TSBs

Stopping Acura Transmission Shudder

Nov. 28, 2022

This bulletin applies to 2014-2019 Acura RLX Sport Hybrid vehicles. The transmission may judder, shudder or surge while driving. The probable cause is transmission fluid that has deteriorated prematurely.

Information courtesy of Mitchell 1

Mike Mavrigian

A software update is available to prevent ATF from deteriorating prematurely. Make sure that the DCT TMU software is up to date (i-HDS software version 1.004.060 or later) and replace the ATF, along with the transmission drain plug washer P/N 90471-PX4-000 and the STF fill sealing washer 94109-20000.

About the Author

Information courtesy of Mitchell 1

Information for Technical Service Bulletins comes from ProDemand, Mitchell 1's auto repair information software for domestic and import vehicles. Headquartered in San Diego, Mitchell 1 has provided quality repair information solutions to the automotive industry since 1918.

About the Author

Mike Mavrigian | Motor Age Editor

Mike Mavrigian has written thousands of automotive technical magazine articles involving a variety of specialties, from engine building to wheel alignment, and has authored more than a dozen books that crisscross the automotive spectrum. Mike operates Birchwood Automotive, an Ohio shop that builds custom engines and performs vintage vehicle restorations. The shop also features a professional photo studio to document projects and to create images for articles and books.