![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/2020/09/powertrain-control-module-300x300.jpeg.webp)
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 U0121 Code: Lost Communication With Anti-Lock Braking System (ABS) Module - In The Garage with CarParts.com](https://www.carparts.com/blog/wp-content/uploads/2022/07/ABS-unit-module-control-box-of-a-car-scaled.jpg)
U0121 Code: Lost Communication With Anti-Lock Braking System (ABS) Module - In The Garage with CarParts.com
![My mazda 6 2,3 2005 will not blink too the right side. Evrything is chekked about fuses and relays. maybe ist the bcm My mazda 6 2,3 2005 will not blink too the right side. Evrything is chekked about fuses and relays. maybe ist the bcm](https://ww2.justanswer.com/uploads/ST/StLouisWayne/2013-10-04_033301_flasher.jpg)
My mazda 6 2,3 2005 will not blink too the right side. Evrything is chekked about fuses and relays. maybe ist the bcm
![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)