Dan Karman has been repairing automotive electronics since 1999. Karmanauto launched online in 2006 and has reset tens of thousands of airbag modules from every state — including thousands of General Motors SDM units across Chevrolet, GMC, Cadillac, Buick, Hummer, Pontiac, Saturn, and Oldsmobile. See our reset work on YouTube (@vehix411). Page updated April 2026. [...]
Chevrolet Airbag Module Crash Reset & Repair Service — Mail-In, 24-Hour Turnaround After any airbag deployment, your Chevy’s SDM (Sensing and Diagnostic Module) locks itself with permanent crash codes — the airbag light stays on and a GM Tech 2 cannot clear it. Dealers respond with a new VIN-coded module at $900-1,400 plus shop labor. [...]
GMC Airbag Module Crash Reset & Repair Service — Mail-In, 24-Hour Turnaround Your GMC’s airbag control module stores hard crash codes and a lockout byte in EEPROM the moment any airbag or pretensioner fires. Once stored, the airbag light will not clear with a scan tool. A dealer-replacement module runs $900-1,500 VIN-coded, before labor. We [...]
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 [...]


