EPB-W016
EPB_w016_leftPHalfBridge
Also written as EPB_W016 / EPB W016 / EPB_w016_leftPHalfBridge / epb_w016_leftphalfbridge
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-W016 mean?
Tesla warning code in the Electronic Parking Brake (EPB) module. The half bridge diagnostic fault line latches for more than 10ms on the positive lead of the left motor. This alert indicates an over-temperature condition from the left positive half bridge. This alert is expected when the vehicle is parked on very high slopes. If this is the case, no further action is required. However, if this alert is seen while parking on normal slopes, this likely indicates a problem with the electronic control unit (ECU).
Original Description
The half bridge diagnostic fault line latches for more than 10ms on the positive lead of the left motor. This alert indicates an over-temperature condition from the left positive half bridge. This alert is expected when the vehicle is parked on very high slopes. If this is the case, no further action is required. However, if this alert is seen while parking on normal slopes, this likely indicates a problem with the electronic control unit (ECU).
Affected Tesla Models
What You May Notice
- Electronic Parking Brake alert: The half bridge diagnostic fault line latches for more than 10ms on the positive lead of the left motor. This alert indi
- 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 positive
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-W016 is a Warning in the Electronic Parking Brake system. Schedule service soon. Monitor your vehicle for additional warnings.