Hummer
Hummer ECU & Module Programming Services
Karman Auto provides professional Hummer ECU cloning, VIN programming, BCM programming, cluster mileage correction, airbag module reset, and key programming services. All work is performed at the bench level using direct EEPROM read/write, so your vehicle’s factory configuration, immobilizer data, and VIN stay intact.
We service H1, H2, and H3, and many more. Send your module in and we’ll return it plug-and-play ready — no dealer visit required.
Common Hummer Services
- ECU / ECM cloning — transfer data from a failed or locked ECU to a replacement unit
- VIN programming & IMMO matching — write the correct VIN and immobilizer keys to a used module
- Instrument cluster mileage correction — match odometer to the vehicle’s true mileage after repair
- BCM / gateway module programming — clone or renew a failed body control or gateway module
- Airbag SRS crash reset — clear crash data and restore module to ready state
- Key programming & IMMO off — when original data is unreadable
Nationwide mail-in service, 24-hour bench turnaround, and a warranty on every repair. Typical savings versus dealer programming: 50–70%. Ship your Hummer module to us and have it back to you in days.
Browse supported Hummer services below, or contact us with your VIN and part number if you don’t see your exact module listed.
Service Description for BCM and Cluster Programming, Mileage Correction Service Service Overview: This service is designed for Hummer H3, Chevy Colorado, and GMC Canyon vehicles. It offers programming and mileage correction for the BCM (Body Control Module) and instrument cluster to ensure they reflect the correct mileage. What This Service Includes: Mileage Correction: Corrects mileage [...]
Hummer Airbag Module Crash Reset & Repair Service — Mail-In, 24-Hour Turnaround Hummer airbag modules — whether the H1 Continental unit, the H2/H3 GM SDM, or the 2022+ GMC Hummer EV module — all lock themselves with crash codes after any deployment. New modules from GM are expensive and VIN-locked to one chassis. We bench-read [...]


