VCLEFT-A391
VCLEFT_a391_pitchEstimationImplausible
Also written as VCLEFT_A391 / VCLEFT A391 / VCLEFT_a391_pitchEstimationImplausible / vcleft_a391_pitchestimationimplausible
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 VCLEFT-A391 mean?
Tesla alert code in the Vehicle Controller Left (VCLEFT) module. Insight on what aspect of pitch estimation was implausible When pitch estimation inputs are physically unlikely/impossible If plausibility checks pass upon next pitch reporting interval Pitch estimation may be implausible and headlamp leveling may be inaccurate
Original Description
Insight on what aspect of pitch estimation was implausible When pitch estimation inputs are physically unlikely/impossible If plausibility checks pass upon next pitch reporting interval Pitch estimation may be implausible and headlamp leveling may be inaccurate
Affected Tesla Models
What You May Notice
- Vehicle Controller Left alert: Insight on what aspect of pitch estimation was implausible When pitch estimation inputs are physically unlikely/impossib
- 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
VCLEFT-A391 is an Alert in the Vehicle Controller Left system. Confirm the vehicle screen and Tesla app show no driving or charging restrictions, and schedule service if the alert returns.