Tesla HVP (High Voltage Processor) Alerts Clear Guide

High Voltage Processor controls the HV Components and Pyro Fuse.

Where is located?

under rear passenger seats.

 

Common Alert Codes

Here are some of the most common alert codes

HVP_w021

  • HVP_w021_PyroMiaFault

HVP_w026

  • HVP_w026_HvilFault

HVP_w028

  • HVP_w028_PackVoltMismatchFault

HVP_a038, HVP_w038

  • HVP_a038_CpilFault
  • HVP_w038_CpilFault
  • The High Voltage Processor (HVP) has detected the Charge Port HV Interlock Loop (CPIL) has a condition affecting functionality

You may get this alert together with BMS_a036, BMS_a063

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Disclaimer: Tesla, Inc. was not involved in the creation of this document. Tesla did not provide us any info. Tesla did not edit, review or authorize us. We gather this information from Tesla official website and other resources.

Note: It is your responsibility to double check and confirm that the procedures/info mentioned in this blog are applicable to your specific car before performing them. Please contact us or our workshop partner to make sure/confirm. We will be happy to help you.