Is EPB_W017 the same as EPB-W017?

Yes. EPB_W017, EPB W017, and EPB-W017 are alternate spellings of the same Tesla alert code. Also written as: EPB-W017, EPB_W017, EPB W017, EPB_w017_leftNHalfBridge, epb_w017_leftnhalfbridge.

What symptoms can EPB-W017 cause?

Electronic Parking Brake alert: The half bridge diagnostic fault line latches for more than 10ms on the negative lead of the left motor. Related vehicle feature may be reduced or unavailable Alert visible in the Tesla app: The half bridge diagnostic fault line latches for more than 10ms on the negative

What should I check for EPB-W017?

1. Reboot the vehicle by holding both scroll wheels for 10 seconds 2. Check for pending OTA software updates in Controls > Software 3. If the alert persists, schedule a Tesla Service appointment 4. Describe the alert code and any symptoms when booking service

Is it safe to drive with EPB-W017?

🟡 Check the vehicle display for drive or charge restrictions and schedule service promptly.

TESLA Warning

EPB-W017

EPB_w017_leftNHalfBridge

Also written as EPB_W017 / EPB W017 / EPB_w017_leftNHalfBridge / epb_w017_leftnhalfbridge

System

EPB

Electronic Parking Brake

Type

Warning

Why does the exact Tesla alert ID matter?

Record the exact alert ID, including underscores, suffixes, and companion alerts. Tesla alerts that look similar can point to different modules, timestamps, and service procedures.

What does EPB-W017 mean?

Tesla warning code in the Electronic Parking Brake (EPB) module. The half bridge diagnostic fault line latches for more than 10ms on the negative lead of the left motor.

Original Description

The half bridge diagnostic fault line latches for more than 10ms on the negative lead of the left motor.

Affected Tesla Models

Model SModel XModel 3Model Y

What You May Notice

Electronic Parking Brake alert: The half bridge diagnostic fault line latches for more than 10ms on the negative lead of the left motor.
Related vehicle feature may be reduced or unavailable
Alert visible in the Tesla app: The half bridge diagnostic fault line latches for more than 10ms on the negative

How to Diagnose and Resolve

1 Reboot the vehicle by holding both scroll wheels for 10 seconds
2 Check for pending OTA software updates in Controls > Software
3 If the alert persists, schedule a Tesla Service appointment
4 Describe the alert code and any symptoms when booking service

Severity Notes

EPB-W017 is a Warning in the Electronic Parking Brake system. Schedule service soon. Monitor your vehicle for additional warnings.

Other EPB Codes

EPB_f123 EPB_f124 EPB_1_1 Tesla unknown code in the Electronic Parking Brake (EPB) mod... EPB_u003 Tesla unknown code in the Electronic Parking Brake (EPB) mod... EPB_u004 Tesla unknown code in the Electronic Parking Brake (EPB) mod... EPB_u008 EPB_u009 Tesla unknown code in the Electronic Parking Brake (EPB) mod... EPB_u010 Tesla unknown code in the Electronic Parking Brake (EPB) mod...

View all EPB codes →