TESLA Fault
CHG_f103
CHG_f103_lostCommsSlave
What does CHG_f103 mean?
Tesla fault code in the Charger (CHG) module. This alert indicates there is an internal communication malfunction between the charger's vehicle interface processor and the secondary charger.
Original Description
This alert indicates there is an internal communication malfunction between the charger's vehicle interface processor and the secondary charger.
Severity Notes
CHG_f103 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.