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Technical Service Bulletins of the 2021 Chevrolet Silverado 1500

There have been 263 technical service bulletins issued for the 2021 Chevrolet Silverado 1500.

1 2021 Chevrolet Silverado 1500 engine and engine cooling TSB (Bulletin 23-NA-032)

Bulletin Date:	Apr. 29, 2024
Component:	Engine and engine cooling.
Bulletin Summary:	The informational bulletin advises the tech to use the glow plug bore cleaner to reduce the chance of soot building up on the glow plug causing a premature failure.
Vehicles covered in this TSB:	2017 Chevrolet Cruze, 2018 Chevrolet Cruze, 2019 Chevrolet Cruze, 2018 Chevrolet Equinox, 2019 Chevrolet Equinox, 2020 Chevrolet Silverado 1500, 2021 Chevrolet Silverado 1500, 2022 Chevrolet Silverado 1500, 2023 Chevrolet Silverado 1500, 2024 Chevrolet Silverado 1500, 2017 Chevrolet Silverado 2500, 2018 Chevrolet Silverado 2500, 2019 Chevrolet Silverado 2500, 2020 Chevrolet Silverado 2500, 2021 Chevrolet Silverado 2500, 2022 Chevrolet Silverado 2500, 2023 Chevrolet Silverado 2500, 2024 Chevrolet Silverado 2500, 2017 Chevrolet Silverado 3500, 2018 Chevrolet Silverado 3500, 2019 Chevrolet Silverado 3500, 2020 Chevrolet Silverado 3500, 2021 Chevrolet Silverado 3500, 2022 Chevrolet Silverado 3500, 2023 Chevrolet Silverado 3500, 2024 Chevrolet Silverado 3500, 2019 Chevrolet Silverado 4500hd, 2020 Chevrolet Silverado 4500hd, 2021 Chevrolet Silverado 4500hd, 2022 Chevrolet Silverado 4500hd, 2019 Chevrolet Silverado 5500hd, 2020 Chevrolet Silverado 5500hd, 2021 Chevrolet Silverado 5500hd, 2022 Chevrolet Silverado 5500hd, 2019 Chevrolet Silverado 6500hd, 2020 Chevrolet Silverado 6500hd, 2021 Chevrolet Silverado 6500hd, 2022 Chevrolet Silverado 6500hd, 2021 Chevrolet Suburban, 2022 Chevrolet Suburban, 2024 Chevrolet Suburban, 2021 Chevrolet Suburban 1500, 2022 Chevrolet Suburban 1500, 2023 Chevrolet Suburban 1500, 2024 Chevrolet Suburban 1500, 2020 GMC Sierra 1500, 2021 GMC Sierra 1500, 2022 GMC Sierra 1500, 2023 GMC Sierra 1500, 2024 GMC Sierra 1500, 2017 GMC Sierra 2500, 2018 GMC Sierra 2500, 2019 GMC Sierra 2500, 2020 GMC Sierra 2500, 2021 GMC Sierra 2500, 2022 GMC Sierra 2500, 2023 GMC Sierra 2500, 2024 GMC Sierra 2500, 2017 GMC Sierra 3500, 2018 GMC Sierra 3500, 2019 GMC Sierra 3500, 2020 GMC Sierra 3500, 2021 GMC Sierra 3500, 2022 GMC Sierra 3500, 2023 GMC Sierra 3500, 2024 GMC Sierra 3500, 2018 GMC Terrain, 2019 GMC Terrain, 2021 GMC Yukon, 2022 GMC Yukon, 2023 GMC Yukon, 2024 GMC Yukon, 2021 GMC Yukon Xl, 2022 GMC Yukon Xl, 2023 GMC Yukon Xl, 2023 GMC Yukon Xl 1500.

2 2021 Chevrolet Silverado 1500 power train TSB (Bulletin 22-NA-258)

Bulletin Date:	Apr. 2, 2024
Component:	Power train.
Bulletin Summary:	This technical bulletin provides a procedure to program the tcm and replace the control valve body if the conditions are found to be the cause of the failure of the valve body.
Vehicles covered in this TSB:	2021 Cadillac Escalade, 2022 Cadillac Escalade, 2023 Cadillac Escalade, 2021 Cadillac Escalade Esv, 2022 Cadillac Escalade Esv, 2023 Cadillac Escalade Esv, 2021 Chevrolet Silverado 1500, 2022 Chevrolet Silverado 1500, 2023 Chevrolet Silverado 1500, 2021 Chevrolet Suburban, 2022 Chevrolet Suburban, 2023 Chevrolet Suburban, 2021 Chevrolet Suburban 1500, 2022 Chevrolet Suburban 1500, 2023 Chevrolet Suburban 1500, 2021 GMC Sierra 1500, 2022 GMC Sierra 1500, 2023 GMC Sierra 1500, 2021 GMC Yukon, 2022 GMC Yukon, 2023 GMC Yukon, 2021 GMC Yukon Xl, 2022 GMC Yukon Xl, 2023 GMC Yukon Xl.

3 2021 Chevrolet Silverado 1500 electrical system TSB (Bulletin 22-NA-258)

Bulletin Date:	Apr. 2, 2024
Component:	Electrical system.
Bulletin Summary:	This technical bulletin provides a procedure to program the tcm and replace the control valve body if the conditions are found to be the cause of the failure of the valve body.
Vehicles covered in this TSB:	2021 Cadillac Escalade, 2022 Cadillac Escalade, 2023 Cadillac Escalade, 2021 Cadillac Escalade Esv, 2022 Cadillac Escalade Esv, 2023 Cadillac Escalade Esv, 2021 Chevrolet Silverado 1500, 2022 Chevrolet Silverado 1500, 2023 Chevrolet Silverado 1500, 2021 Chevrolet Suburban, 2022 Chevrolet Suburban, 2023 Chevrolet Suburban, 2021 Chevrolet Suburban 1500, 2022 Chevrolet Suburban 1500, 2023 Chevrolet Suburban 1500, 2021 GMC Sierra 1500, 2022 GMC Sierra 1500, 2023 GMC Sierra 1500, 2021 GMC Yukon, 2022 GMC Yukon, 2023 GMC Yukon, 2021 GMC Yukon Xl, 2022 GMC Yukon Xl, 2023 GMC Yukon Xl.

4 2021 Chevrolet Silverado 1500 side/rear glass TSB (Bulletin 24-NA-046)

Bulletin Date:	Mar. 7, 2024
Component:	Side/rear glass.
Bulletin Summary:	This technical bulletin provides a procedure to correct the condition of suction cup marks on window glass.
Vehicles covered in this TSB:	2019 Chevrolet Silverado 1500, 2020 Chevrolet Silverado 1500, 2021 Chevrolet Silverado 1500, 2022 Chevrolet Silverado 1500, 2023 Chevrolet Silverado 1500, 2024 Chevrolet Silverado 1500, 2019 Chevrolet Silverado 2500, 2020 Chevrolet Silverado 2500, 2021 Chevrolet Silverado 2500, 2022 Chevrolet Silverado 2500, 2023 Chevrolet Silverado 2500, 2024 Chevrolet Silverado 2500, 2019 Chevrolet Silverado 3500, 2020 Chevrolet Silverado 3500, 2021 Chevrolet Silverado 3500, 2022 Chevrolet Silverado 3500, 2023 Chevrolet Silverado 3500, 2024 Chevrolet Silverado 3500, 2019 GMC Sierra 1500, 2020 GMC Sierra 1500, 2021 GMC Sierra 1500, 2022 GMC Sierra 1500, 2023 GMC Sierra 1500, 2024 GMC Sierra 1500, 2019 GMC Sierra 2500, 2020 GMC Sierra 2500, 2021 GMC Sierra 2500, 2022 GMC Sierra 2500, 2023 GMC Sierra 2500, 2024 GMC Sierra 2500, 2019 GMC Sierra 3500, 2020 GMC Sierra 3500, 2021 GMC Sierra 3500, 2022 GMC Sierra 3500, 2023 GMC Sierra 3500, 2024 GMC Sierra 3500.

