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Service bulletins for the 2021 Acura RDX

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.

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

By type

By component

By trouble code

Only bulletins with component: Equipment and accessories are shown. Show all

Bulletins, newest first
BTI&111620219032021-11-24. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY; SUSPENSION:FRONT:WHEEL BEARING; WHEELS; EQUIPMENT. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2021 RDXs with a client complaint of front bearing noise coming from the front while driving. The noise can be described as howling or moaning. 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.
BTI&111620219012021-11-24. Service bulletin. LATCHES/LOCKS/LINKAGES; STRUCTURE:FRAME AND MEMBERS; EQUIPMENT. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2020-2021 RDXs with a client complaint of the center console lid (armrest) not latching/staying closed intermittently or at all times. To better understand the cause of this condition, AHM would like to collect specific information from the vehicle prior to you attempting a repair of any kind.
BTI&100520219012021-10-16. Service bulletin. EQUIPMENT; STRUCTURE. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2020-2021 RDXs with a client complaint of the center console lid (armrest) not latching/staying closed intermittently or at all times. To better understand the cause of this condition, AHM would like to collect specific information from the vehicle prior to you attempting a repair of any kind.
BPaS100120212021-10-16. Service bulletin. EQUIPMENT. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2019-2021 RDXs with a client complaint of a rattle noise coming from the Head-Up Display (HUD). To better understand the cause of this condition, AHM would like to inspect the vehicle prior to you attempting a repair of any kind.
BJA178822021-09-09. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. Job Aid - This job aid contains information on the MOST Bus Network and troubleshooting information for common problems.
BPaS073020212021-08-03. Service bulletin. EQUIPMENT. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2019-2021 RDXs with a client complaint of a rattle noise coming from the Head-Up Display (HUD). To better understand the cause of this condition, AHM would like to inspect the vehicle prior to you attempting a repair of any kind.
B20-0532021-01-05. Service bulletin. EQUIPMENT; EQUIPMENT ADAPTIVE/MOBILITY; ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM. Service Bulletin - The MIL is flashing with loss of power. Humid air within the intake tract may condense and accumulate excessive moisture during steady driving.

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