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Service bulletins for the 2019 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.

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

By type

By component

By trouble code

Bulletins, newest first
BPaS111320189022018-11-30. Service bulletin. ENGINE. Dealer message - American Honda Motor Co., Inc. (AHM) is investigating certain 2019 RDXs with a client complaint of leak from the timing chain case cover. 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.
BPaS111320189012018-11-30. Service bulletin. ELECTRICAL SYSTEM; ELECTRICAL SYSTEM:HORN. Dealer message - American Honda Motor Co., Inc. (AHM) is investigating certain 2019 RDXs with a client complaint of the horn inoperative when pressed or the panic button is used. To fully understand the cause of this condition, AHM would like to inspect the vehicle prior to you attempting a repair of any kind.
BPaS102620189012018-11-13. Service bulletin. ENGINE; ENGINE AND ENGINE COOLING. Dealer message - American Honda Motor Co., Inc. (AHM) is investigating certain 2019 RDXs with a client complaint of leak from the timing chain case cover. 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.
BER18100B2018-11-13. Service bulletin. ELECTRICAL SYSTEM:HORN; ELECTRICAL SYSTEM:IGNITION:ANTI-THEFT:CONTROL MODULE. Engineering request for information - American Honda Motor Co., Inc. (AHM) is investigating certain 2019 RDXs with a client complaint of the horn inoperative when pressed or the panic button is used. To fully 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.
BPaS101720189042018-10-29. Service bulletin. STRUCTURE:BODY:TAILGATE. Dealer message - American Honda Motor Co., Inc. (AHM) is investigating certain 2019 RDXs with a client complaint of the automatic tailgate not closing. To fully understand the cause of this condition, AHM would like to inspect the vehicle prior to you attempting a repair of any kind.
BPaS101720189032018-10-29. Service bulletin. ELECTRICAL SYSTEM:HORN. Dealer message - American Honda Motor Co., Inc. (AHM) is investigating certain 2019 RDXs with a client complaint of the horn inoperative when pressed or the panic button is used. To fully understand the cause of this condition, AHM would like to inspect the vehicle prior to you attempting a repair of any kind.
B18100E2018-10-29. Service bulletin. EQUIPMENT:ELECTRICAL; EQUIPMENT. Servicenews article - If you get a vehicle with the message CODE 6382 Unable to Update on the audio/information screen, it means there's a problem doing an over-the-air (OTA) update. We're aware of this issue, and have it under investigation.
BPaS100820189012018-10-22. Service bulletin. SERVICE BRAKES. Dealer message - American Honda Motor Co., Inc. (AHM) is investigating certain 2019 RDXs with a client complaint of the front brake noise when applying the brake lightly. The noise can be described as squeak or squeal. To fully understand the cause of this condition, AHM would like to inspect the vehicle prior to you attempting a repair of any kind.
BER18100A2018-10-22. Service bulletin. SERVICE BRAKES. Engineering request for investigation - American Honda Motor Co., Inc. (AHM) is investigating certain 2019 RDXs with a client complaint of the front brake noise when applying the brake lightly. The noise can be described as squeak or squeal. To fully understand the cause of this condition, AHM would like to inspect the vehicle prior to you attempting a repair of any kind.
BER18090D2018-10-22. Service bulletin. SERVICE BRAKES. Engineering request for investigation - American Honda Motor Co., Inc. (AHM) is investigating certain 2018-19 RDXs with a client complaint of the front brake noise when applying the brake lightly. The noise can be described as squeak or squeal. To fully understand the cause of this condition, AHM would like to inspect the vehicle prior to you attempting a repair of any kind.
BER18090B2018-10-22. Service bulletin. EQUIPMENT:ELECTRICAL. Engineering request for investigation - American Honda Motor Co., Inc. (AHM) is investigating certain 2019 RDXs with a client complaint of the horn inoperative when pressed or the panic button is used. To fully understand the cause of this condition, AHM would like to inspect the vehicle prior to you attempting a repair of any kind.
BPaS100220189042018-10-15. Service bulletin. LATCHES/LOCKS/LINKAGES:TAILGATE:LATCH. Dealer message - American Honda Motor Co., Inc. (AHM) is investigating certain 2019 RDXs with a client complaint of the automatic tailgate not closing. To fully understand the cause of this condition, AHM would like to inspect the vehicle prior to you attempting a repair of any kind.
