VCFRONT-A010
VCFRONT_a010_ExtSupplyVoltError
Also written as VCFRONT_A010 / VCFRONT A010 / VCFRONT_a010_ExtSupplyVoltError / vcfront_a010_extsupplyvolterror
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 VCFRONT-A010 mean?
Tesla alert code in the Vehicle Controller Front (VCFRONT) module. The external 12V supply voltage from the vehicle is out of range. The coolant pump's RPM feedback is less than 800 RPM, given a non-zero flow request, either intermittently or continually, for at least 10.5 seconds. The secondary power steering eFuse current average current value over the last second was > 100A. 100A average eFuse current within last second.
Original Description
The external 12V supply voltage from the vehicle is out of range. The coolant pump's RPM feedback is less than 800 RPM, given a non-zero flow request, either intermittently or continually, for at least 10.5 seconds. The secondary power steering eFuse current average current value over the last second was > 100A. 100A average eFuse current within last second.
Affected Tesla Models
What You May Notice
- Vehicle Controller Front alert: The external 12V supply voltage from the vehicle is out of range. The coolant pump's RPM feedback is less than 800 RPM,
- Some features (climate, lights, or charging) may be temporarily unavailable
- Alert notification in the Tesla app
How to Diagnose and Resolve
- 1 Perform a soft reboot (hold both scroll wheels)
- 2 Check for pending OTA software updates in Controls > Software
- 3 If multiple features remain non-functional, schedule a service appointment
Severity Notes
VCFRONT-A010 is an Alert in the Vehicle Controller Front system. Confirm the vehicle screen and Tesla app show no driving or charging restrictions, and schedule service if the alert returns.