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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.

By type

By component

By trouble code

Bulletins, newest first
DLR MSG - RFI -2017-08-15. Service bulletin. FUEL SYSTEM, OTHER. 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.
DLR MSG - RFI -2017-08-15. Service bulletin. ENGINE AND ENGINE COOLING. 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.
DLR MSG - RFV -2017-08-15. Service bulletin. ENGINE. Dealer message - American Honda (AHM) is investigating certain 2014-2015 MDXs with a complaint of in-cabin engine noise while driving at slow speeds or during idle RPM sweep. The noise can be described as ringing. To fully understand the cause of this condition, AHM would like to inspect the vehicle prior to you attempting 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.
DLR MSG - RFV -2017-08-10. Service bulletin. ENGINE. Dealer message - American Honda (AHM) is investigating certain 2014-2015 MDXs with a complaint of in-cabin engine noise while driving at slow speeds or during idle RPM sweep. The noise can be described as ringing. To fully understand the cause of this condition, AHM would like to inspect the vehicle prior to you attempting any repair.
BTS1607042017-07-31. Service bulletin. STEERING; SERVICE BRAKES. Tech line summary article - Are you feeling a vibration in the steering wheel while braking? We?re aware of this issue and are currently looking for a solution.
B16-0082017-07-31. Service bulletin. FUEL SYSTEM, GASOLINE:DELIVERY:FUEL PUMP; FUEL SYSTEM, GASOLINE. Service bulletin - The high pressure fuel pump area chirps after the engine is warm. The high pressure fuel pump is making a chirp.
Service Bulletin2017-07-31. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM). Service bulletin - The MIL comes on with DTC P0134 (rear A/F sensor [bank 1, sensor 1] heater system malfunction) and/or P0154 (front A/F sensor [bank 2, sensor 1] heater system malfunction). The PCM misinterprets the heater system input from the A/F sensor and sets DTC codes P0134 and/or P0154.
DLR MSG - RFP -2017-07-31. Service bulletin. WHEELS. Dealer message - American Honda (AHM) is investigating certain 2014-2015 MDXs with a complaint of a noise coming from the front wheel bearing while driving. The noise can be described as humming, moaning, or droning. To fully understand the cause of this occurrence, AHM would like to collect specific parts from the vehicle prior to you attempting a repair of any kind.
DLR MSG - RFV -2017-07-31. Service bulletin. ENGINE; STRUCTURE:BODY. Dealer message - American Honda (AHM) is investigating certain 2014-2015 MDXs with a complaint of in-cabin engine noise while driving at slow speeds or during idle RPM sweep. The noise can be described as ringing. To fully understand the cause of this condition, AHM would like to inspect the vehicle prior to you attempting any repair.
DLR MSG - RFP -2017-07-31. Service bulletin. WHEELS; POWER TRAIN. Dealer message - American Honda (AHM) is investigating certain 2014-2015 MDXs with a complaint of a noise coming from the front wheel bearing while driving. The noise can be described as humming, moaning, or droning. To fully understand the cause of this occurrence, AHM would like to collect specific parts from the vehicle prior to you attempting a repair of any kind.
DLR MSG - RFV -2017-07-31. Service bulletin. POWER TRAIN; STRUCTURE:BODY. Dealer message - American Honda (AHM) is investigating certain 2014-2015 MDXs with a complaint of in-cabin engine noise while driving at slow speeds or during idle RPM sweep. The noise can be described as ringing. To fully understand the cause of this condition, AHM would like to inspect the vehicle prior to you attempting any repair.