5 2021 Chevrolet Silverado 1500 power train TSB (Bulletin PIP5968)

Bulletin Date:	Feb. 27, 2024
Component:	Power train.
Bulletin Summary:	This preliminary information communicates to have the dealer contact tac with the transmission tun number prior to transmission installation.
Vehicles covered in this TSB:	2016 Cadillac ATS, 2017 Cadillac ATS, 2018 Cadillac ATS, 2019 Cadillac ATS, 2020 Cadillac CT4, 2021 Cadillac CT4, 2022 Cadillac CT4, 2023 Cadillac CT4, 2024 Cadillac CT4, 2016 Cadillac CT6, 2017 Cadillac CT6, 2018 Cadillac CT6, 2016 Cadillac CTS, 2017 Cadillac CTS, 2018 Cadillac CTS, 2019 Cadillac CTS, 2015 Cadillac Escalade, 2016 Cadillac Escalade, 2017 Cadillac Escalade, 2018 Cadillac Escalade, 2019 Cadillac Escalade, 2020 Cadillac Escalade, 2016 Chevrolet Camaro, 2017 Chevrolet Camaro, 2018 Chevrolet Camaro, 2019 Chevrolet Camaro, 2020 Chevrolet Camaro, 2021 Chevrolet Camaro, 2022 Chevrolet Camaro, 2023 Chevrolet Camaro, 2017 Chevrolet Colorado, 2018 Chevrolet Colorado, 2019 Chevrolet Colorado, 2020 Chevrolet Colorado, 2021 Chevrolet Colorado, 2022 Chevrolet Colorado, 2023 Chevrolet Colorado, 2015 Chevrolet Corvette, 2016 Chevrolet Corvette, 2017 Chevrolet Corvette, 2018 Chevrolet Corvette, 2019 Chevrolet Corvette, 2017 Chevrolet Express, 2018 Chevrolet Express, 2019 Chevrolet Express, 2020 Chevrolet Express, 2021 Chevrolet Express, 2022 Chevrolet Express, 2023 Chevrolet Express 3500, 2024 Chevrolet Express 3500, 2015 Chevrolet Silverado 1500, 2016 Chevrolet Silverado 1500, 2017 Chevrolet Silverado 1500, 2018 Chevrolet Silverado 1500, 2019 Chevrolet Silverado 1500, 2020 Chevrolet Silverado 1500, 2021 Chevrolet Silverado 1500, 2022 Chevrolet Silverado 1500, 2023 Chevrolet Silverado 1500, 2015 Chevrolet Silverado 2500, 2016 Chevrolet Silverado 2500, 2017 Chevrolet Silverado 2500, 2018 Chevrolet Silverado 2500, 2015 Chevrolet Silverado 3500, 2016 Chevrolet Silverado 3500, 2017 Chevrolet Silverado 3500, 2018 Chevrolet Silverado 3500, 2018 Chevrolet Silverado Lt, 2017 GMC Canyon, 2018 GMC Canyon, 2019 GMC Canyon, 2020 GMC Canyon, 2021 GMC Canyon, 2022 GMC Canyon, 2023 GMC Canyon, 2015 GMC Sierra 1500, 2016 GMC Sierra 1500, 2017 GMC Sierra 1500, 2018 GMC Sierra 1500, 2019 GMC Sierra 1500, 2020 GMC Sierra 1500, 2021 GMC Sierra 1500, 2022 GMC Sierra 1500, 2023 GMC Sierra 1500, 2015 GMC Sierra 2500, 2016 GMC Sierra 2500, 2017 GMC Sierra 2500, 2018 GMC Sierra 2500, 2015 GMC Sierra 3500, 2016 GMC Sierra 3500, 2017 GMC Sierra 3500, 2018 GMC Sierra 3500, 2015 GMC Yukon, 2016 GMC Yukon, 2017 GMC Yukon, 2018 GMC Yukon, 2019 GMC Yukon, 2020 GMC Yukon.

6 2021 Chevrolet Silverado 1500 power train TSB (Bulletin PIP5966)

Bulletin Date:	Feb. 23, 2024
Component:	Power train.
Bulletin Summary:	This preliminary information communicates diagnostic aids for a no start or dtc's following a transmission replacement
Vehicles covered in this TSB:	2016 Cadillac ATS, 2017 Cadillac ATS, 2018 Cadillac ATS, 2019 Cadillac ATS, 2020 Cadillac CT4, 2021 Cadillac CT4, 2022 Cadillac CT4, 2023 Cadillac CT4, 2024 Cadillac CT4, 2016 Cadillac CT6, 2017 Cadillac CT6, 2018 Cadillac CT6, 2016 Cadillac CTS, 2017 Cadillac CTS, 2018 Cadillac CTS, 2019 Cadillac CTS, 2015 Cadillac Escalade, 2016 Cadillac Escalade, 2017 Cadillac Escalade, 2018 Cadillac Escalade, 2019 Cadillac Escalade, 2020 Cadillac Escalade, 2016 Chevrolet Camaro, 2017 Chevrolet Camaro, 2018 Chevrolet Camaro, 2019 Chevrolet Camaro, 2020 Chevrolet Camaro, 2021 Chevrolet Camaro, 2022 Chevrolet Camaro, 2023 Chevrolet Camaro, 2017 Chevrolet Colorado, 2018 Chevrolet Colorado, 2019 Chevrolet Colorado, 2020 Chevrolet Colorado, 2021 Chevrolet Colorado, 2022 Chevrolet Colorado, 2023 Chevrolet Colorado, 2015 Chevrolet Corvette, 2016 Chevrolet Corvette, 2017 Chevrolet Corvette, 2018 Chevrolet Corvette, 2019 Chevrolet Corvette, 2017 Chevrolet Express, 2018 Chevrolet Express, 2019 Chevrolet Express, 2020 Chevrolet Express, 2021 Chevrolet Express, 2022 Chevrolet Express, 2023 Chevrolet Express 3500, 2024 Chevrolet Express 3500, 2015 Chevrolet Silverado 1500, 2016 Chevrolet Silverado 1500, 2017 Chevrolet Silverado 1500, 2018 Chevrolet Silverado 1500, 2019 Chevrolet Silverado 1500, 2020 Chevrolet Silverado 1500, 2021 Chevrolet Silverado 1500, 2022 Chevrolet Silverado 1500, 2023 Chevrolet Silverado 1500, 2015 Chevrolet Silverado 2500, 2016 Chevrolet Silverado 2500, 2017 Chevrolet Silverado 2500, 2018 Chevrolet Silverado 2500, 2015 Chevrolet Silverado 3500, 2016 Chevrolet Silverado 3500, 2017 Chevrolet Silverado 3500, 2018 Chevrolet Silverado 3500, 2018 Chevrolet Silverado Lt, 2017 GMC Canyon, 2018 GMC Canyon, 2019 GMC Canyon, 2020 GMC Canyon, 2021 GMC Canyon, 2022 GMC Canyon, 2023 GMC Canyon, 2015 GMC Sierra 1500, 2016 GMC Sierra 1500, 2017 GMC Sierra 1500, 2018 GMC Sierra 1500, 2019 GMC Sierra 1500, 2020 GMC Sierra 1500, 2021 GMC Sierra 1500, 2022 GMC Sierra 1500, 2023 GMC Sierra 1500, 2015 GMC Sierra 2500, 2016 GMC Sierra 2500, 2017 GMC Sierra 2500, 2018 GMC Sierra 2500, 2015 GMC Sierra 3500, 2016 GMC Sierra 3500, 2017 GMC Sierra 3500, 2018 GMC Sierra 3500, 2015 GMC Yukon, 2016 GMC Yukon, 2017 GMC Yukon, 2018 GMC Yukon, 2019 GMC Yukon, 2020 GMC Yukon.

