Chevrolet Blazer EV 2011–2025 — technical service bulletin
Bulletin PIT6247A · NHTSA communication 11022071 · issued Aug 5, 2025
Technical service bulletin
communication type
Unknown / Other
component
2011–2025
model years
60
vehicle entries
Official summary
This Preliminary information communicates direction to find information at www.gmupfitter.com for Police and Special Service Vehicles.
Vehicles covered
- 2024 Chevrolet Blazer EV
- 2025 Chevrolet Blazer EV
- 2012 Chevrolet Caprice Police Pursuit
- 2013 Chevrolet Caprice Police Pursuit
- 2014 Chevrolet Caprice Police Pursuit
- 2015 Chevrolet Caprice Police Pursuit
- 2016 Chevrolet Caprice Police Pursuit
- 2017 Chevrolet Caprice Police Pursuit
- 2022 Chevrolet Equinox
- 2011 Chevrolet Express
- 2012 Chevrolet Express
- 2013 Chevrolet Express
- 2014 Chevrolet Express
- 2015 Chevrolet Express
- 2016 Chevrolet Express
- 2017 Chevrolet Express
- 2018 Chevrolet Express
- 2019 Chevrolet Express
- 2023 Chevrolet Express
- 2024 Chevrolet Express
- 2011 Chevrolet Impala
- 2012 Chevrolet Impala
- 2013 Chevrolet Impala
- 2014 Chevrolet Impala
- 2015 Chevrolet Impala
- 2016 Chevrolet Impala
- 2017 Chevrolet Impala
- 2018 Chevrolet Impala
- 2019 Chevrolet Impala
- 2012 Chevrolet Silverado 1500
- 2013 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
- 2025 Chevrolet Silverado 1500
- 2011 Chevrolet Silverado 2500
- 2011 Chevrolet Suburban
- 2012 Chevrolet Suburban
- 2013 Chevrolet Suburban
- 2014 Chevrolet Suburban
- 2025 Chevrolet Suburban 1500
- 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
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.