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Service bulletins for the 2016 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.

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

By type

By component

By trouble code

Only bulletins with component: Engine are shown. Show all

Bulletins, newest first
B16-0082024-09-10. Service bulletin. ENGINE. Service Bulletin - Drivers may experience a chirping sound coming from the engine area with the engine warmed up due to the high pressure fuel pump is making a chirp.
ONLA8E202208302022-09-09. Service bulletin. FUEL SYSTEM, DIESEL:STORAGE:TANK ASSEMBLY; ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM. Owner notification - Our records indicate that a Emissions Recall has not been completed on this vehicle. When the powertrain control module (PCM) detects a malfunction in one of the odd number transmission gears, it will set one of four diagnostic trouble codes (DTCs). Due to inappropriate calibration of the PCM, the On Board Diagnostic (OBD) system cannot properly clear the transmission permanent DTC as required.
BTI&051020229012022-06-06. Service bulletin. FUEL SYSTEM, GASOLINE; ENGINE AND ENGINE COOLING. American Honda Motor Co., Inc. (AHM) is searching for certain 2016-2020 MDXs, RLXs & TLXs with a client complaint of the Malfunction Indicator Light (MIL) on with the DTC P030X (Cylinder Misfire Detected), P0171 & P0174 (Rear/Front Bank Fuel System Too Lean), or P219A&B (Air-Fuel Ratio Variation of Cylinder) stored. To better 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.
B160162022-05-09. Service bulletin. ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM. The clearance between the starter motor gear and the torque converter ring gear is not optimal.
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.
BBOM091520202020-09-22. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL; ELECTRICAL SYSTEM:SOFTWARE; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM). Dealer Message - Today, September 15, 2020, Acura is announcing a stop sale and emissions recall for certain 2017-2020 MDX Sport Hybrid and 2014, 2016-2020 RLX Sport Hybrid vehicles that may not properly clear specific diagnostic trouble codes (DTC). Presence of these codes may prevent the vehicle from passing a smog test. Refer to your eResponsibility report or do an iN VIN status inquiry to determine which units in your inventory are affected.
B14-0252020-09-22. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:BELTS AND ASSOCIATED PULLEYS. Service Bulletin - The timing belt area chirps after the engine warms up.
B14-0252020-08-14. Service bulletin. ENGINE AND ENGINE COOLING. Service Bulletin - The timing belt area makes a chirping noise after the engine warms up.
B16-0082018-05-14. Service bulletin. ENGINE; FUEL SYSTEM, OTHER:DELIVERY:FUEL PUMP. Service bulletin - The high pressure fuel pump area chirps after the engine is warm. The high pressure fuel pump is making a chirp noise. NOTE: This noise does not impact the pump, engine function, or reliability.
BPaS013020189022018-03-05. Service bulletin. ENGINE AND ENGINE COOLING. Dealer message - American Honda Motor Co., Inc. (AHM) is investigating certain 2014-2017 RLXs & RLX Hybrids with a client complaint of musty smell coming from HVAC. 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.
BPaS021520189012018-02-26. Service bulletin. ENGINE AND ENGINE COOLING; EQUIPMENT:APPLIANCE:AIR CONDITIONER. Dealer message - American Honda Motor Co., Inc. (AHM) is investigating certain 2014-2017 RLXs & RLX Hybrids with a client complaint of musty smell coming from HVAC. 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.
B16-0082017-12-05. Service bulletin. ENGINE. Service bulletin - There is a chirping coming from the engine area with the engine warmed up. The high pressure fuel pump is making a chirp.
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.
B17-0192017-09-27. 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])
BPAS010320179022017-06-16. Service bulletin. EQUIPMENT; ENGINE AND ENGINE COOLING. DEALER MESSAGE - AMERICAN HONDA (AHM) IS INVESTIGATING CERTAIN 2014-2017 RLXS WITH A CLIENT COMPLAINT OF AN ACCESSORY DECK LID SPOILER LOOSE, WARPED, AND/OR LIFTING. TO FULLY UNDERSTAND THE CAUSE OF THIS CONDITION, AHM WOULD LIKE TO INSPECT THE VEHICLE PRIOR TO YOU ATTEMPTING A REPAIR OF ANY KIND.
B14-0252017-05-18. Service bulletin. ENGINE; ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:BELTS AND ASSOCIATED PULLEYS. SERVICE BULLETIN - THE TIMING BELT AREA MAKES A CHIRP AFTER THE ENGINE WARMS UP. THIS RESULTS FROM THE TIMING BELT CONTACTING THE BACK EDGE OF THE CRANKSHAFT PULLEY.
B16060G2016-11-16. Service bulletin. ENGINE. SERVICE NEWS ARTICLE - WHILE DRIVING UNDER STEADY CRUISE (BETWEEN 30 AND 65 MPH) OR LIGHT ACCELERATION, DOES THE ENGINE INTERMITTENTLY RATTLE OR RUNS ROUGH WITH THE MIL BLINKING? SINCE THESE DRIVING CONDITIONS ARE LIKELY TO ACTIVATE VCM OPERATION, THE PROBABLE REASON FOR THESE SYMPTOMS IS STICKING VCM ROCKER ARMS.
14-0252016-11-04. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:BELTS AND ASSOCIATED PULLEYS. SERVICE BULLETIN - THE TIMING BELT MAY PRODUCE A CHIRPING NOISE FROM CONTACT WITH THE BACK EDGE OF THE CRANKSHAFT PULLEY.

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