TSB PIT6247B — Chevrolet Service bulletin
PIT6247B is a service bulletin on file with NHTSA for 5 Chevrolet models, 2011–2021 model years. A TSB is factory repair guidance, not a recall — the repair is not automatically free.
What the bulletin says. This Preliminary information communicates direction to find information at www.gmupfitter.com for Police and Special Service Vehicles.
NHTSA's own summary of the document, quoted from the public manufacturer-communications file.
Vehicles and model years PIT6247B names
| Vehicle | Model years |
|---|---|
| Chevrolet Impala | 2011, 2012, 2013, 2018, 2019 |
| Chevrolet Silverado 1500 | 2017, 2018, 2019, 2020, 2021 |
| Chevrolet Silverado 2500 | 2011 |
| Chevrolet Suburban | 2011, 2012, 2013, 2014 |
| Chevrolet Tahoe | 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021 |
Every document filed under PIT6247B
| Document ID | Filed | Type |
|---|---|---|
| PIT6247B | May 4, 2026 | Service bulletin |
Questions buyers ask
What is TSB PIT6247B?
PIT6247B is a service bulletin filed with NHTSA by Chevrolet, covering 5 Chevrolet models across the 2011–2021 model years. NHTSA's summary reads: This Preliminary information communicates direction to find information at www.gmupfitter.com for Police and Special Service Vehicles.
Which vehicles does PIT6247B cover?
NHTSA's file names Chevrolet Impala (2011–2013, 2018–2019); Chevrolet Silverado 1500 (2017–2021); Chevrolet Silverado 2500 (2011); Chevrolet Suburban (2011–2014); Chevrolet Tahoe (2011–2021). A bulletin number can be re-issued against more vehicles later, so check the model-year list on this page against your own.
Is TSB PIT6247B a recall, and is the repair free?
No. PIT6247B is repair guidance the manufacturer sent its dealers, not a safety defect finding. You pay for the work unless the vehicle is still under warranty. Recall repairs, by contrast, are always free.
How do I get the full text of PIT6247B?
Take the document ID to a dealer's service desk, or search NHTSA's manufacturer-communications records. This page carries every document ID filed under PIT6247B, its date, and NHTSA's own summary from the public file.
Every number on this page is a count of records in the federal complaint, recall, and investigation files published by NHTSA's Office of Defects Investigation. This page lists only what NHTSA's manufacturer-communications file records under PIT6247B. Check any specific vehicle's open recalls by VIN at nhtsa.gov/recalls.