![I need help understanding whether this recommendation is legit. I have a 2005 Mazda 6s. Few days back, all dashboard lights randomly turned on while driving. Sometimes speedometer needle stopped moving as I need help understanding whether this recommendation is legit. I have a 2005 Mazda 6s. Few days back, all dashboard lights randomly turned on while driving. Sometimes speedometer needle stopped moving as](https://i.redd.it/3v2uukhtse181.jpg)
I need help understanding whether this recommendation is legit. I have a 2005 Mazda 6s. Few days back, all dashboard lights randomly turned on while driving. Sometimes speedometer needle stopped moving as
![U0121 LOST COMUNICATION WITH ABS(Anti Lock Brake System) ANU ANG DAHILAN/TUTORIAL FOR BEGINNERS - YouTube U0121 LOST COMUNICATION WITH ABS(Anti Lock Brake System) ANU ANG DAHILAN/TUTORIAL FOR BEGINNERS - YouTube](https://i.ytimg.com/vi/4fbhibiag1I/sddefault.jpg)
U0121 LOST COMUNICATION WITH ABS(Anti Lock Brake System) ANU ANG DAHILAN/TUTORIAL FOR BEGINNERS - YouTube
![гирлянда и ошибка u0121 - MAZDA 6 ::: GG, GY (2002-2008), GH (2007-2012) , GJ (2012-н.в.) - Первый официальный Мазда клуб России гирлянда и ошибка u0121 - MAZDA 6 ::: GG, GY (2002-2008), GH (2007-2012) , GJ (2012-н.в.) - Первый официальный Мазда клуб России](http://s018.radikal.ru/i526/1307/45/0c61928095e9.jpg)
гирлянда и ошибка u0121 - MAZDA 6 ::: GG, GY (2002-2008), GH (2007-2012) , GJ (2012-н.в.) - Первый официальный Мазда клуб России
![U0121 Code: Lost Communication With Anti-Lock Braking System (ABS) Module - In The Garage with CarParts.com U0121 Code: Lost Communication With Anti-Lock Braking System (ABS) Module - In The Garage with CarParts.com](https://www.carparts.com/blog/wp-content/webp-express/webp-images/doc-root/wp-content/uploads/2022/07/automotive-ABS-Control-Module-in-engine-area-focused-1024x682.jpg.webp)
U0121 Code: Lost Communication With Anti-Lock Braking System (ABS) Module - In The Garage with CarParts.com
![Mazda 3 U0121 Engine Error Code - Mazda 3 U0121 OBD-II Diagnostic Network (U) Trouble Code For Mazda 3 | EngineErrorCode.com Mazda 3 U0121 Engine Error Code - Mazda 3 U0121 OBD-II Diagnostic Network (U) Trouble Code For Mazda 3 | EngineErrorCode.com](https://u0121.engineerrorcode.com/problems/7.jpg)