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Service bulletins for the 2014 Acura RLX

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.

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

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Bulletins, newest first
ENG REQ - BER1412017-08-25. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:OTHER FUEL TYPES:TURBO/SUPERCHARGER. Engineering request for investigation - American Honda (AHM) is investigating certain 2014-2015 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 repair.
DLR MSG - RFP -2017-08-25. Service bulletin. TIRES. Dealer message - American Honda (AHM) is investigating certain 2014-2015RLXs with a complaint that the low tire pressure/TPMS indicator is on and the tire pressure is low, causing the client to regularly add air to their tire(s). To fully understand the cause of this condition, AHM would like to collect specific parts from the vehicle prior to you attempting any repair.
DLR MSG - RFP -2017-08-25. Service bulletin. TIRES. Dealer message - American Honda (AHM) is investigating certain 2014-2015RLXs with a complaint that the low tire pressure/TPMS indicator is on and the tire pressure is low, causing the client to regularly add air to their tire(s). To fully understand the cause of this condition, AHM would like to collect specific parts from the vehicle prior to you attempting any repair.
DLR MSG - RFP -2017-08-25. Service bulletin. TIRES. Dealer message - American Honda (AHM) is investigating certain 2014-2015RLXs with a complaint that the low tire pressure/TPMS indicator is on and the tire pressure is low, causing the client to regularly add air to their tire(s). To fully understand the cause of this condition, AHM would like to collect specific parts from the vehicle prior to you attempting any repair.
DLR MSG - RFP -2017-08-25. Service bulletin. TIRES. Dealer message - American Honda (AHM) is investigating certain 2014-2015RLXs with a complaint that the low tire pressure/TPMS indicator is on and the tire pressure is low, causing the client to regularly add air to their tire(s). To fully understand the cause of this condition, AHM would like to collect specific parts from the vehicle prior to you attempting any repair.
DLR MSG - RFP -2017-08-25. Service bulletin. ENGINE. Dealer message - American Honda (AHM) is investigating certain 2014-2015RLXs 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 repair.
Service Bulletin2017-08-25. Service bulletin. EXTERIOR LIGHTING:HEADLIGHTS. Service bulletin - The reflective film backing material inside the headlights may delaminate, which may result in the vehicle no longer conforming to Federal Motor Vehicle Safety Standard No. 108.
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.
2014-15 RLX LED2017-08-25. Service bulletin. EXTERIOR LIGHTING:HEADLIGHTS. 2014-15 RLX Headlight LED Lens Film Delaminates Safety Recall Q&A
BTS1612022017-08-25. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER. Tech line summary article - We?re getting reports of a high-pitched whine with the A/C running. It goes away when the A/C is turned off. Changing the fan speed has no effect on the noise, and it seems to be worse with the engine running between 1,600 to 2,100 rpm.
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. EXTERIOR LIGHTING:HEADLIGHTS. Service Bulletin - The reflective film backing material inside the headlights may delaminate, which may result in the vehicle no longer conforming to Federal Motor Vehicle Safety Standard No. 108.
DLR MSG - RFP -2017-08-25. Service bulletin. TIRES. Dealer message - American Honda (AHM) is investigating certain 2014-2015 RLXs with a complaint that the low tire pressure/TPMS indicator is on and the tire pressure is low, causing the client to regularly add air to their tire(s). To fully understand the cause of this condition, AHM would like to collect specific parts from the vehicle prior to you attempting any repair.
DLR MSG - RFP -2017-08-25. Service bulletin. TIRES. Dealer message - American Honda (AHM) is investigating certain 2014-2015 RLXs with a complaint that the low tire pressure/TPMS indicator is on and the tire pressure is low, causing the client to regularly add air to their tire(s). To fully understand the cause of this condition, AHM would like to collect specific parts from the vehicle prior to you attempting any repair.
DLR MSG - RFP -2017-08-25. Service bulletin. TIRES. Dealer message - American Honda (AHM) is investigating certain 2014-2015 RLXs with a complaint that the low tire pressure/TPMS indicator is on and the tire pressure is low, causing the client to regularly add air to their tire(s). To fully understand the cause of this condition, AHM would like to collect specific parts from the vehicle prior to you attempting any repair.
DLR MSG - RFP -2017-08-25. Service bulletin. TIRES. Dealer message - American Honda (AHM) is investigating certain 2014-2015 RLXs with a complaint that the low tire pressure/TPMS indicator is on and the tire pressure is low, causing the client to regularly add air to their tire(s). To fully understand the cause of this condition, AHM would like to collect specific parts from the vehicle prior to you attempting any repair.
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.
DLR MSG - 2014 R2017-08-25. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. Dealer message - Please do not perform any software updates on 2014 RLX Hybrid units related to the Adaptive Cruise Control (ACC) unit until further notice. There is a bug in the software that causes the ACC unit to become unresponsive and require replacement. Once the bug has been fixed, another iN message will be published.
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. POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM). Service bulletin - The MIL comes on with DTC P2176 (throttle actuator control system idle position not learned). The PCM misinterprets the throttle position sensor signals and sets DTC P2176.
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.
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.
ENG REQ - BER1412017-08-15. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY. Engineering request for investigation - American Honda (AHM) is investigating certain 2014-2015 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 repair.

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