BMS-F041
BMS_f041_SW_Liquid_Detected
Also written as BMS_F041 / BMS F041 / BMS_f041_SW_Liquid_Detected / bms_f041_sw_liquid_detected
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 BMS-F041 mean?
Tesla fault code in the Battery Management System (BMS) module. This alert indicates there is a certain amount of liquid near or on a sensor. No further action is required. This alert is not relevant and can be safely ignored on Model S / X vehicles because they do not have the liquid sensor.
Original Description
This alert indicates there is a certain amount of liquid near or on a sensor. No further action is required. This alert is not relevant and can be safely ignored on Model S / X vehicles because they do not have the liquid sensor.
Affected Tesla Models
What You May Notice
- Alert appears on Model 3 or Model Y (not relevant on S/X)
- Vehicle may show reduced charging availability
- No physical symptoms may be noticeable
How to Diagnose and Resolve
- 1 If you own a Model S or Model X, this alert can be safely disregarded — those vehicles do not have the liquid sensor
- 2 For Model 3/Y owners, inspect the battery underbody for visible water intrusion or pooling
- 3 Avoid driving through deep water or flooded roads
- 4 Schedule a Tesla Service appointment if alert persists
- 5 Technician will check liquid sensor readings and battery seal integrity
Severity Notes
BMS-F041 is classified as a Fault, indicating a critical issue in the Battery Management System system. Do not continue driving and contact Tesla Service immediately.