7 2021 Chevrolet Silverado 1500 engine and engine cooling TSB (Bulletin PIT5689F)

Bulletin Date:	Feb. 23, 2024
Component:	Engine and engine cooling.
Bulletin Summary:	This preliminary information communicates that some customers may comment that after an auto-stop event the engine does not restart and to inspect the engine ground strap. Temporarly on hold while pie0572 is active. Pie0572 has now ended a
Vehicles covered in this TSB:	2019 Chevrolet Silverado 1500, 2020 Chevrolet Silverado 1500, 2021 Chevrolet Silverado 1500, 2022 Chevrolet Silverado 1500, 2023 Chevrolet Silverado 1500, 2024 Chevrolet Silverado 1500, 2020 Chevrolet Silverado 2500, 2021 Chevrolet Silverado 2500, 2022 Chevrolet Silverado 2500, 2023 Chevrolet Silverado 2500, 2024 Chevrolet Silverado 2500, 2021 Chevrolet Silverado 3500, 2022 Chevrolet Silverado 3500, 2023 Chevrolet Silverado 3500, 2024 Chevrolet Silverado 3500, 2019 GMC Sierra 1500, 2020 GMC Sierra 1500, 2021 GMC Sierra 1500, 2022 GMC Sierra 1500, 2023 GMC Sierra 1500, 2024 GMC Sierra 1500, 2020 GMC Sierra 2500, 2021 GMC Sierra 2500, 2022 GMC Sierra 2500, 2023 GMC Sierra 2500, 2024 GMC Sierra 2500, 2020 GMC Sierra 3500, 2021 GMC Sierra 3500, 2022 GMC Sierra 3500, 2023 GMC Sierra 3500, 2024 GMC Sierra 3500.

8 2021 Chevrolet Silverado 1500 electrical system:adas:blindspot:sensors TSB (Bulletin PIT5744D)

Bulletin Date:	Feb. 21, 2024
Component:	Electrical system:adas:blindspot:sensors.
Bulletin Summary:	This preliminary information communicates information on how to disable the side blind zone detection and park assist systems when a customer removes the pickup box from the vehicle to install an aftermarket bed or body.
Vehicles covered in this TSB:	2019 Chevrolet Silverado 1500, 2020 Chevrolet Silverado 1500, 2021 Chevrolet Silverado 1500, 2022 Chevrolet Silverado 1500, 2023 Chevrolet Silverado 1500, 2024 Chevrolet Silverado 1500, 2020 Chevrolet Silverado 2500, 2021 Chevrolet Silverado 2500, 2022 Chevrolet Silverado 2500, 2023 Chevrolet Silverado 2500, 2024 Chevrolet Silverado 2500, 2020 Chevrolet Silverado 3500, 2021 Chevrolet Silverado 3500, 2022 Chevrolet Silverado 3500, 2023 Chevrolet Silverado 3500, 2024 Chevrolet Silverado 3500, 2024 Chevrolet Silverado Ev, 2019 GMC Sierra 1500, 2020 GMC Sierra 1500, 2021 GMC Sierra 1500, 2022 GMC Sierra 1500, 2023 GMC Sierra 1500, 2024 GMC Sierra 1500, 2020 GMC Sierra 2500, 2021 GMC Sierra 2500, 2022 GMC Sierra 2500, 2023 GMC Sierra 2500, 2024 GMC Sierra 2500, 2020 GMC Sierra 3500, 2021 GMC Sierra 3500, 2022 GMC Sierra 3500, 2023 GMC Sierra 3500, 2024 GMC Sierra 3500.

9 2021 Chevrolet Silverado 1500 electrical system:adas:parking assist:software TSB (Bulletin PIT5744D)

Bulletin Date:	Feb. 21, 2024
Component:	Electrical system:adas:parking assist:software.
Bulletin Summary:	This preliminary information communicates information on how to disable the side blind zone detection and park assist systems when a customer removes the pickup box from the vehicle to install an aftermarket bed or body.
Vehicles covered in this TSB:	2019 Chevrolet Silverado 1500, 2020 Chevrolet Silverado 1500, 2021 Chevrolet Silverado 1500, 2022 Chevrolet Silverado 1500, 2023 Chevrolet Silverado 1500, 2024 Chevrolet Silverado 1500, 2020 Chevrolet Silverado 2500, 2021 Chevrolet Silverado 2500, 2022 Chevrolet Silverado 2500, 2023 Chevrolet Silverado 2500, 2024 Chevrolet Silverado 2500, 2020 Chevrolet Silverado 3500, 2021 Chevrolet Silverado 3500, 2022 Chevrolet Silverado 3500, 2023 Chevrolet Silverado 3500, 2024 Chevrolet Silverado 3500, 2024 Chevrolet Silverado Ev, 2019 GMC Sierra 1500, 2020 GMC Sierra 1500, 2021 GMC Sierra 1500, 2022 GMC Sierra 1500, 2023 GMC Sierra 1500, 2024 GMC Sierra 1500, 2020 GMC Sierra 2500, 2021 GMC Sierra 2500, 2022 GMC Sierra 2500, 2023 GMC Sierra 2500, 2024 GMC Sierra 2500, 2020 GMC Sierra 3500, 2021 GMC Sierra 3500, 2022 GMC Sierra 3500, 2023 GMC Sierra 3500, 2024 GMC Sierra 3500.

10 2021 Chevrolet Silverado 1500 electrical system:adas:parking assist:sensors TSB (Bulletin PIT5744D)

Bulletin Date:	Feb. 21, 2024
Component:	Electrical system:adas:parking assist:sensors.
Bulletin Summary:	This preliminary information communicates information on how to disable the side blind zone detection and park assist systems when a customer removes the pickup box from the vehicle to install an aftermarket bed or body.
Vehicles covered in this TSB:	2019 Chevrolet Silverado 1500, 2020 Chevrolet Silverado 1500, 2021 Chevrolet Silverado 1500, 2022 Chevrolet Silverado 1500, 2023 Chevrolet Silverado 1500, 2024 Chevrolet Silverado 1500, 2020 Chevrolet Silverado 2500, 2021 Chevrolet Silverado 2500, 2022 Chevrolet Silverado 2500, 2023 Chevrolet Silverado 2500, 2024 Chevrolet Silverado 2500, 2020 Chevrolet Silverado 3500, 2021 Chevrolet Silverado 3500, 2022 Chevrolet Silverado 3500, 2023 Chevrolet Silverado 3500, 2024 Chevrolet Silverado 3500, 2024 Chevrolet Silverado Ev, 2019 GMC Sierra 1500, 2020 GMC Sierra 1500, 2021 GMC Sierra 1500, 2022 GMC Sierra 1500, 2023 GMC Sierra 1500, 2024 GMC Sierra 1500, 2020 GMC Sierra 2500, 2021 GMC Sierra 2500, 2022 GMC Sierra 2500, 2023 GMC Sierra 2500, 2024 GMC Sierra 2500, 2020 GMC Sierra 3500, 2021 GMC Sierra 3500, 2022 GMC Sierra 3500, 2023 GMC Sierra 3500, 2024 GMC Sierra 3500.

