Chevrolet Colorado 2014–2019 — technical service bulletin

Bulletin 19NA153 · NHTSA communication 10199241 · issued May 3, 2021

Technical service bulletin

communication type

Electrical System

component

2014–2019

model years

vehicle entries

Official summary

This technical bulletin provides a procedure to replace the torque converter and inspect the front pump and the TEHCM for metal.

Vehicles covered

2015 Chevrolet Colorado
2016 Chevrolet Colorado
2017 Chevrolet Colorado
2018 Chevrolet Colorado
2019 Chevrolet Colorado
2014 Chevrolet Express
2015 Chevrolet Express
2016 Chevrolet Express
2017 Chevrolet Express
2018 Chevrolet Express
2019 Chevrolet Express
2014 Chevrolet Silverado 1500
2017 Chevrolet Silverado 1500
2018 Chevrolet Silverado 1500
2019 Chevrolet Silverado 1500
2014 Chevrolet Silverado 2500
2015 Chevrolet Silverado 2500
2016 Chevrolet Silverado 2500
2017 Chevrolet Silverado 2500
2018 Chevrolet Silverado 2500
2019 Chevrolet Silverado 2500
2019 Chevrolet Silverado 4500
2014 Chevrolet Suburban
2015 Chevrolet Suburban
2016 Chevrolet Suburban
2017 Chevrolet Suburban
2018 Chevrolet Suburban
2019 Chevrolet Suburban
2014 Chevrolet Tahoe
2015 Chevrolet Tahoe
2016 Chevrolet Tahoe
2017 Chevrolet Tahoe
2018 Chevrolet Tahoe
2019 Chevrolet Tahoe
2016 GMC Canyon
2017 GMC Canyon
2018 GMC Canyon
2019 GMC Canyon
2014 GMC Savana
2015 GMC Savana
2016 GMC Savana
2017 GMC Savana
2018 GMC Savana
2019 GMC Savana
2014 GMC Sierra 1500
2019 GMC Sierra 1500
2014 GMC Sierra 2500
2015 GMC Sierra 2500
2016 GMC Sierra 2500
2017 GMC Sierra 2500
2018 GMC Sierra 2500
2019 GMC Sierra 2500
2015 GMC Sierra Denali
2016 GMC Sierra Denali
2017 GMC Sierra Denali
2018 GMC Sierra Denali
2019 GMC Sierra Denali
2014 GMC Yukon
2015 GMC Yukon
2016 GMC Yukon

What a TSB means. Technical service bulletins are repair guidance manufacturers send to dealers — they are not recalls, and repairs are not automatically free (warranty extensions are an exception worth checking). The full document is available via NHTSA’s vehicle lookup.