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It's important to keep your GMC Sierra 2500 truck working as hard as the first day you bought it. When you upload a performance tune with a power programmer for GMC Sierra 2500 from AutoZone, improved performance makes it easy to keep on trucking.

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  • Part Number: 32500
  • Notes: Carb EO D-260-15. DTCs read and clear. Internet updateable. Premium octane. Regular octane. Return back to stock. Rev limit 5200 to 6200 rpm in 100 rpm increments. Shift firmness yes/no. Shift point adjustment 1-2 shift. -6 To +6 mph- 2-3 shift. -12 To +12 mph- 3-4 shift. -18 To +18 mph-. Speedometer\odometer correction for gears 2.73- 3.08- 3.23- 3.42- 3.73- 4.10 & 4.56. Speedometer\odometer correction for tire sizes 24-34 inches 1/4 inch increments. Top speed limiter 110 & 128 mph
  • Part Number: 26040
  • Notes: EVO HT2 Programmer. Up To 54 HP/55 Lbs.-feet. Torque Shift Firmness/Points. Revolutions speed limiter. Tire. DCT. Adjustable fan. Internet Updateable.
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A GMC Sierra 2500 power programmer allows you to do a performance tune on your truck. Just plug the programmer into the on-board diagnostic port and the computer memory is reprogrammed with performance data and maps. Benefits of performance tuning include increased torque and horsepower, better fuel economy and the ability to monitor coolant and oil temperatures as well as being able to check your own Check Engine Light codes. Give your truck a performance tune today with Sierra 2500 power programmers from AutoZone and enjoy Free Shipping on purchases of $75 or more and Same Day Store Pickup of online orders.

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