This computer is interchangeable with the following service numbers:12633264 12678513. We will need yourcomplete 17 digit VIN in order to program the module.
Programmed 12200411 PCM | GM Engine Computer | Plug & Drive ECM
Programmed 12586242 ECM for 2004 GM Trucks & SUVs | Engine Computer ECU
Programmed 12581565 PCM | 2003 GM Truck & Van Engine Computer
Pre-Programmed GM ECM 12633555 | Plug & Play Engine Computer | 12653998
2001-03 12200411 GM Cars/Trucks Engine Computer Programmed Plug & Play ECM PCM
1990-1993 GM TRUCK ECM ENGINE COMPUTER 16144288 ATKP
