VCRIGHT-A343
VCRIGHT_a343_rearDefrostUndercurrent
Also written as VCRIGHT_A343 / VCRIGHT A343 / VCRIGHT_a343_rearDefrostUndercurrent / vcright_a343_reardefrostundercurrent
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 VCRIGHT-A343 mean?
Tesla alert code in the Vehicle Controller Right (VCRIGHT) module. Rear defrost is drawing less current than expected Rear defrost current is below the expected value The rear defrost heater will be disabled until vehicle sleep
Original Description
Rear defrost is drawing less current than expected Rear defrost current is below the expected value The rear defrost heater will be disabled until vehicle sleep
Affected Tesla Models
What You May Notice
- Vehicle Controller Right alert: Rear defrost is drawing less current than expected Rear defrost current is below the expected value The rear defrost hea
- 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
VCRIGHT-A343 is an Alert in the Vehicle Controller Right system. Confirm the vehicle screen and Tesla app show no driving or charging restrictions, and schedule service if the alert returns.