2004 Hummer H2 Programmers

Keep Your 2004 Hummer H2 in Top Shape with a Quality Programmer

When it comes to maintaining or upgrading your 2004 Hummer H2, choosing high-quality parts is crucial for ensuring your vehicle stays in top shape, whether you’re tackling a repair or enhancing performance. At Advance Auto Parts, we know how important it is to find the right Programmer for your H2. We currently carry a top Programmer in stock that is built to last. Whether you’re replacing a damaged Programmer or looking to upgrade, our selection for the 2004 Hummer H2 ensures you’ll find exactly what you need to keep your vehicle looking and performing its best.

Explore Related Parts

And while you’re here, don’t forget to check out related part categories like Performance Air Intake Kits and Performance Oil Filters to complete your upgrade or repair project. At Advance Auto Parts, we’re proud to offer the parts and expertise to keep your 2004 Hummer H2 running smoothly and looking great.

Essential 2004 Hummer H2 Programmers

Hypertech – REACT Towing Throttle Optimizer: Improve the power delivery when you’re towing or hauling (Part No.102402)

REACT Towing Throttle Optimizer: Improve the power delivery when you're towing or hauling

from

$328.99
The REACT offers fully customizable control over your vehicle’s throttle response. The simple control knob allows you to switch between multiple modes and control the throttle intensity of each mode on-the-fly. The REACT installs easily and is completely plug-and-play, has an automatic setup sequence so no disassembly is required, comes with a magnetic A/C vent mount (Pedestal swivel mount also available – Sold separately at hypertech.com/REACT.aspx), and doesn’t void your factory warranty. Plus the REACT is internet updateable. Three (3) versions of the REACT throttle optimizer are available to fit your particular driving needs… Performance, Off-Road, and Tow.

Product Features:
  • On-The-Fly Adjustments
  • LED Setting Indicators
  • Multiple Levels Of Safety Protection
  • Magnetic A/C Vent Mount Incl. [No Screw Or Tape]
  • Pedestal Swivel Mount Available [Sold Separately]
  • Custom Tuning Software
  • Internet Updateable
  • Easy Plug-N-Play Install
  • Automatic Setup Sequence [No Disassembly Required]
  • Doesnt Void Factory Warranty
  • Product might not be available in all states due to local laws.
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SCT Performance – X4 Performance Programmer (Part No.7416)

X4 Performance Programmer

from

$399.99
The X4 Performance Programmer connects high-performance tunes to your vehicle for an immediate boost in horsepower and torque. Awaken your engine to its maximum real potential with preloaded, dyno-proven tune files through the easy-to-use functionality. Instantly increase horsepower and torque and customizeModify a variety of parameters at the touch of a button, all while monitoring gauges on a customizable display.

Product Features:
  • Read vehicle performance data on a full-color LCD display for easy viewing, day or night.
  • Preloaded, street-tested, dyno-proven tunes boost horsepower, torque, and throttle sensitivity.
  • Reads and clears DTC (Diagnostic Trouble Codes) with ease.
  • Load up to 10 custom tune files created by any SCT Custom Tuning Dealer.
  • Full color LCD display
  • High-speed data logging/monitoring
  • Dual analog inputs
  • Most popular vehicles supported
  • Installs quickly and easily
  • Easy restoration back to stock
  • User adjustable vehicle parameters
  • USB Interface cable included
  • Product might not be available in all states due to local laws.
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Accel – Handheld Computer Programmer for Enhanced Performance and Tuning Control (Part No.49505)

Handheld Computer Programmer for Enhanced Performance and Tuning Control

from

$425.99
Revolutionary handheld tuner quickly and easily reprograms your vehicle for more power across the entire rpm range! 50 State Legal!

