Clusters and services for your 2009 Hummer H3
ECU services are available.
We are currently at work adding ECU services for your 2009 Hummer H3. In the meantime, please contact us directly so we can assist you.

Cloning for immobilizers
We provide full cloning services for vehicles that hold the immobilizer inside the cluster. Cloning involves transferring the immobilizer data from your old cluster to your replacement cluster.

Mileage correction
Car & Truck Electronics provides the most reliable speedometer calibration and mileage correction services, to ensure that your gauge is working properly and that the mileage on your dashboard is accurate.
Provide us with your part number
Your part number allows us to more quickly find the correct clusters for you at the right price. This may translate into savings for you.
Common ECU issues we solve
- Free shipping
- 1 year warranty
- Shipped within 24 business hours
- Tested and approved
- Top notch customer service
The Hummer H3 is a midsize SUV, renowned for its off-road prowess, distinctive design, and robust capabilities, representing a more compact and accessible version of the iconic Hummer brand.
However, like all vehicles, your H3 may eventually face problems with its instrument cluster. Car & Truck Electronics is here to help. Your H3 may experience problems such as erratic gauges, back-lighting issues, warning lights, digital display issues, needles sticking or jumping, electrical connection issues, faulty speedometer, and/or total or partial cluster failure. Car & Truck Electronics specializes in dash cluster problems with a focus on replacing malfunctioning clusters. If your H3 is experiencing any of these issues, give us a call!