11 2021 Chevrolet Silverado 1500 axle assembly TSB (Bulletin PIP5962)

Bulletin Date:	Feb. 21, 2024
Component:	Axle assembly.
Bulletin Summary:	This preliminary information communicates how to isolate a tick noise from the rear axle housing.
Vehicles covered in this TSB:	2019 Chevrolet Silverado 1500, 2020 Chevrolet Silverado 1500, 2021 Chevrolet Silverado 1500, 2022 Chevrolet Silverado 1500, 2023 Chevrolet Silverado 1500, 2024 Chevrolet Silverado 1500, 2019 GMC Sierra 1500, 2020 GMC Sierra 1500, 2021 GMC Sierra 1500, 2022 GMC Sierra 1500, 2023 GMC Sierra 1500, 2024 GMC Sierra 1500.

12 2021 Chevrolet Silverado 1500 forward collision avoidance TSB (Bulletin PIT5551N)

Bulletin Date:	Feb. 21, 2024
Component:	Forward collision avoidance.
Bulletin Summary:	This preliminary information communicates a "forward collision system reduced" message displayed on the dic when the forward automatic braking has been set to the "alert" setting. This is normal when the fab has been set to "alert".
Vehicles covered in this TSB:	2018 Buick Enclave, 2019 Buick Enclave, 2020 Buick Enclave, 2021 Buick Enclave, 2022 Buick Enclave, 2023 Buick Enclave, 2024 Buick Enclave, 2024 Buick Envista, 2013 Cadillac ATS, 2014 Cadillac ATS, 2015 Cadillac ATS, 2016 Cadillac ATS, 2017 Cadillac ATS, 2018 Cadillac ATS, 2019 Cadillac ATS, 2016 Cadillac CT6, 2017 Cadillac CT6, 2018 Cadillac CT6, 2019 Cadillac CT6, 2020 Cadillac CT6, 2014 Cadillac CTS, 2015 Cadillac CTS, 2016 Cadillac CTS, 2017 Cadillac CTS, 2018 Cadillac CTS, 2019 Cadillac CTS, 2024 Cadillac Escalade, 2016 Cadillac Escalade Esv, 2017 Cadillac Escalade Esv, 2018 Cadillac Escalade Esv, 2019 Cadillac Escalade Esv, 2020 Cadillac Escalade Esv, 2021 Cadillac Escalade Esv, 2022 Cadillac Escalade Esv, 2023 Cadillac Escalade Esv, 2019 Cadillac XT4, 2020 Cadillac XT4, 2021 Cadillac XT4, 2022 Cadillac XT4, 2023 Cadillac XT4, 2024 Cadillac XT4, 2017 Cadillac XT5, 2018 Cadillac XT5, 2019 Cadillac XT5, 2020 Cadillac XT5, 2021 Cadillac XT5, 2022 Cadillac XT5, 2023 Cadillac XT5, 2024 Cadillac XT5, 2020 Cadillac XT6, 2021 Cadillac XT6, 2022 Cadillac XT6, 2023 Cadillac XT6, 2024 Cadillac XT6, 2018 Cadillac XTS, 2019 Cadillac XTS, 2019 Chevrolet Blazer, 2020 Chevrolet Blazer, 2021 Chevrolet Blazer, 2022 Chevrolet Blazer, 2023 Chevrolet Blazer, 2024 Chevrolet Blazer, 2017 Chevrolet Bolt Ev, 2018 Chevrolet Bolt Ev, 2019 Chevrolet Bolt Ev, 2020 Chevrolet Bolt Ev, 2021 Chevrolet Bolt Ev, 2022 Chevrolet Bolt Ev, 2023 Chevrolet Bolt Ev, 2015 Chevrolet Colorado, 2016 Chevrolet Colorado, 2017 Chevrolet Colorado, 2018 Chevrolet Colorado, 2019 Chevrolet Colorado, 2020 Chevrolet Colorado, 2021 Chevrolet Colorado, 2022 Chevrolet Colorado, 2023 Chevrolet Colorado, 2024 Chevrolet Colorado, 2018 Chevrolet Equinox, 2019 Chevrolet Equinox, 2020 Chevrolet Equinox, 2021 Chevrolet Equinox, 2022 Chevrolet Equinox, 2023 Chevrolet Equinox, 2024 Chevrolet Equinox, 2016 Chevrolet Malibu, 2017 Chevrolet Malibu, 2018 Chevrolet Malibu, 2019 Chevrolet Malibu, 2020 Chevrolet Malibu, 2021 Chevrolet Malibu, 2022 Chevrolet Malibu, 2023 Chevrolet Malibu, 2024 Chevrolet Malibu, 2017 Chevrolet Silverado 1500, 2018 Chevrolet Silverado 1500, 2019 Chevrolet Silverado 1500, 2020 Chevrolet Silverado 1500, 2021 Chevrolet Silverado 1500, 2022 Chevrolet Silverado 1500, 2023 Chevrolet Silverado 1500, 2024 Chevrolet Silverado 1500, 2017 Chevrolet Silverado 2500, 2018 Chevrolet Silverado 2500, 2019 Chevrolet Silverado 2500, 2020 Chevrolet Silverado 2500, 2021 Chevrolet Silverado 2500, 2022 Chevrolet Silverado 2500, 2023 Chevrolet Silverado 2500, 2024 Chevrolet Silverado 2500, 2017 Chevrolet Silverado 3500, 2018 Chevrolet Silverado 3500, 2019 Chevrolet Silverado 3500, 2020 Chevrolet Silverado 3500, 2021 Chevrolet Silverado 3500, 2022 Chevrolet Silverado 3500, 2023 Chevrolet Silverado 3500, 2024 Chevrolet Silverado 3500, 2024 Chevrolet Silverado Ev, 2018 Chevrolet Silverado Lt, 2017 Chevrolet Suburban, 2018 Chevrolet Suburban, 2019 Chevrolet Suburban, 2020 Chevrolet Suburban, 2021 Chevrolet Suburban, 2022 Chevrolet Suburban, 2023 Chevrolet Suburban, 2024 Chevrolet Suburban, 2017 Chevrolet Tahoe, 2018 Chevrolet Tahoe, 2019 Chevrolet Tahoe, 2020 Chevrolet Tahoe, 2021 Chevrolet Tahoe, 2022 Chevrolet Tahoe, 2023 Chevrolet Tahoe, 2024 Chevrolet Tahoe, 2018 Chevrolet Traverse, 2019 Chevrolet Traverse, 2020 Chevrolet Traverse, 2021 Chevrolet Traverse, 2022 Chevrolet Traverse, 2023 Chevrolet Traverse, 2024 Chevrolet Traverse, 2024 Chevrolet Trax, 2016 Chevrolet Volt, 2017 Chevrolet Volt, 2018 Chevrolet Volt, 2019 Chevrolet Volt, 2017 GMC Acadia, 2018 GMC Acadia, 2019 GMC Acadia, 2020 GMC Acadia, 2021 GMC Acadia, 2022 GMC Acadia, 2023 GMC Acadia, 2024 GMC Acadia, 2015 GMC Canyon, 2016 GMC Canyon, 2017 GMC Canyon, 2018 GMC Canyon, 2019 GMC Canyon, 2020 GMC Canyon, 2021 GMC Canyon, 2022 GMC Canyon, 2023 GMC Canyon, 2024 GMC Canyon, 2022 GMC Hummer Ev, 2023 GMC Hummer Ev, 2024 GMC Hummer Ev, 2017 GMC Sierra 1500, 2018 GMC Sierra 1500, 2019 GMC Sierra 1500, 2020 GMC Sierra 1500, 2021 GMC Sierra 1500, 2022 GMC Sierra 1500, 2023 GMC Sierra 1500, 2024 GMC Sierra 1500, 2017 GMC Sierra 2500, 2018 GMC Sierra 2500, 2019 GMC Sierra 2500, 2020 GMC Sierra 2500, 2021 GMC Sierra 2500, 2022 GMC Sierra 2500, 2023 GMC Sierra 2500, 2024 GMC Sierra 2500, 2017 GMC Sierra 3500, 2018 GMC Sierra 3500, 2019 GMC Sierra 3500, 2020 GMC Sierra 3500, 2021 GMC Sierra 3500, 2022 GMC Sierra 3500, 2023 GMC Sierra 3500, 2024 GMC Sierra 3500, 2018 GMC Terrain, 2019 GMC Terrain, 2020 GMC Terrain, 2021 GMC Terrain, 2022 GMC Terrain, 2023 GMC Terrain, 2024 GMC Terrain, 2024 GMC Yukon, 2017 GMC Yukon Denali, 2018 GMC Yukon Denali, 2019 GMC Yukon Denali, 2020 GMC Yukon Xl, 2021 GMC Yukon Xl, 2022 GMC Yukon Xl, 2023 GMC Yukon Xl.

