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Service bulletins for the 2014 Acura MDX

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.

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

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Only bulletins with component: Electrical system are shown. Show all

Bulletins, newest first
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.
B15-0532017-09-27. Service bulletin. ELECTRICAL SYSTEM; ENGINE. Service bulletin - This bulletin is replaced by S/B 17-034, MIL Comes On with DTC P0430 (Front Bank Catalyst System Efficiency Below Threshold [Bank 2])
B170152017-09-27. Service bulletin. POWER TRAIN; ELECTRICAL SYSTEM. Service bulletin - Clients receive excessive notifications for a low power mode through AcuraLink®. There is a false CAN signal transmitted through the telematics control unit.
DLR MSG - RFI -2017-08-25. Service bulletin. ELECTRICAL SYSTEM. Questionnaire for 2014-2015 MDX/RLX MIL On with DTC P0154 or P0134 Stored
DLR MSG - RFI -2017-08-25. Service bulletin. ELECTRICAL SYSTEM. Dealer message - American Honda (AHM) is investigating certain 2014-2015 MDX & RLXs with a complaint that the Malfunction Indicator Lamp (MIL) is on and DTC P0154 (Front Air Fuel Ratio Sensor [Bank 2, Sensor 1]Heater System Malfunction) or P0134 (Rear Air Fuel Ratio Sensor [Bank 1, Sensor 1]Heater System Malfunction) is stored. To fully understand the cause of this condition, AHM would like to collect specific information from the vehicle prior to any repair.
B15-0362017-08-15. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER; ELECTRICAL SYSTEM:SOFTWARE. Service bulletin - The HVAC information flashes or flickers. There is a software error.
B15-0532017-07-31. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM). 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. ELECTRICAL SYSTEM:SOFTWARE; ELECTRICAL SYSTEM. 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. ELECTRICAL SYSTEM:SOFTWARE. "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."
DLR MSG - RFI -2017-06-29. Service bulletin. ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING. "DEALER MESSAGE - AMERICAN HONDA (AHM) IS INVESTIGATING CERTAIN 2014MDXS WITH CLIENTS REPORTING A VEHICLE WITH THE MILINDICATOR ON WITH DTC P0430 AND HAS NO HISTORY OF ENGINE MISFIRE OR OTHER ENGINE ISSUES. TO FULLY UNDERSTAND THE CAUSE OF THIS OCCURRENCE, AHM WOULD LIKE TO COLLECT INFORMATION FROM THE VEHICLE IN A SPECIFIC CONDITION PRIOR TO YOU ATTEMPTING A REPAIR OF ANY KIND."
B16-0632017-06-28. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:TORQUE CONVERTER; EQUIPMENT:ELECTRICAL; ELECTRICAL SYSTEM:SOFTWARE. "SERVICE BULLETIN - AFTER THE SOFTWARE UPDATE, SOME VEHICLES BASED ON HOW THEY ARE DRIVEN (EXTREME CONDITIONS) MAY STILL EXPERIENCE ATF DETERIORATION AFTER UPDATING THE PGM-FI OR A/T SYSTEM AND THE SHUDDER MAY RETURN. THE PROBLEM IS TYPICALLY DIAGNOSED AS A BAD TORQUE CONVERTER (TC). THERE IS NO DAMAGE TO THE TC, BUT BECAUSE THE ATF HAS DETERIORATED, IT NEEDS TO BE CHANGED EVEN THOUGH THE “ATF SERVICE DUE” MESSAGE HAS NOT APPEARED. MAKE SURE THE VEHICLE IS UPDATED BY REFERRING TO THE INSPECTION PROCEDURE."