BPaS100220189012018-10-15. Service bulletin. EQUIPMENT. Dealer message - American Honda Motor Co., Inc. (AHM) is investigating certain 2019 RDXs with a client complaint of the horn inoperative when pressed or the panic button is used. To fully understand the cause of this condition, AHM would like to inspect the vehicle prior to you attempting a repair of any kind.
B18100B2018-10-15. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; ELECTRICAL SYSTEM. Service news article - Troubleshooting an audio system that's stopped working and/or has a blank audio/information screen? You may have noticed the service information is a bit lean on how to troubleshoot the media-oriented systems transport (MOST) network using electrical control line (ECL) diagnosis. Until we can revise the service information, here's some important info on how to access the ECL diagnostic screen and interpret the data.
BPaS091720189072018-10-15. Service bulletin. LATCHES/LOCKS/LINKAGES:TAILGATE:LATCH. Dealer message - American Honda Motor Co., Inc. (AHM) is investigating certain 2019 RDXs with a client complaint of the automatic tailgate not closing. To fully understand the cause of this condition, AHM would like to inspect the vehicle prior to you attempting a repair of any kind.
BPaS091720189052018-10-15. Service bulletin. EQUIPMENT. Dealer message - American Honda Motor Co., Inc. (AHM) is investigating certain 2019 RDXs with a client complaint of the horn inoperative when pressed or the panic button is used. To fully understand the cause of this condition, AHM would like to inspect the vehicle prior to you attempting a repair of any kind.
BER18090B2018-10-15. Service bulletin. EQUIPMENT:ELECTRICAL. Engineering request for investigation - American Honda Motor Co., Inc. (AHM) is investigating certain 2019 RDXs with a client complaint of the horn inoperative when pressed or the panic button is used. To fully understand the cause of this condition, AHM would like to inspect the vehicle prior to you attempting a repair of any kind.
B18-0452018-10-01. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; ELECTRICAL SYSTEM; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM). Service bulletin - Some troubleshooting procedures for a loss of communication or F-CAN malfunction DTC?s require running the F-CAN Bus Connected Unit Check using the i-HDS. There are certain control units that may be reported as Not Available in the Status column even though they are properly communicating.
BPaS083120189062018-09-17. Service bulletin. LATCHES/LOCKS/LINKAGES:TAILGATE:LATCH. Dealer message - American Honda Motor Co., Inc. (AHM) is investigating certain 2019 RDXs with a client complaint of the automatic tailgate not closing. To fully understand the cause of this condition, AHM would like to inspect the vehicle prior to you attempting a repair of any kind.
BPaS081720189012018-09-17. Service bulletin. LATCHES/LOCKS/LINKAGES:TAILGATE:LATCH. Dealer message - American Honda Motor Co., Inc. (AHM) is investigating certain 2019 RDXs with a client complaint of the automatic tailgate not closing. To fully understand the cause of this condition, AHM would like to inspect the vehicle prior to you attempting a repair of any kind.
B18080C2018-09-04. Service bulletin. STRUCTURE. Servicenews article - We're getting reports that the door molding on the driver side rear door starts to come loose at the back end. From our investigation, this issue may result from the molding clip coming loose due to a curvature in the molding.
B18080B2018-09-04. Service bulletin. EQUIPMENT. Servicenews article - Is the navigation system lacking address or traffic info? The Connected Features may just be disabled or the system might not be connected to its online server. With this feature enabled, the system shares VIN, location, and usage info with an online server (HERE) for the most up-to-date driving and point of interest (POI) info. With it disabled, there's no connection and then system must rely on what's stored in its map database.
BPaS072720189022018-08-20. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY. Dealer message - American Honda Motor Co., Inc. (AHM) is investigating certain 2019 RDXs with a client complaint of a no-start condition that requires the 12V battery to be replaced. 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.

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