




TPMS Activation Tool for GM Vehicles – EL-50448 Tire Pressure Sensor Reset Device | Model LGCOT056
TPMS Relearn & Activation Tool – EL-50448 Equivalent for GM Vehicles (Model: LGCOT056)
Restore accurate tire pressure monitoring in minutes with this easy-to-use TPMS activation and reset tool. Designed for GM vehicles with 315 MHz or 433 MHz TPMS systems, this compact device helps you perform sensor relearns after tire rotations, replacements, or ECU updates.
🔧 Key Features:
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✅ Wide Compatibility:
Works with most Chevrolet, GMC, Cadillac, Buick, and other GM vehicles from 2014 and newer (select 2012+ models supported). -
🔁 TPMS Relearn Function:
Quickly resets tire pressure sensors after service, rotation, or new installs. -
📶 Dual Frequency Support:
Supports both 315 MHz and 433 MHz TPMS systems. -
👆 One-Button Simplicity:
Activate sensors with a single press — no complicated setup or tools required. -
🧰 DIY-Ready & Shop-Approved:
Perfect for home mechanics, mobile tire techs, and professional repair shops.
⚠️ Important Note:
Some 2012+ GM models may require additional advanced diagnostic tools for TPMS sensor communication.
📏 Specifications:
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Model: LGCOT056 (EL-50448 Equivalent)
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Compatibility: Most GM vehicles (Chevy, Buick, GMC, Cadillac)
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Frequencies Supported: 315 MHz & 433 MHz
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Power Source: 9V Battery (not included)
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Function: TPMS Activation, Reset, Relearn
🛠️ Ideal For:
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DIY GM Owners
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Tire Technicians
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Auto Shops & Garages
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Mobile Service Fleets