Brake Fluid Level Sensor/Switch: Locations

2010 GMC Terrain AWD V6-3.0LSECTION Locations



Front of Vehicle/Engine Compartment Component Views

Engine Compartment Components (Chevrolet)




1 - B20 Brake Fluid Level Switch
2 - B19B Brake Booster Vacuum Sensor
3 - M75 Windshield Wiper Motor
4 - X50A Fuse Block - Underhood
5 - C1 Battery
6 - G24 Windshield Washer Pump
7 - B55 Hood Ajar Switch (BTV)
8 - P12B Horn - Low Note
9 - P12A Horn - High Note
10 - K17 Electronic Brake Control Module

Engine Compartment Components (GMC)




1 - B20 Brake Fluid Level Switch
2 - B19B Brake Booster Vacuum Sensor
3 - M75 Windshield Wiper Motor
4 - X50A Fuse Block - Underhood
5 - C1 Battery
6 - G24 Windshield Washer Pump
7 - P12B Horn - Low Note
8 - B55 Hood Ajar Switch (BTV)
9 - K17 Electronic Brake Control Module
10 - P12A Horn - High Note
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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.