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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
B17-0342017-10-21. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. 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 - RFP (R2017-10-15. Service bulletin. FUEL SYSTEM, GASOLINE. Dealer message - American Honda (AHM) is investigating certain 2014 MDXs & RLXs with a complaint of the Malfunction Indicator Lamp (MIL) on with the 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) stored. To fully understand the cause of this condition, AHM would like to collect specific parts from the vehicle prior to your attempting any further repair of any kind.
Service Bulletin2017-10-05. Service bulletin. SEAT BELTS:FRONT:RETRACTOR. Service bulletin - In extremely cold weather, -4 ºF (-20 ºC), interference in the front seat belt retractor mechanism may not allow the front seat belt to extend or retract properly.
DLR MSG - Acura2017-10-05. Service bulletin. AIR BAGS. Dealer message - Yesterday, October 7, 2014 Acura notified NHTSA of a Stop Sale order and Safety Recall for 36,335 2014-15 MDX and 7,126 RLX vehicles. Any new or used vehicles in dealer stock must be repaired per S/B 14-038, Safety Recall: Front Seatbelts Will Not Extend or Retract Properly in Extremely Cold Weather prior to sale.
2014-2015 MDX, 22017-10-05. Service bulletin. SEAT BELTS. 2014-15 MDX & 2014 RLX Seat Belts Won't Extend/Retract Safety Recall Q&A
Service Bulletin2017-10-04. Service bulletin. SEAT BELTS:FRONT. Service bulletin - In extremely cold weather, -4 ºF (-20 ºC), interference in the front seat belt retractor mechanism may not allow the front seat belt to extend or retract properly.
DLR MSG - Acura2017-10-04. Service bulletin. SEAT BELTS:FRONT. Dealer message - Yesterday, October 7, 2014 Acura notified NHTSA of a Stop Sale order and Safety Recall for 36,335 2014-15 MDX and 7,126 RLX vehicles. Any new or used vehicles in dealer stock must be repaired per S/B 14-038, Safety Recall: Front Seatbelts Will Not Extend or Retract Properly in Extremely Cold Weather prior to sale.
2014-2015 MDX, 22017-10-04. Service bulletin. SEAT BELTS. 2014-15 MDX & 2014 RLX Seat Belts Won't Extend/Retract Safety Recall Q&A
DLR MSG - RFV -2017-09-29. 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.
DLR MSG - RFI -2017-09-29. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. Dealer message - American Honda (AHM) is investigating certain 2014-2015MDXs 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.
Service Bulletin2017-09-27. Service bulletin. POWER TRAIN; STEERING. Service bulletin - After driving in reverse and steering, there is a buzz or grunt after shifting from Reverse to Drive and turning the steering wheel. For example, the client turns while backing out of a driveway, shifts to Drive, and then turns the wheels to drive off, may hear the buzz or grunt. The software that manages the electric power steering (EPS) is designed to provide good steering 'feedback' in all vehicle operating conditions. To acquire the correct 'feel,' different settings are required in reverse and forward directions. The improved software is designed to prevent the buzz or grunt during the transition of rapidly changing from Reverse to Drive while turning the wheel to maneuver the vehicle.
DLR MSG - RFI -2017-09-27. Service bulletin. ELECTRICAL SYSTEM. Dealer message - American Honda (AHM) is investigating certain 2014-2015 MDXs 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.
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.
ENG REQ - BER1412017-08-25. Service bulletin. ENGINE. Engineering request for investigation - 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 - RFI -2017-08-25. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY. 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 -2017-08-25. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY. 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.
B170032017-08-25. Service bulletin. EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. 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.
Service Bulletin2017-08-25. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY. Service bulletin - There is a rattle coming from the second row passenger seat while driving on rough roads. A cable link inside the seat is rattling against the frame.
DLR MSG - RFP -2017-08-25. 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 - 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.
Service Bulletin2017-08-15. Service bulletin. SEAT BELTS:FRONT:RETRACTOR. Service bulletin - In extremely cold weather, -4 ºF (-20 ºC), interference in the front seat belt retractor mechanism may not allow the front seat belt to extend or retract properly.
Service Bulletin2017-08-15. Service bulletin. TIRES:PRESSURE MONITORING AND REGULATING SYSTEMS. Service bulletin - For any TPMS-related warranty repairs, all recorded DTCs must now be entered into the warranty claim. Make sure your repair order includes those DTCs.

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