PCS-A012
PCS_a012_chgPfcIBandTracerFault
Also written as PCS_A012 / PCS A012 / PCS_a012_chgPfcIBandTracerFault / pcs_a012_chgpfcibandtracerfault
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-A012 mean?
Tesla alert code in the Power Conversion System (PCS) module. Charger detects input current going out of the software tracking input current tracer band Charger input current detected outside of the expected software tracking input current band
Original Description
Charger detects input current going out of the software tracking input current tracer band Charger input current detected outside of the expected software tracking input current band
Affected Tesla Models
What You May Notice
- Power Conversion System alert: Charger detects input current going out of the software tracking input current tracer band Charger input current detecte
- 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-A012 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.