1C3F-12A650-ATB 2001 SuperDuty Diesel 7.3L DI TC Engine Control Module JLJ1 ServiceNumber_24243901 (left side rear frame) 2011-2012

(left side rear frame) 2011-2012 GMC Sierra 3500 Varies by application | Towing Control

That is what makes this the superior programming option rather than installing a unit

3L V8 2008-2014 GMC Savana 4

Catch code: CHK2

1C3F-12A650-ATB 2001 SuperDuty Diesel 7.3L DI TC Engine Control Module JLJ1 ServiceNumber_24243901 (left side rear frame) 2011-2012Remanufactured PCM ECU VIN Programmed Ready to Install This remanufactured PCM (Powertrain Control Module) ECU (Engine Control Unit) is professionally rebuilt, tested, and VIN programmed specifically to your vehicle. Each unit is delivered fully programmed and ready to install, eliminating the need for the dealership. Product details Model year: 2001 Vehicle line: SuperDuty Diesel Engine displacement: 7. 3L DI TC Transmission type: Automatic Catch