TESLA Fault
CHG-F020
CHG_f020_hwHVIL
What does CHG-F020 mean?
Tesla fault code in the Charger (CHG) module. There is resistance in the high voltage interlock loop (HVIL) due to the presence of a steady state, intermittent, or temperature issue.
Original Description
There is resistance in the high voltage interlock loop (HVIL) due to the presence of a steady state, intermittent, or temperature issue.
Severity Notes
CHG-F020 is classified as a Fault, indicating a critical issue in the Charger system. Do not continue driving and contact Tesla Service immediately.
Other CHG Codes
CHG_d001 The alert indicates a potential internal hardware issue with... CHG_d011 CHG_f001 The charger reports a fault at the buck stage due to a detec... CHG_f002 This alert indicates the charger boost voltage is not at the... CHG_f009 The charger's Complex Programmable Logic Device (CPLD) has d... CHG_f010 This alert is set when the charger's Complex Programmable Lo... CHG_f011 The charging hardware detected that the input voltage was to... CHG_f012 The Fast Charger (FC) contactor drive circuit has shorted to...
View all CHG codes →