VCFRONT-A258
VCFRONT_a258_resistanceEstimationRun
Also written as VCFRONT_A258 / VCFRONT A258 / VCFRONT_a258_resistanceEstimationRun / vcfront_a258_resistanceestimationrun
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-A258 mean?
Tesla alert code in the Vehicle Controller Front (VCFRONT) module. The test to capture the load current, battery temperature, voltage dip, pass/fail criteria. The Intelligent Battery Sensor is failing to communicate. Loss of SPI communication to the chip. SPI communication resumed to the chip. Vehicle will not sleep, the 12V battery could be mistreated (overcharge/undercharge).
Original Description
The test to capture the load current, battery temperature, voltage dip, pass/fail criteria. The Intelligent Battery Sensor is failing to communicate. Loss of SPI communication to the chip. SPI communication resumed to the chip. Vehicle will not sleep, the 12V battery could be mistreated (overcharge/undercharge).
Affected Tesla Models
What You May Notice
- Vehicle Controller Front alert: The test to capture the load current, battery temperature, voltage dip, pass/fail criteria. The Intelligent Battery Sens
- 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-A258 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.