PCS-A107
PCS_a107_vcPcsDCDCInterfaceMia
Also written as PCS_A107 / PCS A107 / PCS_a107_vcPcsDCDCInterfaceMia / pcs_a107_vcpcsdcdcinterfacemia
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-A107 mean?
Tesla alert code in the Power Conversion System (PCS) module. PCS does not receive the PCS VC DCDC interface CAN messages from Charger does not receive all expected DCDC interface CAN messages from vehicle controller PCS recieves all expected DCDC interface CAN messages from vehicle controller DCDC converter does not regulate LV bus voltage to target, LV battery may not charge correctly Charger is unable to meet BMS's requested power Charger is unable to meet BMS's requested power within 1kW for more than thirty seconds Charger is able to meet BMS requested power within 1kW for more than one second
Original Description
PCS does not receive the PCS VC DCDC interface CAN messages from Charger does not receive all expected DCDC interface CAN messages from vehicle controller PCS recieves all expected DCDC interface CAN messages from vehicle controller DCDC converter does not regulate LV bus voltage to target, LV battery may not charge correctly Charger is unable to meet BMS's requested power Charger is unable to meet BMS's requested power within 1kW for more than thirty seconds Charger is able to meet BMS requested power within 1kW for more than one second
Affected Tesla Models
What You May Notice
- Power Conversion System alert: PCS does not receive the PCS VC DCDC interface CAN messages from Charger does not receive all expected DCDC interface CA
- 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-A107 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.