Range Technology AFM Disabler RA003 – Fits GM V6/V8 Vehicles | Plug & Play OBD-II Module | Silverado Sierra Tahoe Suburban

Range Technology AFM Disabler RA003 – Plug & Play for GM V6/V8

This AFM disabler module by Range Technology instantly disables Active Fuel Management (AFM) on GM vehicles equipped with V6 or V8 engines. Simply plug it into your OBD-II port and enjoy full-time power without cylinder deactivation.

Key Benefits

• Eliminates AFM shuddering and cylinder dropouts
• Improves throttle response and exhaust tone
• Plug & play – no tools or programming required
• Safe and reversible – unplug to restore factory settings
• Ideal for towing, off-road, and heavy load conditions

Fitment Compatibility

Compatible with GM vehicles equipped with AFM (Active Fuel Management) systems:

• Chevrolet Silverado / Suburban / Tahoe / Avalanche (2007–2020)
• GMC Sierra / Yukon / Yukon XL / Denali (2007–2020)
• Cadillac Escalade / CTS / XT5 / XTS / SRX (2004–2019)
• Buick Enclave / LaCrosse / Rainier / Regal GS (2005–2018)
• Pontiac G8 / Grand Prix (2005–2010)
• Pontiac Torrent / Montana – select V6/V8 models with AFM
• Saturn Outlook / Aura XR – equipped with 3.6L AFM V6
• Hummer H2 – 6.0L/6.2L V8 with AFM; H3 – only 5.3L V8 supports AFM
• Isuzu Ascender – 5.3L V8 models with AFM

What's Included

• 1 x Range Technology AFM Disabler RA003
• Quick-start guide

Notes

• Only use if valvetrain is in good condition
• Unplug to revert to factory AFM settings
• Not a tuning device – does not alter ECU programming

Why Disable AFM?

AFM systems deactivate cylinders to improve fuel economy, but often cause vibration, oil consumption, and reduced performance. This disabler keeps all cylinders active for smoother driving and better power delivery.