B15-036 - 8-21-12017-06-20. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; EQUIPMENT:APPLIANCE:AIR CONDITIONER. SERVICE BULLETIN -THE HVAC INFORMATION FLASHES OR FLICKERS DUE TO A SOFTWARE ERROR.
B15-046-9-18-152017-06-16. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; EQUIPMENT:APPLIANCE:AIR CONDITIONER. SERVICE BULLETIN - A SOFTWARE ERROR CAUSES THE HVAC INFORMATION TO FLASH OR FLICKER.
B16-0632017-05-23. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; POWER TRAIN:AUTOMATIC TRANSMISSION. SERVICE BULLETIN - AFTER THE SOFTWARE UPDATE, SOME VEHICLES BASED ON HOW THEY ARE DRIVEN (EXTREME CONDITIONS) MAY STILL EXPERIENCE ATF DETERIORATION AFTER UPDATING THE PGM-FI SYSTEM AND THE SHUDDER MAY RETURN. THE PROBLEM IS TYPICALLY DIAGNOSED AS A BAD TORQUE CONVERTER (TC). THERE IS NO DAMAGE TO THE TC, BUT BECAUSE THE ATF HAS DETERIORATED, IT NEEDS TO BE CHANGED EVEN THOUGH THE “ATF SERVICE DUE” MESSAGE HAS NOT APPEARED. MAKE SURE THE VEHICLE IS UPDATED BY REFERRING TO THE INSPECTION PROCEDURE.
B16-0622017-05-23. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION; ELECTRICAL SYSTEM:SOFTWARE. "SERVICE BULLETIN - A JUDDER FROM THE TORQUE CONVERTER LOCK-UP CLUTCH MAY BE FELT WHILE DRIVING BETWEEN 20 AND 60 MPH. THE PROBLEM IS TYPICALLY DIAGNOSED AS A BAD TORQUE CONVERTER. AMERICAN HONDA INVESTIGATED THE JUDDER AND FOUND THAT THE TORQUE CONVERTER WAS NOT CAUSING THE JUDDER AND THE TRANSMISSION IS NOT DAMAGED BY THIS JUDDER. THE JUDDER WAS CAUSED BY DETERIORATED TRANSMISSION FLUID. THE TRANSMISSION FLUID DETERIORATES QUICKER THAN EXPECTED WHEN IT IS EXPOSED TO INTERMITTENT HIGH HEAT LOADS UNDER SPECIFIC DRIVING CONDITIONS. A SOFTWARE UPDATE IS AVAILABLE TO MAINTAIN THE TRANSMISSION FLUID TEMPERATURE WITHIN THE DESIRABLE RANGE UNDER ALL DRIVING CONDITIONS AND ELIMINATE THE POTENTIAL FOR THIS JUDDER."
B15-0532017-05-19. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CATALYTIC CONVERTOR. 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.
B15-0462017-05-12. Service bulletin. ELECTRICAL SYSTEM; LATCHES/LOCKS/LINKAGES:HOOD:LATCH. SERVICE BULLETIN - THE FACTORY SECURITY SYSTEM MAY SOUND ON ITS OWN OR THE SYSTEM MAY NOT SET. THE CLIENT MAY ALSO NOTICE THAT THE HORN DOES NOT SOUND OR THE LIGHTS DO NOT FLASH WHEN SETTING THE ALARM (SECURITY SYSTEM IS NOT SET). EXCESSIVE CLEARANCE IN THE HOOD LATCH CAUSES THE HOOD LATCH SWITCH TO INDICATE THE HOOD IS OPEN WHEN IT IS NOT.
IN-1-29-142014-02-27. Service bulletin. ELECTRICAL SYSTEM. HONDA: THE MALFUNCTION INDICATOR LAMP IS ILLUMINATED. STORED DTC P0158 (FRONT SECONDARY HEATED OXYGEN SENSOR CIRCUIT HIGH VOLTAGE) MAY BE PAIRED WITH P0138 (REAR SECONDARY HEATED OXYGEN SENSOR CIRCUIT HIGH VOLTAGE). AHM IS ATTEMPTING TO COLLECT SPECIFIC PARTS FROM THE VEHICLE BEFORE ANY EFFORT TO REPAIR IT HAS BEEN MADE. *JS

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