๐ VXDAS EL-50448 TPMS Relearn Tool for GM Vehicles
๐ Product Overview
This product is a TPMS (Tire Pressure Monitoring System) sensor relearn and activation tool designed Only for GM vehicles (2006-2023) using 315/433 MHz OEM TPMS sensors. It is compatible with Buick, Chevy, Cadillac, GMC, and Opel models. The tool requires a 9V battery (not included). It is not compatible with heavy trucks with >4 tires or vehicles using external TPMS systems.
๐ Key Features
- Compatibility: Works with 315/433 MHz OEM TPMS sensors.
- Battery: Use a brand-new 9V battery (not included).
- Positioning: Keep the antenna at the correct angle by the valve stem.
- Environment: Perform relearn outside for better signal

๐ Usage Instructions
- Insert a new 9V battery.
- Enter TPMS Learn Mode (horn beeps twice).
- Hold the antenna at the valve stem of the left front tire, then press & release the power button.
- Repeat for LF, RF, RR, LR.
- Double horn beep indicates relearn finished.
๐ Benefits
- Time-saving: Resets sensors in 1-2 minutes.
- Easy use: Ideal for rotation, tire/sensor replacement, or seasonal changes.
- Accuracy: High-sensitivity chipset + ENIG PCB for stable signaling.
- Safety: Restores accurate tire pressure monitoring to prevent under-inflation risks.
๐ Note
- This product is not a TPMS sensor programming tool.
- The vehicle must be placed into TPMS relearn mode before use.
- The product does not include a 9V battery. Please prepare a new 9V battery before use.
- Before purchasing, please confirm that your vehicle brand, model, and year are within the compatible range.







