![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/2022/02/car-ABS-Module-close-up.jpg.webp)
U0121 Code: Lost Communication With Anti-Lock Braking System (ABS) Module - In The Garage with CarParts.com
I have a 2016 chevy malibu (new style) that has the brake and abs lights on. The code i am getting is U0121 - lost
![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
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![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/2020/09/powertrain-control-module.jpeg)