B14-0312017-07-31. Service bulletin. STEERING:COLUMN; STEERING:GEAR BOX (OTHER THAN RACK AND PINION). Service bulletin - In high ambient temperatures, the steering column screeches or squeals when it moves in or out. Premature wear of the steering column gearbox components.
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.
BTS1702012017-07-28. Service bulletin. EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.; STEERING. Techline summary article - We?re currently looking at an issue concerning a disruption of AM reception when sharply turning the steering wheel. Some clients report that while driving slowly and listening to AM radio, they?re hearing a whoosh or static sound from the speakers when sharply turning the steering wheel left or right.
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).
ENG REQ - BER1502017-07-17. Service bulletin. SERVICE BRAKES; EQUIPMENT:MECHANICAL. Engineering request for investigation - American Honda (AHM) is investigating certain 2014 MDXs with clients reporting a vehicle with 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 MSG - RFP -2017-07-17. Service bulletin. SERVICE BRAKES; EQUIPMENT:MECHANICAL. Dealer message - American Honda (AHM) is investigating certain 2014 MDXs with clients reporting a vehicle with 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.
Service Bulletin2017-07-12. Service bulletin. ENGINE AND ENGINE COOLING. Service bulletin - The timing belt area makes a chirp after the engine warms up. The timing belt contacts the back edge of the crankshaft pulley.
DLR MSG - RFP -2017-07-10. Service bulletin. SERVICE BRAKES. "DEALER MESSAGE - AMERICAN HONDA (AHM) IS INVESTIGATING CERTAIN 2014 MDXS WITH CLIENTS REPORTING A VEHICLE WITH 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."
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."
B15-0292017-06-30. Service bulletin. FORWARD COLLISION AVOIDANCE: CRASH IMMINENT BRAKING; FORWARD COLLISION AVOIDANCE: SENSING SYSTEM. "SERVICE BULLETIN - UNDER CERTAIN SPECIFIC DRIVING CONDITIONS, THE COLLISION MITIGATION BRAKING SYSTEM (CMBS) COULD LOCK ON AN INCORRECT TARGET. IF THIS OCCURS, THE CMBS MAY APPLY THE BRAKES IN AN ATTEMPT TO STOP THE VEHICLE. IF THE VEHICLE SUDDENLY SLOWS OR COMES TO A STOP, IT COULD INCREASE THE RISK OF A CRASH."
B15-0172017-06-30. Service bulletin. EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM); EQUIPMENT:ELECTRICAL. SERVICE BULLETIN - THE ACURALINK SYSTEM STATUS INDICATOR CHANGES FROM GREEN TO RED AND DTC B1403 (TELEMATICS GPS RECEIVER ERROR) WILL NOT CLEAR. THE TCU (TELEMATICS CONTROL UNIT) HAS AN INTERMITTENT FAILURE THAT CAUSES A LOSS OF GPS LOCATION.
DLR MSG - ACURA2017-06-30. Service bulletin. FORWARD COLLISION AVOIDANCE: CRASH IMMINENT BRAKING; FORWARD COLLISION AVOIDANCE: SENSING SYSTEM. "DEALER MESSAGE - ON MAY 13, 2015 ACURA NOTIFIED NHTSA OF A STOP SALE ORDER AND SAFETYRECALL FOR 19,502 MODEL YEAR 2014-15, MDX, RLX, AND 2014 RLX SPORT HYBRID VEHICLES. ANY NEW OR USED VEHICLES IN DEALER STOCK MUST BE REPAIRED PER THE RELEVANT SERVICE BULLETIN PRIOR TO SALE. UNDER CERTAIN DRIVING CONDITIONS, THE COLLISION MITIGATION BRAKING SYSTEM (CMBS) MAY UNEXPECTEDLY ACTIVATE WHILE OPERATING THE VEHICLE."
B17040B2017-06-30. Service bulletin. EQUIPMENT:MECHANICAL; POWER TRAIN:DRIVELINE:DIFFERENTIAL UNIT. "SERVICE NEWS ARTICLE - ARE YOU LOOKING AT WHAT SEEMS TO BE A REAR DIFFERENTIAL AXLE SEAL OR PINION SEAL LEAK? SOMETHING TO KEEP IN MIND: THE ACTUAL CULPRIT MAY BE SOMETHING LOOSE OR DAMAGED ABOVE IT. A LOOSE OR DAMAGED FLUID PRESSURE SENSOR WILL DRIP REAR DIFFERENTIAL FLUID ONTO THE AXLE SEAL. A LOOSE FLUID PRESSURE CHECK PORT WILL DRIP THAT FLUID ONTO THE PINION SEAL."

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