PCS-A090
PCS_a090_expectedAcVoltageSourceMissing
What does PCS-A090 mean?
Tesla alert code in the Power Conversion System (PCS) module. PCS detects one or more power converter expected AC voltage sources are missing, possibly due to bad utility wiring or vehicle HV harness connection Charger detects that one or more expected AC voltage sources is missing, possibly due to bad external wiring Charger state machine retries or charge cable is cycled
Original Description
PCS detects one or more power converter expected AC voltage sources are missing, possibly due to bad utility wiring or vehicle HV harness connection Charger detects that one or more expected AC voltage sources is missing, possibly due to bad external wiring Charger state machine retries or charge cable is cycled
Severity Notes
PCS-A090 is an Alert in the Power Conversion System system. It is generally safe to continue driving, but have it checked at your next scheduled service.