The 2009 H2 has 635 TSBs which is more than any of the other 6 years. On average you can expect 578.71 tsbs per model year and we've listed some of the most recent below.
A TSB may provide a hint at potential problems with your vehicle, or help save money by alerting you to future problems.
Hummer H2 Technical Service Bulletins (TSBs)
Every tsbs can involve multiple model years, so we've taken each of the 7 H2 years and ranked them by how many times they've been involved in a specific campaign. Want to see how the H2 stacks up? Sort tsbs by model.