TSB 19-NA-255 — Cadillac, Chevrolet and GMC Service bulletin
19-NA-255 is a service bulletin on file with NHTSA for 3 Cadillac, Chevrolet and GMC models, 2011 model years. A TSB is factory repair guidance, not a recall — the repair is not automatically free.
What the bulletin says. This service bulletin provides frame coating repair information to correct a customer concern of wax coating on frame peeling, metal shows corrosion/rusting (U.S. and Canada Only).
NHTSA's own summary of the document, quoted from the public manufacturer-communications file.
Vehicles and model years 19-NA-255 names
| Vehicle | Model years |
|---|---|
| Cadillac Escalade | 2011 |
| Chevrolet Avalanche | 2011 |
| GMC Yukon | 2011 |
Every document filed under 19-NA-255
| Document ID | Filed | Type |
|---|---|---|
| 19-NA-255 | March 11, 2025 | Service bulletin |
What 19-NA-255 covers
Body & structure — the component vocabulary NHTSA files this communication under.
Questions buyers ask
What is TSB 19-NA-255?
19-NA-255 is a service bulletin filed with NHTSA by Cadillac, Chevrolet and GMC, covering 3 Cadillac, Chevrolet and GMC models across the 2011 model years. NHTSA's summary reads: This service bulletin provides frame coating repair information to correct a customer concern of wax coating on frame peeling, metal shows corrosion/rusting (U.S. and Canada Only).
Which vehicles does 19-NA-255 cover?
NHTSA's file names Cadillac Escalade (2011); Chevrolet Avalanche (2011); GMC Yukon (2011). 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 19-NA-255 a recall, and is the repair free?
No. 19-NA-255 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 19-NA-255?
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 19-NA-255, 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 19-NA-255. Check any specific vehicle's open recalls by VIN at nhtsa.gov/recalls.