13 2021 Chevrolet Silverado 1500 electronic stability control:automatic (asc) TSB (Bulletin PIT4322P)

Bulletin Date:	Feb. 21, 2024
Component:	Electronic stability control:automatic (asc).
Bulletin Summary:	This preliminary information communication provides information to the technician about vehicles that have an unwanted stability activation and/or a service stability message on the driver information center. Technician may find a diagnosti
Vehicles covered in this TSB:	2007 Cadillac Escalade, 2008 Cadillac Escalade, 2009 Cadillac Escalade, 2010 Cadillac Escalade, 2011 Cadillac Escalade, 2012 Cadillac Escalade, 2013 Cadillac Escalade, 2014 Cadillac Escalade, 2015 Cadillac Escalade, 2016 Cadillac Escalade, 2017 Cadillac Escalade, 2018 Cadillac Escalade, 2019 Cadillac Escalade, 2020 Cadillac Escalade, 2021 Cadillac Escalade, 2022 Cadillac Escalade, 2023 Cadillac Escalade, 2024 Cadillac Escalade, 2007 Cadillac Escalade Ext, 2008 Cadillac Escalade Ext, 2009 Cadillac Escalade Ext, 2010 Cadillac Escalade Ext, 2011 Cadillac Escalade Ext, 2012 Cadillac Escalade Ext, 2013 Cadillac Escalade Ext, 2007 Chevrolet Avalanche, 2008 Chevrolet Avalanche, 2009 Chevrolet Avalanche, 2010 Chevrolet Avalanche, 2011 Chevrolet Avalanche, 2012 Chevrolet Avalanche, 2013 Chevrolet Avalanche, 2007 Chevrolet Silverado 1500, 2008 Chevrolet Silverado 1500, 2009 Chevrolet Silverado 1500, 2010 Chevrolet Silverado 1500, 2011 Chevrolet Silverado 1500, 2012 Chevrolet Silverado 1500, 2013 Chevrolet Silverado 1500, 2014 Chevrolet Silverado 1500, 2015 Chevrolet Silverado 1500, 2016 Chevrolet Silverado 1500, 2017 Chevrolet Silverado 1500, 2018 Chevrolet Silverado 1500, 2019 Chevrolet Silverado 1500, 2020 Chevrolet Silverado 1500, 2021 Chevrolet Silverado 1500, 2022 Chevrolet Silverado 1500, 2023 Chevrolet Silverado 1500, 2024 Chevrolet Silverado 1500, 2007 Chevrolet Silverado 2500, 2008 Chevrolet Silverado 2500, 2009 Chevrolet Silverado 2500, 2010 Chevrolet Silverado 2500, 2011 Chevrolet Silverado 2500, 2012 Chevrolet Silverado 2500, 2013 Chevrolet Silverado 2500, 2014 Chevrolet Silverado 2500, 2015 Chevrolet Silverado 2500, 2016 Chevrolet Silverado 2500, 2017 Chevrolet Silverado 2500, 2018 Chevrolet Silverado 2500, 2019 Chevrolet Silverado 2500, 2020 Chevrolet Silverado 2500, 2021 Chevrolet Silverado 2500, 2022 Chevrolet Silverado 2500, 2023 Chevrolet Silverado 2500, 2024 Chevrolet Silverado 2500, 2007 Chevrolet Silverado 3500, 2008 Chevrolet Silverado 3500, 2009 Chevrolet Silverado 3500, 2010 Chevrolet Silverado 3500, 2011 Chevrolet Silverado 3500, 2012 Chevrolet Silverado 3500, 2013 Chevrolet Silverado 3500, 2014 Chevrolet Silverado 3500, 2015 Chevrolet Silverado 3500, 2016 Chevrolet Silverado 3500, 2017 Chevrolet Silverado 3500, 2018 Chevrolet Silverado 3500, 2019 Chevrolet Silverado 3500, 2020 Chevrolet Silverado 3500, 2021 Chevrolet Silverado 3500, 2022 Chevrolet Silverado 3500, 2023 Chevrolet Silverado 3500, 2024 Chevrolet Silverado 3500, 2024 Chevrolet Silverado Ev, 2018 Chevrolet Silverado Lt, 2007 Chevrolet Suburban, 2008 Chevrolet Suburban, 2009 Chevrolet Suburban, 2010 Chevrolet Suburban, 2011 Chevrolet Suburban, 2012 Chevrolet Suburban, 2013 Chevrolet Suburban, 2014 Chevrolet Suburban, 2015 Chevrolet Suburban, 2016 Chevrolet Suburban, 2017 Chevrolet Suburban, 2018 Chevrolet Suburban, 2019 Chevrolet Suburban, 2020 Chevrolet Suburban, 2021 Chevrolet Suburban, 2022 Chevrolet Suburban, 2023 Chevrolet Suburban, 2024 Chevrolet Suburban, 2007 Chevrolet Tahoe, 2008 Chevrolet Tahoe, 2009 Chevrolet Tahoe, 2010 Chevrolet Tahoe, 2011 Chevrolet Tahoe, 2012 Chevrolet Tahoe, 2013 Chevrolet Tahoe, 2014 Chevrolet Tahoe, 2015 Chevrolet Tahoe, 2016 Chevrolet Tahoe, 2017 Chevrolet Tahoe, 2018 Chevrolet Tahoe, 2019 Chevrolet Tahoe, 2020 Chevrolet Tahoe, 2021 Chevrolet Tahoe, 2022 Chevrolet Tahoe, 2023 Chevrolet Tahoe, 2024 Chevrolet Tahoe, 2007 GMC Sierra 1500, 2008 GMC Sierra 1500, 2009 GMC Sierra 1500, 2010 GMC Sierra 1500, 2011 GMC Sierra 1500, 2012 GMC Sierra 1500, 2013 GMC Sierra 1500, 2014 GMC Sierra 1500, 2015 GMC Sierra 1500, 2016 GMC Sierra 1500, 2017 GMC Sierra 1500, 2018 GMC Sierra 1500, 2019 GMC Sierra 1500, 2020 GMC Sierra 1500, 2021 GMC Sierra 1500, 2022 GMC Sierra 1500, 2023 GMC Sierra 1500, 2024 GMC Sierra 1500, 2007 GMC Sierra 2500, 2008 GMC Sierra 2500, 2009 GMC Sierra 2500, 2010 GMC Sierra 2500, 2011 GMC Sierra 2500, 2012 GMC Sierra 2500, 2013 GMC Sierra 2500, 2014 GMC Sierra 2500, 2015 GMC Sierra 2500, 2016 GMC Sierra 2500, 2017 GMC Sierra 2500, 2018 GMC Sierra 2500, 2019 GMC Sierra 2500, 2020 GMC Sierra 2500, 2021 GMC Sierra 2500, 2022 GMC Sierra 2500, 2023 GMC Sierra 2500, 2024 GMC Sierra 2500, 2007 GMC Sierra 3500, 2008 GMC Sierra 3500, 2009 GMC Sierra 3500, 2010 GMC Sierra 3500, 2011 GMC Sierra 3500, 2012 GMC Sierra 3500, 2013 GMC Sierra 3500, 2014 GMC Sierra 3500, 2015 GMC Sierra 3500, 2016 GMC Sierra 3500, 2017 GMC Sierra 3500, 2018 GMC Sierra 3500, 2019 GMC Sierra 3500, 2020 GMC Sierra 3500, 2021 GMC Sierra 3500, 2022 GMC Sierra 3500, 2023 GMC Sierra 3500, 2024 GMC Sierra 3500, 2007 GMC Yukon, 2008 GMC Yukon, 2009 GMC Yukon, 2010 GMC Yukon, 2011 GMC Yukon, 2012 GMC Yukon, 2013 GMC Yukon, 2014 GMC Yukon, 2015 GMC Yukon, 2016 GMC Yukon, 2017 GMC Yukon, 2018 GMC Yukon, 2019 GMC Yukon, 2020 GMC Yukon, 2021 GMC Yukon, 2022 GMC Yukon, 2023 GMC Yukon, 2024 GMC Yukon.

