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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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Only bulletins with component: Driver assistance are shown. Show all

Bulletins, newest first
High Pressure Fu2022-05-09. Service bulletin. STEERING; BACK OVER PREVENTION; SERVICE BRAKES, HYDRAULIC; FUEL SYSTEM, GASOLINE. American Honda (AHM) is investigating certain 2014-2016 RLXs with a client complaint of a chirping noise coming from the high pressure fuel pump during engine operation. 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.
SB160112022-05-09. Service bulletin. ENGINE AND ENGINE COOLING; EQUIPMENT; BACK OVER PREVENTION; EQUIPMENT:OTHER:LABELS. Today, February 26, 2016, American Honda Motor Co., Inc. is announcing a Product Update for certain ILX, RLX, RLX Hybrid, and TLX model years 2014-16 vehicles for sale in the state of Hawaii to amend Monroney labels that were printed without bumper impact information.
B19050B2019-06-06. Service bulletin. ELECTRONIC STABILITY CONTROL (ESC). ServiceNews Article - When removing and installing a cable reel, you need to keep both the cable reel and the steering angle sensor in position. If you don't, the VSA indicator may come on along with one or more VSA DTCs. And when you run the Neutral Memorization Procedure in the i-HDS, it won't complete.
DLR MSG - RFP RF2018-03-05. Service bulletin. ELECTRONIC STABILITY CONTROL:AUTOMATIC (ASC); SUSPENSION; BACK OVER PREVENTION. Dealer message - American Honda (AHM)is investigating certain 2014 RLXs with a complaint of a front suspension noise when driving over bumps. The noise can be described as clunking or rattling. To fully understand the cause of this condition, AHM would like to inspect the vehicle and/or collect specific parts from the vehicle prior to you attempting any further repair of any kind.
Service Bulletin2018-03-05. Service bulletin. BACK OVER PREVENTION; ELECTRICAL SYSTEM:12V/24V/48V BATTERY; COMMUNICATION. Service bulletin - The i-MID displays the message 12 volt battery charging system problem. Also, DTC P16E3 (PGM-FI battery sensor LIN communication error) may be stored. The LIN communication bus may have experienced a communication problem.
DLR MSG - RFV RF2018-03-05. Service bulletin. BACK OVER PREVENTION; ELECTRONIC STABILITY CONTROL:AUTOMATIC (ASC); SUSPENSION. Dealer message - American Honda (AHM) is investigating certain 2014 RLXs with a complaint of a front suspension noise when driving over bumps. The noise can be described as clunking or rattling. To fully understand the cause of this condition, AHM would like to inspect the vehicle and/or collect specific parts from the vehicle prior to you attempting any further repair of any kind.
DLR MSG - RFV RF2018-03-05. Service bulletin. ELECTRONIC STABILITY CONTROL:AUTOMATIC (ASC); BACK OVER PREVENTION; SUSPENSION. Dealer message - American Honda (AHM) is investigating certain 2014 RLXs with a complaint of a front suspension noise when driving over bumps. The noise can be described as clunking or rattling. To fully understand the cause of this condition, AHM would like to inspect the vehicle and/or collect specific parts from the vehicle prior to you attempting any further repair of any kind.
DLR MSG - 2014 R2017-07-31. Service bulletin. FORWARD COLLISION AVOIDANCE: ADAPTIVE CRUISE CONTROL; ELECTRICAL SYSTEM:SOFTWARE; ELECTRICAL SYSTEM. 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. Please note this message only applies to RLX Hybrid units. Non-hybrid units are ok.
DLR MSG - 2014 R2017-07-31. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; FORWARD COLLISION AVOIDANCE: ADAPTIVE CRUISE CONTROL. 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. Please note this message only applies to RLX Hybrid units. Non-hybrid units are ok.
DLR MSG - 2014 R2017-07-31. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; FORWARD COLLISION AVOIDANCE: ADAPTIVE CRUISE CONTROL. 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. Please note this message only applies to RLX Hybrid units. Non-hybrid units are ok.
DLR MSG - 2014 R2017-07-28. Service bulletin. FORWARD COLLISION AVOIDANCE: ADAPTIVE CRUISE CONTROL; 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. Please note this message only applies to RLX Hybrid units. Non-hybrid units are ok.
DLR MSG - 2014 R2017-07-12. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; FORWARD COLLISION AVOIDANCE: ADAPTIVE CRUISE CONTROL. 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.
B15-0312017-06-30. Service bulletin. FORWARD COLLISION AVOIDANCE: SENSING SYSTEM; FORWARD COLLISION AVOIDANCE: CRASH IMMINENT BRAKING. "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."
B15-0302017-06-30. Service bulletin. FORWARD COLLISION AVOIDANCE: SENSING SYSTEM; FORWARD COLLISION AVOIDANCE: CRASH IMMINENT BRAKING. "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."
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."
DLR MSG - ACURA2017-06-30. Service bulletin. FORWARD COLLISION AVOIDANCE: ADAPTIVE CRUISE CONTROL; 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."
B15-0312017-06-29. Service bulletin. FORWARD COLLISION AVOIDANCE: CRASH IMMINENT BRAKING; FORWARD COLLISION AVOIDANCE: SENSING SYSTEM. SERVICE BULLETIN - THIS BULLETIN IS REPLACED BY S/B 15-030, SAFETY RECALL: RLX AND RLX SPORT HYBRID CMBS ERROR.
B15-0302017-06-29. 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."
DLR MSG - ACURA2017-06-29. Service bulletin. FORWARD COLLISION AVOIDANCE: CRASH IMMINENT BRAKING; FORWARD COLLISION AVOIDANCE: SENSING SYSTEM. "DEALER MESSAGE - ON MAY13, 2015 ACURA NOTIFIED NHTSA OF A STOP SALE ORDER AND SAFETY RECALL FOR 19,502 MODEL YEAR 2014-15, MDX, RLX, AND 2014RLX SPORT HYBRID VEHICLES. ANY NEW OR USED VEHICLES IN DEALER STOCK MUST BE REPAIRED PER THE RELEVANT SERVICE BULLETIN PRIOR TO SALE. REFER TO THE ERESPONSIBILITY REPORT OR VIN INQUIRY STATUS TO DETERMINE WHICH EHICLES IN YOUR INVENTORY ARE AFFECTED."
B15-0302017-06-29. 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."
DLR 4-27-152015-09-03. Service bulletin. FORWARD COLLISION AVOIDANCE: ADAPTIVE CRUISE CONTROL. NO SOFTWARE UPDATES SHOULD BE PERFORMED ON THE 2014 RLX HYBRID UNITS DUE TO A BUG THAT MAKES THE ADAPTIVE CRUISE CONTROL UNIT UNRESPONSIVE *CN

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