PCS-A071
PCS_a071_chgPfcILoopRationality
Also written as PCS_A071 / PCS A071 / PCS_a071_chgPfcILoopRationality / pcs_a071_chgpfcilooprationality
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-A071 mean?
Tesla alert code in the Power Conversion System (PCS) module. Charger phase detected the accumulated difference between estimated current and measured current is too high (only active in phase A) Charger phase detected the accumulated difference between estimated current and measured current is too high Charger detects that control law accelerator is not running Charger detects that control law accelerator is running
Original Description
Charger phase detected the accumulated difference between estimated current and measured current is too high (only active in phase A) Charger phase detected the accumulated difference between estimated current and measured current is too high Charger detects that control law accelerator is not running Charger detects that control law accelerator is running
Affected Tesla Models
What You May Notice
- Power Conversion System alert: Charger phase detected the accumulated difference between estimated current and measured current is too high (only activ
- 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-A071 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.