Product Features:
  • Average gains in excess of 30 HP/40 ft.-lbs. for gas and 80 HP/150 ft.-lbs. diesel*
  • HD 2.8¿ color screen with updated interface for easier and faster modifications
  • HD 2.8┐ color screen with updated interface for easier and faster modifications
  • Increased memory and faster processor for improved tuning plus faster updating
  • Active fuel management control*
  • Performance test (0-60, ╝ mile testing)
  • Performance test (0-60, ¼ mile testing)
  • Internet updating using PC software
  • Tire size adjustment
  • Axle gear ratio adjustment
  • Shift point and firmness adjustment*
  • Speed and rev limiter adjustments*
  • Carb EO # D-745
  • Diagnostic capability ¿ read and clear trouble codes with explanation of codes
  • Diagnostic capability ┐ read and clear trouble codes with explanation of codes
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Hypertech – Max Energy Spectrum Power Programmer for California: Adds up to 131HP, Improves Throttle Response (Part No.3050)

Max Energy Spectrum Power Programmer for California: Adds up to 131HP, Improves Throttle Response

from

$399.99
The Max Energy Spectrum Power Programmer delivers more power-per-dollar than any other bolt-on on the market today. Plus, it installs in less than 15 minutes without using tools or getting your hands dirty. Our award-winning Power Tuning adds maximum horsepower, torque, and performance for any kind of driving for vehicles using regular, premium, E85, as well as diesel fuel. The Max Energy Spectrum also has a larger backlit LCD screen for quick and easy setup and user-friendly navigation for simple installation, tuning, and feature options.

Product Features:
  • Optimized engine tuning
  • Adjustable rev limiter/speed limiter
  • Speedometer correction for multiple tire sizes and gear ration changes
  • Adjustable shift firmness and shift points
  • Throttle adjustments
  • Cooling fan on/off temperatures
  • Return back to factory settings
  • Reads/Displays/Clears Diagnostic Trouble Codes (DTC’s)
  • Internet updateable
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Most Popular Computer Chip Programmer for 2004 Hummer H2s

Enhance your 2004 Hummer H2 with this popular Computer Chip Programmer we have in stock, for $399.99.

SCT Performance – X4 Performance Programmer (Part No.7416)

X4 Performance Programmer

from

$399.99
The X4 Performance Programmer connects high-performance tunes to your vehicle for an immediate boost in horsepower and torque. Awaken your engine to its maximum real potential with preloaded, dyno-proven tune files through the easy-to-use functionality. Instantly increase horsepower and torque and customizeModify a variety of parameters at the touch of a button, all while monitoring gauges on a customizable display.

Product Features:
  • Read vehicle performance data on a full-color LCD display for easy viewing, day or night.
  • Preloaded, street-tested, dyno-proven tunes boost horsepower, torque, and throttle sensitivity.
  • Reads and clears DTC (Diagnostic Trouble Codes) with ease.
  • Load up to 10 custom tune files created by any SCT Custom Tuning Dealer.
  • Full color LCD display
  • High-speed data logging/monitoring
  • Dual analog inputs
  • Most popular vehicles supported
  • Installs quickly and easily
  • Easy restoration back to stock
  • User adjustable vehicle parameters
  • USB Interface cable included
  • Product might not be available in all states due to local laws.
See More

FAQs for 2004 Hummer H2 Programmers

What’s the price range for 2004 Hummer H2 Programmers?

We currently have just one Programmers for the 2004 Hummer H2 in stock: X4 Performance Programmer and it costs $399.99.

Does Advance Auto Parts sell Programmers for other Hummer H2 model years?

Yes, we carry Programmers for 4 model years of Hummer H2s between 2005 and 2009. The following model years are the most popular for Programmer purchases: 2009, 2008, 2007, 2006, and 2005.

What types of Programmers do you sell for my 2004 Hummer H2?

We currently have just 1 Programmer in stock for a 2004 Hummer H2, and as of 11/2/25, it is a Computer Chip Programmer.

Can I get help with 2004 Hummer H2 Programmer orders?

Contact our customer support team by chat or phone, through the help desk page, where you can find instant answers about Hummer Programmers and more.

What is your return policy for Hummer H2 Programmers?

Advance Auto Parts keeps returns simple. For new Hummer H2 Programmers and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.