VCFRONT-A249
VCFRONT_a249_coolantValveBadMode
Also written as VCFRONT_A249 / VCFRONT A249 / VCFRONT_a249_coolantValveBadMode / vcfront_a249_coolantvalvebadmode
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-A249 mean?
Tesla alert code in the Vehicle Controller Front (VCFRONT) module. The coolant valve actuator is clocked incorrectly on the valve. Re-install the coolant valve. Powertrain performance may be limited. Powertrain thermal performance indicates the 5-way valve is installed incorrectly. Powertrain thermal performance no longer indicates the 5-way valve is installed incorrectly.
Original Description
The coolant valve actuator is clocked incorrectly on the valve. Re-install the coolant valve. Powertrain performance may be limited. Powertrain thermal performance indicates the 5-way valve is installed incorrectly. Powertrain thermal performance no longer indicates the 5-way valve is installed incorrectly.
Affected Tesla Models
What You May Notice
- Vehicle Controller Front alert: The coolant valve actuator is clocked incorrectly on the valve. Re-install the coolant valve. Powertrain performance may
- 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-A249 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.