PCS-A105
PCS_a105_redundantVoltageSourceIrrational
Also written as PCS_A105 / PCS A105 / PCS_a105_redundantVoltageSourceIrrational / pcs_a105_redundantvoltagesourceirrational
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 PCS-A105 mean?
Tesla alert code in the Power Conversion System (PCS) module. A redundant voltage sensor is broken or irrational. Used for single phase hardware variants only
Original Description
A redundant voltage sensor is broken or irrational. Used for single phase hardware variants only
Affected Tesla Models
What You May Notice
- Power Conversion System alert: A redundant voltage sensor is broken or irrational. Used for single phase hardware variants only
- DC-DC converter issue may affect 12V system (lights, accessories)
- Alert shown in the Tesla app
How to Diagnose and Resolve
- 1 Reboot the vehicle
- 2 Check if 12V accessories (lights, door handles) are behaving normally
- 3 Schedule a Tesla Service appointment for PCS inspection
Severity Notes
PCS-A105 is an Alert in the Power Conversion System system. Confirm the vehicle screen and Tesla app show no driving or charging restrictions, and schedule service if the alert returns.