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U0121 Code: Lost Communication With Anti-Lock Braking System (ABS) Module - In The Garage with CarParts.com
Multiple Fault codes 2011 Range Rover HSE with 120,000 miles. U0140, U0155, P0500, U0121 | Range Rovers Forum
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U0121 Engine Trouble Code - U0121 OBD-II Diagnostic Network (U) Trouble Code | Engine-Trouble-Code.com
![Intermittent No Crank, IP Gage Fluctuation, Intermittent Door Lock Cycling, Intermittent Chime Operation, Various IP Warning Lamps Illuminated, Transmission May Not Shift, Engine May Stall, Communication DTCs - 2007-2014 Cadillac Chevrolet GMC HUMMER Intermittent No Crank, IP Gage Fluctuation, Intermittent Door Lock Cycling, Intermittent Chime Operation, Various IP Warning Lamps Illuminated, Transmission May Not Shift, Engine May Stall, Communication DTCs - 2007-2014 Cadillac Chevrolet GMC HUMMER](https://static.oemdtc.com/Uploads/2664512.jpg)
Intermittent No Crank, IP Gage Fluctuation, Intermittent Door Lock Cycling, Intermittent Chime Operation, Various IP Warning Lamps Illuminated, Transmission May Not Shift, Engine May Stall, Communication DTCs - 2007-2014 Cadillac Chevrolet GMC HUMMER
![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
![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/2020/12/engine-control-unit-1-scaled.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/2020/09/powertrain-control-module.jpeg)
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/webp-express/webp-images/doc-root/wp-content/uploads/2022/02/car-ABS-Module-close-up.jpg.webp)