14 2021 Chevrolet Silverado 1500 lane departure: blind spot detection TSB (Bulletin PIT5744D)

Bulletin Date:	Feb. 21, 2024
Component:	Lane departure: blind spot detection.
Bulletin Summary:	This preliminary information communicates information on how to disable the side blind zone detection and park assist systems when a customer removes the pickup box from the vehicle to install an aftermarket bed or body.
Vehicles covered in this TSB:	2019 Chevrolet Silverado 1500, 2020 Chevrolet Silverado 1500, 2021 Chevrolet Silverado 1500, 2022 Chevrolet Silverado 1500, 2023 Chevrolet Silverado 1500, 2024 Chevrolet Silverado 1500, 2020 Chevrolet Silverado 2500, 2021 Chevrolet Silverado 2500, 2022 Chevrolet Silverado 2500, 2023 Chevrolet Silverado 2500, 2024 Chevrolet Silverado 2500, 2020 Chevrolet Silverado 3500, 2021 Chevrolet Silverado 3500, 2022 Chevrolet Silverado 3500, 2023 Chevrolet Silverado 3500, 2024 Chevrolet Silverado 3500, 2024 Chevrolet Silverado Ev, 2019 GMC Sierra 1500, 2020 GMC Sierra 1500, 2021 GMC Sierra 1500, 2022 GMC Sierra 1500, 2023 GMC Sierra 1500, 2024 GMC Sierra 1500, 2020 GMC Sierra 2500, 2021 GMC Sierra 2500, 2022 GMC Sierra 2500, 2023 GMC Sierra 2500, 2024 GMC Sierra 2500, 2020 GMC Sierra 3500, 2021 GMC Sierra 3500, 2022 GMC Sierra 3500, 2023 GMC Sierra 3500, 2024 GMC Sierra 3500.

15 2021 Chevrolet Silverado 1500 electrical system:adas:blindspot:software TSB (Bulletin PIT5744D)

Bulletin Date:	Feb. 21, 2024
Component:	Electrical system:adas:blindspot:software.
Bulletin Summary:	This preliminary information communicates information on how to disable the side blind zone detection and park assist systems when a customer removes the pickup box from the vehicle to install an aftermarket bed or body.
Vehicles covered in this TSB:	2019 Chevrolet Silverado 1500, 2020 Chevrolet Silverado 1500, 2021 Chevrolet Silverado 1500, 2022 Chevrolet Silverado 1500, 2023 Chevrolet Silverado 1500, 2024 Chevrolet Silverado 1500, 2020 Chevrolet Silverado 2500, 2021 Chevrolet Silverado 2500, 2022 Chevrolet Silverado 2500, 2023 Chevrolet Silverado 2500, 2024 Chevrolet Silverado 2500, 2020 Chevrolet Silverado 3500, 2021 Chevrolet Silverado 3500, 2022 Chevrolet Silverado 3500, 2023 Chevrolet Silverado 3500, 2024 Chevrolet Silverado 3500, 2024 Chevrolet Silverado Ev, 2019 GMC Sierra 1500, 2020 GMC Sierra 1500, 2021 GMC Sierra 1500, 2022 GMC Sierra 1500, 2023 GMC Sierra 1500, 2024 GMC Sierra 1500, 2020 GMC Sierra 2500, 2021 GMC Sierra 2500, 2022 GMC Sierra 2500, 2023 GMC Sierra 2500, 2024 GMC Sierra 2500, 2020 GMC Sierra 3500, 2021 GMC Sierra 3500, 2022 GMC Sierra 3500, 2023 GMC Sierra 3500, 2024 GMC Sierra 3500.

16 2021 Chevrolet Silverado 1500 steering TSB (Bulletin 23-NA-185)

Bulletin Date:	Feb. 14, 2024
Component:	Steering.
Bulletin Summary:	This service bulletin helps diagnose/reduce possible ccnd issues on transfer cases - service 4wd on dic, intermittent failures, noise concerns, driveline/steering vibration/shudder, intermittent dtcs/mil illuminated, engagement/disengagemen
Vehicles covered in this TSB:	2020 Cadillac Escalade, 2021 Cadillac Escalade, 2022 Cadillac Escalade, 2023 Cadillac Escalade, 2020 Cadillac Escalade Esv, 2021 Cadillac Escalade Esv, 2022 Cadillac Escalade Esv, 2023 Cadillac Escalade Esv, 2023 Chevrolet Colorado, 2024 Chevrolet Colorado, 2019 Chevrolet Silverado 1500, 2020 Chevrolet Silverado 1500, 2021 Chevrolet Silverado 1500, 2022 Chevrolet Silverado 1500, 2023 Chevrolet Silverado 1500, 2024 Chevrolet Silverado 1500, 2020 Chevrolet Silverado 2500, 2021 Chevrolet Silverado 2500, 2022 Chevrolet Silverado 2500, 2023 Chevrolet Silverado 2500, 2024 Chevrolet Silverado 2500, 2020 Chevrolet Silverado 3500, 2021 Chevrolet Silverado 3500, 2022 Chevrolet Silverado 3500, 2023 Chevrolet Silverado 3500, 2024 Chevrolet Silverado 3500, 2020 Chevrolet Suburban, 2021 Chevrolet Suburban, 2022 Chevrolet Suburban, 2023 Chevrolet Suburban, 2021 Chevrolet Suburban 1500, 2022 Chevrolet Suburban 1500, 2023 Chevrolet Suburban 1500, 2023 GMC Canyon, 2024 GMC Canyon, 2019 GMC Sierra 1500, 2020 GMC Sierra 1500, 2021 GMC Sierra 1500, 2022 GMC Sierra 1500, 2023 GMC Sierra 1500, 2024 GMC Sierra 1500, 2020 GMC Sierra 2500, 2021 GMC Sierra 2500, 2022 GMC Sierra 2500, 2023 GMC Sierra 2500, 2024 GMC Sierra 2500, 2020 GMC Sierra 3500, 2021 GMC Sierra 3500, 2022 GMC Sierra 3500, 2023 GMC Sierra 3500, 2024 GMC Sierra 3500, 2020 GMC Yukon, 2021 GMC Yukon, 2022 GMC Yukon, 2023 GMC Yukon, 2020 GMC Yukon Xl, 2021 GMC Yukon Xl, 2022 GMC Yukon Xl, 2023 GMC Yukon Xl, 2023 GMC Yukon Xl 1500.

