HVP-W039
HVP_w039_PackContactorFellOpen
Also written as HVP_W039 / HVP W039 / HVP_w039_PackContactorFellOpen / hvp_w039_packcontactorfellopen
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-W039 mean?
Tesla warning code in the High Voltage Protection (HVP) module. Warn if a pack contactor falls open during closed state Warns if the ENS line is not connected to HVC The ENS line is not connected to HVC ENS idle signal is detected on ENS line The crash signal may not be detected by HVP
Original Description
Warn if a pack contactor falls open during closed state Warns if the ENS line is not connected to HVC The ENS line is not connected to HVC ENS idle signal is detected on ENS line The crash signal may not be detected by HVP
Affected Tesla Models
What You May Notice
- High Voltage Protection alert: Warn if a pack contactor falls open during closed state Warns if the ENS line is not connected to HVC The ENS line is no
- Related vehicle feature may be reduced or unavailable
- Alert visible in the Tesla app: Warn if a pack contactor falls open during closed state Warns if the ENS line is
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
HVP-W039 is a Warning in the High Voltage Protection system. Schedule service soon. Monitor your vehicle for additional warnings.