TPMS Sensor Reset Tool for GM – EL-50448 Tire Pressure Monitor Activation Tool

Relearn & Reset Tire Sensors in Minutes — Right From Your Garage

Enjoy full control of your vehicle maintenance with the EL-50448 TPMS Relearn Tool. This compact, easy-to-use device allows GM vehicle owners to quickly activate and reset tire pressure sensors, ensuring accurate readings and a smoother, safer drive.
Compatible with most GM-series cars, SUVs, and pickups (2006–2024).

Why Drivers Choose This TPMS Relearn Tool

• Quick Sensor Relearn – Reprogram all four sensors in 1–2 minutes, anytime you change or rotate tires.

• Accurate Pressure Monitoring – Keep your tire data reliable for better handling and efficiency.

• Simple One-Button Operation – Activate each sensor easily, with clear sound feedback from your vehicle.

• Broad Compatibility – Works with GM-series vehicles using 315 MHz or 433 MHz sensors (Chevy, Buick, GMC, Opel, Cadillac).

• Built for Durability – High-quality ABS body ensures dependable performance for long-term use.

Key Features

• Hardware Version: OEC-T5

• Software Version: EL-50448

• Power: 9V 6LR61 Battery (not included)

• Dimensions: 5.9 × 2.36 × 1.18 in | Weight: 3.8 oz

• Frequency: 315 MHz / 433 MHz

• Compatible with: Cars, SUVs, Pickups (not heavy trucks)

Ideal For

• Car owners who prefer simple, at-home sensor calibration.

• Workshops and small fleets ensuring sensors remain properly synced.

• Tire service professionals looking for a reliable, portable TPMS reset tool.

How To Use

Step 1 – Enter Learning Mode
Put the vehicle in “P”, turn ignition ON, access tire pressure display, press “Set/Ctrl” until horn beeps twice.

Step 2 – Activate Sensors
Start with the front-left tire. Hold the tool near the valve stem and press the button until the horn beeps once.

Step 3 – Complete Sequence
Repeat for the remaining tires in order: front-right → rear-right → rear-left.
Two beeps confirm successful relearn.

Package Includes

• 1 × EL-50448 TPMS Relearn Tool

• User Manual
  (Battery not included)

Care Tips

• Use a 9V 6LR61 battery for best results.

• Adjust position near valve if no signal is detected.

• Remove the battery when storing long-term.