17 2021 Chevrolet Silverado 1500 power train TSB (Bulletin 23-NA-185)

Bulletin Date:	Feb. 14, 2024
Component:	Power train.
Bulletin Summary:	This service bulletin helps diagnose/reduce possible ccnd issues on transfer cases - service 4wd on dic, intermittent failures, noise concerns, driveline/steering vibration/shudder, intermittent dtcs/mil illuminated, engagement/disengagemen
Vehicles covered in this TSB:	2020 Cadillac Escalade, 2021 Cadillac Escalade, 2022 Cadillac Escalade, 2023 Cadillac Escalade, 2020 Cadillac Escalade Esv, 2021 Cadillac Escalade Esv, 2022 Cadillac Escalade Esv, 2023 Cadillac Escalade Esv, 2023 Chevrolet Colorado, 2024 Chevrolet Colorado, 2019 Chevrolet Silverado 1500, 2020 Chevrolet Silverado 1500, 2021 Chevrolet Silverado 1500, 2022 Chevrolet Silverado 1500, 2023 Chevrolet Silverado 1500, 2024 Chevrolet Silverado 1500, 2020 Chevrolet Silverado 2500, 2021 Chevrolet Silverado 2500, 2022 Chevrolet Silverado 2500, 2023 Chevrolet Silverado 2500, 2024 Chevrolet Silverado 2500, 2020 Chevrolet Silverado 3500, 2021 Chevrolet Silverado 3500, 2022 Chevrolet Silverado 3500, 2023 Chevrolet Silverado 3500, 2024 Chevrolet Silverado 3500, 2020 Chevrolet Suburban, 2021 Chevrolet Suburban, 2022 Chevrolet Suburban, 2023 Chevrolet Suburban, 2021 Chevrolet Suburban 1500, 2022 Chevrolet Suburban 1500, 2023 Chevrolet Suburban 1500, 2023 GMC Canyon, 2024 GMC Canyon, 2019 GMC Sierra 1500, 2020 GMC Sierra 1500, 2021 GMC Sierra 1500, 2022 GMC Sierra 1500, 2023 GMC Sierra 1500, 2024 GMC Sierra 1500, 2020 GMC Sierra 2500, 2021 GMC Sierra 2500, 2022 GMC Sierra 2500, 2023 GMC Sierra 2500, 2024 GMC Sierra 2500, 2020 GMC Sierra 3500, 2021 GMC Sierra 3500, 2022 GMC Sierra 3500, 2023 GMC Sierra 3500, 2024 GMC Sierra 3500, 2020 GMC Yukon, 2021 GMC Yukon, 2022 GMC Yukon, 2023 GMC Yukon, 2020 GMC Yukon Xl, 2021 GMC Yukon Xl, 2022 GMC Yukon Xl, 2023 GMC Yukon Xl, 2023 GMC Yukon Xl 1500.

18 2021 Chevrolet Silverado 1500 electrical system TSB (Bulletin 23-NA-185)

Bulletin Date:	Feb. 14, 2024
Component:	Electrical system.
Bulletin Summary:	This service bulletin helps diagnose/reduce possible ccnd issues on transfer cases - service 4wd on dic, intermittent failures, noise concerns, driveline/steering vibration/shudder, intermittent dtcs/mil illuminated, engagement/disengagemen
Vehicles covered in this TSB:	2020 Cadillac Escalade, 2021 Cadillac Escalade, 2022 Cadillac Escalade, 2023 Cadillac Escalade, 2020 Cadillac Escalade Esv, 2021 Cadillac Escalade Esv, 2022 Cadillac Escalade Esv, 2023 Cadillac Escalade Esv, 2023 Chevrolet Colorado, 2024 Chevrolet Colorado, 2019 Chevrolet Silverado 1500, 2020 Chevrolet Silverado 1500, 2021 Chevrolet Silverado 1500, 2022 Chevrolet Silverado 1500, 2023 Chevrolet Silverado 1500, 2024 Chevrolet Silverado 1500, 2020 Chevrolet Silverado 2500, 2021 Chevrolet Silverado 2500, 2022 Chevrolet Silverado 2500, 2023 Chevrolet Silverado 2500, 2024 Chevrolet Silverado 2500, 2020 Chevrolet Silverado 3500, 2021 Chevrolet Silverado 3500, 2022 Chevrolet Silverado 3500, 2023 Chevrolet Silverado 3500, 2024 Chevrolet Silverado 3500, 2020 Chevrolet Suburban, 2021 Chevrolet Suburban, 2022 Chevrolet Suburban, 2023 Chevrolet Suburban, 2021 Chevrolet Suburban 1500, 2022 Chevrolet Suburban 1500, 2023 Chevrolet Suburban 1500, 2023 GMC Canyon, 2024 GMC Canyon, 2019 GMC Sierra 1500, 2020 GMC Sierra 1500, 2021 GMC Sierra 1500, 2022 GMC Sierra 1500, 2023 GMC Sierra 1500, 2024 GMC Sierra 1500, 2020 GMC Sierra 2500, 2021 GMC Sierra 2500, 2022 GMC Sierra 2500, 2023 GMC Sierra 2500, 2024 GMC Sierra 2500, 2020 GMC Sierra 3500, 2021 GMC Sierra 3500, 2022 GMC Sierra 3500, 2023 GMC Sierra 3500, 2024 GMC Sierra 3500, 2020 GMC Yukon, 2021 GMC Yukon, 2022 GMC Yukon, 2023 GMC Yukon, 2020 GMC Yukon Xl, 2021 GMC Yukon Xl, 2022 GMC Yukon Xl, 2023 GMC Yukon Xl, 2023 GMC Yukon Xl 1500.

