PCS-A013
PCS_a013_chgPrechargeFailedBoost
Also written as PCS_A013 / PCS A013 / PCS_a013_chgPrechargeFailedBoost / pcs_a013_chgprechargefailedboost
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-A013 mean?
Tesla alert code in the Power Conversion System (PCS) module. Charger failed to precharge the intermediate bus during boost precharge Boost precharge portion of charger phase startup sequence failed Current measurement changed too much between switching cycles (only active in phase A) Charger AC input current changed too much between switching cycles
Original Description
Charger failed to precharge the intermediate bus during boost precharge Boost precharge portion of charger phase startup sequence failed Current measurement changed too much between switching cycles (only active in phase A) Charger AC input current changed too much between switching cycles
Affected Tesla Models
What You May Notice
- Power Conversion System alert: Charger failed to precharge the intermediate bus during boost precharge Boost precharge portion of charger phase startup
- 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-A013 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.