TESLA Fault
CHG_f091
CHG_f091_proximityRationality
What does CHG_f091 mean?
Tesla fault code in the Charger (CHG) module. This alert indicates the primary charger has measured a value outside of the normal ranges.
Original Description
This alert indicates the primary charger has measured a value outside of the normal ranges.
Severity Notes
CHG_f091 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 → Tesla alert codes sourced from the community-maintained Tesla Alerts Dictionary. This information is for educational purposes only. Always consult Tesla Service for official diagnosis and repairs.