
VEHICLE FITMENT CHECK
Check Vehicle Fitment Before Ordering
Select your vehicle make, model, year, and engine to review available fitment information and suitable WishWeaver device options. Compatibility may vary by engine, model year, and factory system configuration. Please confirm fitment before placing an order.
Built For Simple AFM/DFM Management
A plug-and-play OBD device designed for select compatible vehicles.
Easy OBD-II Connection
Plug the device into the vehicle’s OBD-II port. No tools or ECU flashing required.
Works While Connected
Designed to help manage AFM/DFM cylinder deactivation activity while the device remains connected.
Reversible Setup
No permanent ECU programming or software modification is required during installation.
Verify Before Purchase
Compatibility depends on year, model, engine, and factory system configuration.
Check Your Vehicle Compatibility Before Ordering
Select your GM vehicle model, year and engine to confirm fitment before purchase.
Chevrolet Silverado
Silverado 1500 AFM/DFM Applications
Compatible with select 5.3L and 6.2L V8 engines. Check year and engine before ordering.
GMC Sierra
Sierra 1500 AFM/DFM Applications
Designed for select V6/V8 equipped Sierra models. Verify compatibility before purchase.
More GM Vehicles
Tahoe, Yukon, Escalade and other applications
Find additional compatible GM vehicles and engine configurations.
Simple OBD-II Installation
Plug in the device, keep it connected, and drive as usual.
Step 1
Locate Your OBD-II Port
Step 2
Plug In The Device
Step 3
Drive As Usual
What You Can Expect
AFM/DFM Activity Management
Designed to help manage AFM/DFM cylinder deactivation activity while connected.
Works While Installed
The device is intended to operate while plugged into the vehicle’s OBD-II port.
No Permanent Changes
No ECU flashing, tuning, or permanent software programming is required for installation.
Simple Daily Use
Compact plug-in design for straightforward setup and everyday vehicle use.
Common Questions Before Ordering
Product details, fitment guidance, and ordering information.
Simple AFM/DFM Activity Management
A plug-and-play OBD-II device for select vehicles equipped with compatible AFM or DFM systems. Please check your vehicle fitment before ordering.
- Plug-In OBD-II Setup
- No ECU Flashing
- No Permanent Programming
- Fitment Check Available