VCFRONT-A459
VCFRONT_a459_thermalFillAndDrive
Also written as VCFRONT_A459 / VCFRONT A459 / VCFRONT_a459_thermalFillAndDrive / vcfront_a459_thermalfillanddrive
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-A459 mean?
Tesla alert code in the Vehicle Controller Front (VCFRONT) module. The thermal system is currently being filled while the vehicle is in drive The thermal fill drain routine is stopped The voltage on the 12V battery went below the minimum limit 12V Battery Voltage below 10.5V for 5 seconds or 12V Battery Amp Hours below -27Ah for 1 hour. 12V Battery Voltage no longer below 10.5V.
Original Description
The thermal system is currently being filled while the vehicle is in drive The thermal fill drain routine is stopped The voltage on the 12V battery went below the minimum limit 12V Battery Voltage below 10.5V for 5 seconds or 12V Battery Amp Hours below -27Ah for 1 hour. 12V Battery Voltage no longer below 10.5V.
Affected Tesla Models
What You May Notice
- Vehicle Controller Front alert: The thermal system is currently being filled while the vehicle is in drive The thermal fill drain routine is stopped The
- 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-A459 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.