19 2021 Chevrolet Silverado 1500 equipment TSB (Bulletin 23-NA-185)

Bulletin Date:	Feb. 14, 2024
Component:	Equipment.
Bulletin Summary:	This service bulletin helps diagnose/reduce possible ccnd issues on transfer cases - service 4wd on dic, intermittent failures, noise concerns, driveline/steering vibration/shudder, intermittent dtcs/mil illuminated, engagement/disengagemen
Vehicles covered in this TSB:	2020 Cadillac Escalade, 2021 Cadillac Escalade, 2022 Cadillac Escalade, 2023 Cadillac Escalade, 2020 Cadillac Escalade Esv, 2021 Cadillac Escalade Esv, 2022 Cadillac Escalade Esv, 2023 Cadillac Escalade Esv, 2023 Chevrolet Colorado, 2024 Chevrolet Colorado, 2019 Chevrolet Silverado 1500, 2020 Chevrolet Silverado 1500, 2021 Chevrolet Silverado 1500, 2022 Chevrolet Silverado 1500, 2023 Chevrolet Silverado 1500, 2024 Chevrolet Silverado 1500, 2020 Chevrolet Silverado 2500, 2021 Chevrolet Silverado 2500, 2022 Chevrolet Silverado 2500, 2023 Chevrolet Silverado 2500, 2024 Chevrolet Silverado 2500, 2020 Chevrolet Silverado 3500, 2021 Chevrolet Silverado 3500, 2022 Chevrolet Silverado 3500, 2023 Chevrolet Silverado 3500, 2024 Chevrolet Silverado 3500, 2020 Chevrolet Suburban, 2021 Chevrolet Suburban, 2022 Chevrolet Suburban, 2023 Chevrolet Suburban, 2021 Chevrolet Suburban 1500, 2022 Chevrolet Suburban 1500, 2023 Chevrolet Suburban 1500, 2023 GMC Canyon, 2024 GMC Canyon, 2019 GMC Sierra 1500, 2020 GMC Sierra 1500, 2021 GMC Sierra 1500, 2022 GMC Sierra 1500, 2023 GMC Sierra 1500, 2024 GMC Sierra 1500, 2020 GMC Sierra 2500, 2021 GMC Sierra 2500, 2022 GMC Sierra 2500, 2023 GMC Sierra 2500, 2024 GMC Sierra 2500, 2020 GMC Sierra 3500, 2021 GMC Sierra 3500, 2022 GMC Sierra 3500, 2023 GMC Sierra 3500, 2024 GMC Sierra 3500, 2020 GMC Yukon, 2021 GMC Yukon, 2022 GMC Yukon, 2023 GMC Yukon, 2020 GMC Yukon Xl, 2021 GMC Yukon Xl, 2022 GMC Yukon Xl, 2023 GMC Yukon Xl, 2023 GMC Yukon Xl 1500.

20 2021 Chevrolet Silverado 1500 brakes (pws) TSB (Bulletin PIT5479F)

Bulletin Date:	Feb. 6, 2024
Component:	Brakes (pws).
Bulletin Summary:	This preliminary information communication provides information to the technician about fluid leaking from the brake caliper piston area found during a service of the vehicle. The substance is actually excess assembly grease from the calipe
Vehicles covered in this TSB:	2024 Cadillac Escalade, 2015 Cadillac Escalade Esv, 2016 Cadillac Escalade Esv, 2017 Cadillac Escalade Esv, 2018 Cadillac Escalade Esv, 2019 Cadillac Escalade Esv, 2020 Cadillac Escalade Esv, 2021 Cadillac Escalade Esv, 2022 Cadillac Escalade Esv, 2023 Cadillac Escalade Esv, 2015 Chevrolet Colorado, 2016 Chevrolet Colorado, 2017 Chevrolet Colorado, 2018 Chevrolet Colorado, 2019 Chevrolet Colorado, 2020 Chevrolet Colorado, 2021 Chevrolet Colorado, 2022 Chevrolet Colorado, 2023 Chevrolet Colorado, 2024 Chevrolet Colorado, 2014 Chevrolet Silverado 1500, 2015 Chevrolet Silverado 1500, 2016 Chevrolet Silverado 1500, 2017 Chevrolet Silverado 1500, 2018 Chevrolet Silverado 1500, 2019 Chevrolet Silverado 1500, 2020 Chevrolet Silverado 1500, 2021 Chevrolet Silverado 1500, 2022 Chevrolet Silverado 1500, 2023 Chevrolet Silverado 1500, 2024 Chevrolet Silverado 1500, 2015 Chevrolet Silverado 2500, 2016 Chevrolet Silverado 2500, 2017 Chevrolet Silverado 2500, 2018 Chevrolet Silverado 2500, 2019 Chevrolet Silverado 2500, 2020 Chevrolet Silverado 2500, 2021 Chevrolet Silverado 2500, 2022 Chevrolet Silverado 2500, 2023 Chevrolet Silverado 2500, 2024 Chevrolet Silverado 2500, 2015 Chevrolet Silverado 3500, 2016 Chevrolet Silverado 3500, 2017 Chevrolet Silverado 3500, 2018 Chevrolet Silverado 3500, 2019 Chevrolet Silverado 3500, 2020 Chevrolet Silverado 3500, 2021 Chevrolet Silverado 3500, 2022 Chevrolet Silverado 3500, 2023 Chevrolet Silverado 3500, 2024 Chevrolet Silverado 3500, 2024 Chevrolet Silverado Ev, 2018 Chevrolet Silverado Lt, 2015 Chevrolet Suburban, 2016 Chevrolet Suburban, 2017 Chevrolet Suburban, 2018 Chevrolet Suburban, 2019 Chevrolet Suburban, 2020 Chevrolet Suburban, 2021 Chevrolet Suburban, 2022 Chevrolet Suburban, 2023 Chevrolet Suburban, 2024 Chevrolet Suburban, 2015 Chevrolet Tahoe, 2016 Chevrolet Tahoe, 2017 Chevrolet Tahoe, 2018 Chevrolet Tahoe, 2019 Chevrolet Tahoe, 2020 Chevrolet Tahoe, 2021 Chevrolet Tahoe, 2022 Chevrolet Tahoe, 2023 Chevrolet Tahoe, 2024 Chevrolet Tahoe, 2015 GMC Canyon, 2016 GMC Canyon, 2017 GMC Canyon, 2018 GMC Canyon, 2019 GMC Canyon, 2020 GMC Canyon, 2021 GMC Canyon, 2022 GMC Canyon, 2023 GMC Canyon, 2024 GMC Canyon, 2014 GMC Sierra 1500, 2015 GMC Sierra 1500, 2016 GMC Sierra 1500, 2017 GMC Sierra 1500, 2018 GMC Sierra 1500, 2019 GMC Sierra 1500, 2020 GMC Sierra 1500, 2021 GMC Sierra 1500, 2022 GMC Sierra 1500, 2023 GMC Sierra 1500, 2024 GMC Sierra 1500, 2015 GMC Sierra 2500, 2016 GMC Sierra 2500, 2017 GMC Sierra 2500, 2018 GMC Sierra 2500, 2019 GMC Sierra 2500, 2020 GMC Sierra 2500, 2021 GMC Sierra 2500, 2022 GMC Sierra 2500, 2023 GMC Sierra 2500, 2024 GMC Sierra 2500, 2015 GMC Sierra 3500, 2016 GMC Sierra 3500, 2017 GMC Sierra 3500, 2018 GMC Sierra 3500, 2019 GMC Sierra 3500, 2020 GMC Sierra 3500, 2021 GMC Sierra 3500, 2022 GMC Sierra 3500, 2023 GMC Sierra 3500, 2024 GMC Sierra 3500, 2024 GMC Yukon, 2015 GMC Yukon Denali, 2016 GMC Yukon Denali, 2017 GMC Yukon Denali, 2018 GMC Yukon Denali, 2019 GMC Yukon Denali, 2020 GMC Yukon Xl, 2021 GMC Yukon Xl, 2022 GMC Yukon Xl, 2023 GMC Yukon Xl.

Also see Common problems of Chevrolet Silverado 1500.

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