VCFRONT-A064
VCFRONT_a064_busSleepReqTimeout
Also written as VCFRONT_A064 / VCFRONT A064 / VCFRONT_a064_busSleepReqTimeout / vcfront_a064_bussleepreqtimeout
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-A064 mean?
Tesla alert code in the Vehicle Controller Front (VCFRONT) module. The 12V battery voltage reached the 12.2V voltage floor before the Ah count floor of -2.25Ah.
Original Description
The 12V battery voltage reached the 12.2V voltage floor before the Ah count floor of -2.25Ah.
Affected Tesla Models
What You May Notice
- Vehicle Controller Front alert: The 12V battery voltage reached the 12.2V voltage floor before the Ah count floor of -2.25Ah.
- 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-A064 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.