Texas Speed & DiabloSport DOD Delete Programmer – 2019–2021 GM Trucks

The Texas Speed & DiabloSport DOD Delete Programmer is the perfect solution for removing Active Fuel Management (AFM) or Displacement on Demand (DOD) in 2019–2021 GM gas trucks. Built for reliability and ease of use, this programmer is ideal for customers who have installed a DOD delete hardware kit and want to maintain factory-like drivability.

By disabling DOD/AFM, you'll help prevent common lifter failures, reduce oil consumption issues, and eliminate cylinder deactivation while restoring full-time V8 performance.

⚠️ IMPORTANT COMPATIBILITY NOTE: If the 12th character of your VIN is 5 or higher, this tuner will NOT work with your vehicle.

Key Features

Disables AFM/DOD for consistent V8 operation
Plug-and-play setup – no tuning experience needed
Safe for stock-style camshafts – not designed for aftermarket cams
Compatible with DOD delete hardware kits

Important Notes

This device only disables AFM/DOD – it does not support custom tuning
Not intended for aftermarket camshafts
Verify VIN compatibility before purchasing

Vehicle Fitment

2019–2021 GM Gas Trucks Only

If you're performing a DOD delete and need a simple, effective tuning solution to match, the Texas Speed & DiabloSport DOD Delete Programmer gets the job done quickly, cleanly, and safely.

Note: This programmer is intended for use with DOD delete hardware and stock-style camshaft applications only.