# GM Vehicles ### Vehicles require Pedal and GM harness set \*\* Pedal firmware for Bolt vehicles is still updating regularly. DFU key is highly recommended for a bolt pedal. #### What is needed: 1. [Pedal](https://docs.innoisle.com/beartech/comma-pedal-description-and-installation-guide) 2. [Harness & Harness box](https://docs.innoisle.com/beartech/harness-and-harness-box-description) (To connect the pedal, you will need a harness box with rj45 port) #### GM: * Chevy Bolt EV with and without ACC (before 2022) * Chevy Bolt EV without ACC after 2022 * Chevy Bolt EUV with and without ACC (before 2022) * Chevy Bolt EUV without ACC after 2022 * Chevy Volt without ACC, with LKAS\ (For Volt without ACC, without LKAS, you will need to flash your car and use comma's OBD harness) ### How to identify which version of harness box is needed: \*We have discontinued 2x13 pin harness box. You will receive 2x9 pin versions for GM harness sets. 1. If you have a harness box with rj45 port - you DO NOT need another harness box to use pedal 2. If have a harness box purchased from Comma, with no rj45 port - you will need a 2x9 pin box 3. If you plan to purchase the harness + box (GM only) from me, then it is 2x9 pin box 4. If you purchased a used harness with no box, please DM me the picture of your harness. (the old ones before 2024 June are 2x13 pin) 5. If you purchased a customized harness for Tesla from other seller, you will need a 2x13 pin box, but it usually comes with a 2x13 pin harness box. #### What else do you need: * An ethernet cable * For smaller cars, 11ft in length or more * Please avoid flat noodle cable *** ### Vehicles require GM Harness & Harness box #### What is needed: 1. [Harness & Harness box](https://docs.innoisle.com/beartech/harness-and-harness-box-description) (To connect the pedal, you will need a harness box with rj45 port) #### GM: * Chevy Silverado 1500 High Country (with ACC) 2020,2021 * GMC Sierra with ACC, 2020, 2021 * GMC Yukon Denali (Before 2020) with LKAS & with or without ACC * Chevy Suburban * Chevy Equinox * Chevy Malibu without ACC * Cadillac XT5 2018-2024 (without ACC) * (some other Cadillac models may apply too) *** ### Vehicles require ASCM Harness Plus & Harness box ASCM Harness Plus is for steering control \ The "Plus" means it is ready to use with SASCM Module for Openpilot Longitudinal control. L\&P Harness is interchangeable with the ASCM Plus harness as long as your vehicle is listed. **Please make sure your vehicle has ASCM harness connection point to proceed** Please find more detailed information: [ASCM](https://docs.innoisle.com/beartech/ascm-harness-plus) #### What is needed: 1. [ASCM](https://docs.innoisle.com/beartech/ascm-harness-plus) Harness #### GM: * Chevy Volt (2017-2018) （with Adaptive Cruise Control）- *pedal optional for start from stop* * GMC Acadia Denali （2018） * Chevy Malibu (Before 2018) * Regal TourX * Cadillac ELR (2014) - *Possibly work* * Cadillac Escalade (2017-2020) （with Adaptive Cruise Control） * Cadillac Escalade ESV (2019-2020) （with Adaptive Cruise Control） *** ### Vehicles require SDGM Harness & Harness box For steering control **Please make sure your vehicle has SDGM harness connection point to proceed**\ (Usually behind OBD port, if not, please check the back of your trunk)\ Please find more detailed information: [SDGM Harness](https://docs.innoisle.com/beartech/sdgm-harness) If you are using SDGM & SASCM, please use Kaofui fork to enjoy the best compatibility:\ #### What is needed: 1. [SDGM Harness](https://docs.innoisle.com/beartech/sdgm-harness) **Supported vehicles:** **Your vehicle HAS to have LKAS to support SDGM.** **(If your car make is listed, but the year is different. SDGM might work if you have ACC or lane keep.)** **SDGM A:** * Buick Enclave (2019-2024) * Buick Baby Enclave (CN) * Chevy Volt (2019) (with LKAS) * Cadillac XT4 (2021-2023) * Cadillac XT5 (2019-2024) (with ACC) * Chevy Traverse (2022, 2023) * Chevy Malibu XL 2019 **SDGM B:** * Cadillac XT6 (before and including 2025) * Chevy Blazer 2022, 2025 *** ### Vehicles require SASCM For speed control and to retain AEB. If you use SASCM, you will need the ASCM Harness Plus. **Please make sure your vehicle has SASCM connection point to proceed**\ Please find more detailed information: [SASCM](https://docs.innoisle.com/beartech/sascm) If you are using SDGM & SASCM, please use Kaofui fork to enjoy the best compatibility:\ #### What is needed: 1. [SASCM](https://docs.innoisle.com/beartech/sascm) #### GM: * Chevy Volt (2016-2017) （with Adaptive Cruise Control） * Chevy Volt (2018-2019) （with Adaptive Cruise Control）- *pedal optional for start from stop* * Chevy Traverse (2022-2023) * Chevy Malibu (Before 2018) * Chevy Malibu XL (Before 2018) * GMC Acadia Denali （2018） * Buick Enclave (2019-2024) * Buick Baby Enclave * Buick Regal TourX * Cadillac XT4 (2021-2023) * Cadillac XT5 2019-2024 (with ACC) * Cadillac XT6 (before and including 2025) * Cadillac ELR (2014) - *Possibly work* * Cadillac Escalade (2017-2020) （with Adaptive Cruise Control） * Cadillac Escalade ESV (2019-2020) （with Adaptive Cruise Control） #### More information regarding GM vehicles - Comma Wiki for GM {% embed url="" %} **GM Bolt Installation Guide**