TESLA Warning
PARK_w040
PARK_w040_ECUSupplyLow
What does PARK_w040 mean?
Tesla warning code in the Parking Assist (PARK) module. The voltage to the PARK Electronic Control Unit (ECU) is too low.
Original Description
The voltage to the PARK Electronic Control Unit (ECU) is too low.
Severity Notes
PARK_w040 is a Warning in the Parking Assist system. Schedule service soon. Monitor your vehicle for additional warnings.
Other PARK Codes
View all PARK 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.