TESLA Warning

CHG_w118

CHG_w118_VDiffHwRationality

System
CHG
Charger
Type
Warning
Category
Charging
Severity
Warning

What does CHG_w118 mean?

Tesla warning code in the Charger (CHG) module. The Voltage Differential rationality check fails possibly due to a failed isolator between phases or a failed signal line for the voltage differential. This alert can affect the ability to supercharge when aligned with the alert BMS_A096_FC_NO_VOLT_MATCH. This alert does not seem to affect AC charging. It can be present when the contactors are closed or opened.

Original Description

The Voltage Differential rationality check fails possibly due to a failed isolator between phases or a failed signal line for the voltage differential. This alert can affect the ability to supercharge when aligned with the alert BMS_A096_FC_NO_VOLT_MATCH. This alert does not seem to affect AC charging. It can be present when the contactors are closed or opened.

Severity Notes

CHG_w118 is a Warning in the Charger system. Schedule service soon. Monitor your vehicle for additional warnings.

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.