Is CHG_F041 the same as CHG-F041?

Yes. CHG_F041, CHG F041, and CHG-F041 are alternate spellings of the same Tesla alert code. Also written as: CHG-F041, CHG_F041, CHG F041, CHG_f041_lostCommsBMS, chg_f041_lostcommsbms.

What symptoms can CHG-F041 cause?

Charger alert: The charger is no longer receiving controller area network (CAN) traffic from the high votlage (HV) battery. Vehicle shows charging error immediately after plugging in Charge port light stays red or does not respond

What should I check for CHG-F041?

1. Try a different outlet or charging cable 2. Check if your circuit breaker has tripped 3. Reboot the vehicle and attempt to charge again 4. Schedule a Tesla Service appointment — the on-board charger may need replacement

Is it safe to drive with CHG-F041?

🔴 Do NOT drive. Stop safely and call for roadside assistance immediately.

TESLA Fault

CHG-F041

CHG_f041_lostCommsBMS

Also written as CHG_F041 / CHG F041 / CHG_f041_lostCommsBMS / chg_f041_lostcommsbms

System

CHG

Charger

Type

Fault

Why does the exact Tesla alert ID matter?

Record the exact alert ID, including underscores, suffixes, and companion alerts. Tesla alerts that look similar can point to different modules, timestamps, and service procedures.

What does CHG-F041 mean?

Tesla fault code in the Charger (CHG) module. The charger is no longer receiving controller area network (CAN) traffic from the high votlage (HV) battery.

Original Description

The charger is no longer receiving controller area network (CAN) traffic from the high votlage (HV) battery.

Affected Tesla Models

Model SModel XModel 3Model YCybertruck

What You May Notice

Charger alert: The charger is no longer receiving controller area network (CAN) traffic from the high votlage (HV) battery.
Vehicle shows charging error immediately after plugging in
Charge port light stays red or does not respond

How to Diagnose and Resolve

1 Try a different outlet or charging cable
2 Check if your circuit breaker has tripped
3 Reboot the vehicle and attempt to charge again
4 Schedule a Tesla Service appointment — the on-board charger may need replacement

Severity Notes

CHG-F041 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

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