TSB 22-NA-080 — Cadillac, Chevrolet and GMC Service bulletin
22-NA-080 is a service bulletin on file with NHTSA for 8 Cadillac, Chevrolet and GMC models, 2014–2020 model years. A TSB is factory repair guidance, not a recall — the repair is not automatically free.
What the bulletin says. This technical bulletin provides a procedure to replace the camshaft actuator magnet to correct customer concerns of engine related shudder.
NHTSA's own summary of the document, quoted from the public manufacturer-communications file.
Vehicles and model years 22-NA-080 names
| Vehicle | Model years |
|---|---|
| Cadillac Escalade | 2015, 2016, 2017, 2018, 2019, 2020 |
| Chevrolet Camaro | 2016, 2017, 2018, 2019, 2020 |
| Chevrolet Corvette | 2014, 2015, 2016, 2017, 2018, 2019, 2020 |
| Chevrolet Silverado 1500 | 2014, 2015, 2016, 2017, 2018 |
| Chevrolet Suburban | 2015, 2016, 2017, 2018, 2019, 2020 |
| Chevrolet Tahoe | 2015, 2016, 2017, 2018, 2019, 2020 |
| GMC Sierra 1500 | 2014, 2015, 2016, 2017, 2018 |
| GMC Yukon | 2015, 2016, 2017, 2018, 2019 |
Every document filed under 22-NA-080
| Document ID | Filed | Type |
|---|---|---|
| 22-NA-080 | September 6, 2025 | Service bulletin |
What 22-NA-080 covers
Engine — the component vocabulary NHTSA files this communication under.
Questions buyers ask
What is TSB 22-NA-080?
22-NA-080 is a service bulletin filed with NHTSA by Cadillac, Chevrolet and GMC, covering 8 Cadillac, Chevrolet and GMC models across the 2014–2020 model years. NHTSA's summary reads: This technical bulletin provides a procedure to replace the camshaft actuator magnet to correct customer concerns of engine related shudder.
Which vehicles does 22-NA-080 cover?
NHTSA's file names Cadillac Escalade (2015–2020); Chevrolet Camaro (2016–2020); Chevrolet Corvette (2014–2020); Chevrolet Silverado 1500 (2014–2018); Chevrolet Suburban (2015–2020); Chevrolet Tahoe (2015–2020); GMC Sierra 1500 (2014–2018); GMC Yukon (2015–2019). 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 22-NA-080 a recall, and is the repair free?
No. 22-NA-080 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 22-NA-080?
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 22-NA-080, 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 22-NA-080. Check any specific vehicle's open recalls by VIN at nhtsa.gov/recalls.