio, navigation, and hands-free phone systems. This software update provides functional and graphical improvements to make the systems more user friendly in the 2015 MDX and TLX. Refer to VIN Inquiry status to determine which vehicles in your inventory are eligible for this update.
B17-0342017-10-21. Service bulletin. 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.
Service Bulletin2017-09-29. Service bulletin. Service bulletin - In a continuing effort to provide the highest level of client satisfaction, Acura has released a software update for the audio, navigation, and hands-free phone systems. This software update provides functional and graphical improvements to make the systems more user friendly in the 2015 MDX and TLX.
DLR MSG - 2015 T2017-09-29. Service bulletin. Dealer message - To maximize the positive effects of the updated ODMD software for 2015 TLX and MDX (and reduce client confusion), we are encouraging everyone to update all your on ground inventory immediately and of course all the inbound inventory which still requires updating as it arrives (at TQI).
B15-0362017-08-15. Service bulletin. Service bulletin - The HVAC information flashes or flickers. There is a software error.
B15-0532017-07-31. Service bulletin. 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.
B17020D2017-07-28. Service bulletin. Service news article - We?ve made an important change to the AcuraLink telematics unit that you need to be aware of. This change switches the coverage of the internal cellular module from Code Division Multiple Access (CDMA) to Long Term Evolution (LTE).
B17040C2017-06-30. Service bulletin. "SERVICE NEWS ARTICLE - AS A CONVENIENCE, CLIENTS GET FREE ACCESS TO ACURALINK REAL-TIME TRAFFIC FOR THE FIRST 3 YEARS OF VEHICLE OWNERSHIP. AFTER THAT, THEY MUST SUBSCRIBE TO ONE OF SEVERAL AVAILABLE ACURALINK® PACKAGES TO KEEP GETTING IT. CLIENTS WHOSE FREE ACCESS IS ENDING WILL GET AN E-MAIL ADVISING THEM OF THE SITUATION AND INVITING THEM TO SUBSCRIBE. YET, SOME CLIENTS MAY STILL COME INTO YOUR DEALERSHIP THINKING THERE’S SOMETHING WRONG WITH THEIR VEHICLE BECAUSE THEY CAN’T SEE REAL-TIME TRAFFIC ANYMORE."