VCFRONT-A460
VCFRONT_a460_hardIsentropicTdFailed
Also written as VCFRONT_A460 / VCFRONT A460 / VCFRONT_a460_hardIsentropicTdFailed / vcfront_a460_hardisentropictdfailed
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-A460 mean?
Tesla alert code in the Vehicle Controller Front (VCFRONT) module. The compressor mass flow rate may be compromised This alert is set when expected mass flow rate of the compressor is below expected levels Thermal performance is degraded, and PT sensor models may be corrupt
Original Description
The compressor mass flow rate may be compromised This alert is set when expected mass flow rate of the compressor is below expected levels Thermal performance is degraded, and PT sensor models may be corrupt
Affected Tesla Models
What You May Notice
- Vehicle Controller Front alert: The compressor mass flow rate may be compromised This alert is set when expected mass flow rate of the compressor is bel
- 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-A460 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.