TESLA Warning

HVP-W029

HVP_w029_EnsMiaFault

Also written as HVP_W029 / HVP W029 / HVP_w029_EnsMiaFault / hvp_w029_ensmiafault

System
HVP
High Voltage Protection
Type
Warning
Category
Battery
Severity
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 HVP-W029 mean?

Tesla warning code in the High Voltage Protection (HVP) module. Pack contactor state is open

Original Description

Pack contactor state is open

Affected Tesla Models

Model SModel XModel 3Model Y

What You May Notice

  • High Voltage Protection alert: Pack contactor state is open
  • Related vehicle feature may be reduced or unavailable
  • Alert visible in the Tesla app: Pack contactor state is open

How to Diagnose and Resolve

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

Severity Notes

HVP-W029 is a Warning in the High Voltage Protection system. Schedule service soon. Monitor your vehicle for additional warnings.

Other HVP Codes

HVP_a007 Tesla alert code in the High Voltage Protection (HVP) module... HVP_w001 HVP_w002 HVP_w003 HVP_w005 HVP_w006 Tesla warning code in the High Voltage Protection (HVP) modu... HVP_w007 HVP_w008
View all HVP codes →