Chevrolet Blazer EV 2011–2026 — technical service bulletin
Bulletin PIT6247B · NHTSA communication 11032577 · issued May 4, 2026
Technical service bulletin
communication type
Unknown OR Other
component
2011–2026
model years
57
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
- 2026 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
- 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
- 2011 Chevrolet Impala
- 2012 Chevrolet Impala
- 2013 Chevrolet Impala
- 2018 Chevrolet Impala
- 2019 Chevrolet Impala
- 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
- 2026 Chevrolet Silverado 1500
- 2011 Chevrolet Silverado 2500
- 2011 Chevrolet Suburban
- 2012 Chevrolet Suburban
- 2013 Chevrolet Suburban
- 2014 Chevrolet Suburban
- 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
- 2025 Chevrolet Tahoe
- 2026 Chevrolet Tahoe
- 2011 Chevrolet Tahoe Hybrid
- 2012 Chevrolet Tahoe Hybrid
- 2013 Chevrolet Tahoe Hybrid
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.