IDB_a127_brakeFluidLevelInvalid

Brake fluid level signal measured by the Integrated Dynamic Brake (IDB) is invalid.

Live incidence rate

<0.01% (Extremely rare)

Vehicle messages

Brake fluid level sensor service required
Schedule service

Impact

Brake Traction Control (BTC), Vehicle Dynamics Control (VDC), Controlled Deceleration via Parking brake (CDP), Brake Disc Wipe (BDW), and External Brake Request (EBR) may be unavailable. The IDB may be unable to monitor brake fluid level. The vehicle should be driven with extreme caution.

Description

Brake fluid level signal measured by the Integrated Dynamic Brake (IDB) is invalid.

Cause

The brake fluid level sensor (IDB connector pins 20, 38) is detected to be disconnected for over 5 seconds.

Clear condition

THe Integrated Dynamic Brake (IDB) receives a normal bake fluid level signal for over 5 seconds.

Models

Model Y 2025+

Visibility

customer, service-fix

Want to track your firmware alerts, trips and more?

Sign up for Tessie. Try it free for 14 days. Happiness guaranteed.