Buick Chevrolet Aveo Gearbox Range Sensor Switch 93741830 84540-80A020

Buick Chevrolet Aveo gear selector switch 93741830 and 84540-80A020 with engineering plastic housing and copper alloy contacts, improved internal sealing to resist oil and moisture. Compatible with Buick Excelle, Verano, and Chevrolet Aveo, etc., transmitting gear signals to the transmission control unit to ensure accurate shifting logic. Installation requires removing the battery tray and transmission side cover. Recommended for technicians familiar with the GM 6-speed automatic transmission to fix dashboard gear display errors or starting lock issues.