MyTeslaMate App

Signal Name	Description	Condition	Impact
PCS2_a055_dcdcATankUncalibrated	The pack side DCDC converter (DCDCA) resonant tank has not been fully calibrated.	A tank capacitance or inductance measurement for DCDCA is not recorded in Non-Volatile Memory (NVM)	DCDC operation allowed with default resonant tank parameters, but risk of damaging the converter due to hard switching
PCS2_a054_uiMia	The Power Conversion System (PCS) does not receive one or more Controller Area Network (CAN) messages from the User Interface (UI).	The PCS does not receive all expected CAN messages from the UI	AC Charging may be limited or unavailable.
PCS2_a053_hvDcdcControlMIA	The Power Conversion System (PCS) does not receive one or more Controller Area Network (CAN) messages from the High Voltage Processor (HVP).	The PCS does not receive all expected CAN messages from high voltage processor	AC Charging may be limited or unavailable.
PCS2_a052_cpMia	The Power Conversion System (PCS) does not receive one or more Controller Area Network (CAN) messages from the Charge Port (CP).	The PCS does not receive all expected CAN messages from the CP	AC Charging may be limited or unavailable.
PCS2_a051_bmsMia	The Power Conversion System (PCS) does not receive one or more Controller Area Network (CAN) messages from the Battery Management System (BMS).	The PCS does not receive all expected CAN messages from the BMS	DCDC and AC Charging may be limited or unavailable.
PCS2_a050_vcPcsDCDCInterfaceMia	The Power Conversion System (PCS) does not receive one or more DCDC interface Controller Area Network (CAN) messages from the Vehicle Controller (VC).	The PCS does not receive all expected DCDC interface CAN messages from the VC	DCDC converter will not regulate LV bus voltage to target, LV battery may not charge correctly
PCS2_a049_dcacUnderVoltage	The DCAC high voltage (HV) measurement goes below the allowed voltage threshold.	The DCAC HV voltage goes below the allowed voltage threshold	DCAC functionality may be limited or paused
PCS2_a048_dcacOverVoltage	The DCAC high voltage (HV) measurement goes above the allowed voltage threshold.	The DCAC HV voltage goes above the allowed voltage threshold	DCAC functionality may be limited or paused
PCS2_a047_hvBattBotUnderVoltage	The sensor measuring the bottom half of the high voltage (HV) battery voltage detects a value below the allowed voltage threshold.	The sensor measuring the bottom half of the HV battery voltage goes below the allowed voltage threshold	DCDC functionality may be limited or paused
PCS2_a045_hvBattTopUnderVoltage	The sensor measuring the top half of the high voltage (HV) battery voltage detects a value below the allowed voltage threshold.	The sensor measuring the top half of the HV battery voltage goes below the allowed voltage threshold	DCDC functionality may be limited or paused
PCS2_a043_hvBattUnderVoltage	The high voltage (HV) battery goes below the allowed voltage threshold.	The HV battery voltage goes below the allowed voltage threshold	DCDC functionality may be limited or paused
PCS2_a041_hvBusBotUnderVoltage	The sensor measuring the bottom half of the high voltage (HV) bus voltage detects a value below the allowed voltage threshold.	The sensor measuring the bottom half of the HV bus voltage goes below the allowed voltage threshold	DCDC functionality may be limited or paused
PCS2_a039_hvBusTopUnderVoltage	The sensor measuring the top half of the high voltage (HV) bus voltage detects a value below the allowed voltage threshold.	The sensor measuring the top half of the HV bus voltage goes below the allowed voltage threshold	DCDC functionality may be limited or paused
PCS2_a037_hvBusUnderVoltage	The high voltage (HV) bus goes below the allowed voltage threshold.	The HV bus voltage goes below the allowed voltage threshold	DCDC functionality may be limited or paused
PCS2_a036_hvBusOverVoltage	The high voltage (HV) bus goes above the allowed voltage threshold.	The HV bus voltage goes above the allowed voltage threshold	DCDC functionality may be limited or paused
PCS2_a035_lvBusUnderVoltage	The low voltage (LV) bus goes below the allowed voltage threshold.	The LV bus voltage goes below the allowed voltage threshold	DCDC functionality may be limited or paused
PCS2_a034_lvBusOverVoltage	The low voltage (LV) bus goes above the allowed voltage threshold.	The LV bus voltage goes above the allowed voltage threshold	DCDC functionality may be limited or paused
PCS2_a032_DcacBAc2TempTooHigh	DCAC converter B (DCACB) AC side sensor 2 (AC2) temperature is too high.	DCACB AC2 temperature exceeds the allowed temperature threshold	AC Charging may be limited or unavailable.
PCS2_a031_DcacBAc1TempTooHigh	DCAC converter B (DCACB) AC side sensor 1 (AC1) temperature is too high.	DCACB AC1 temperature exceeds the allowed temperature threshold	AC Charging may be limited or unavailable.
PCS2_a030_DcacAAc2TempTooHigh	DCAC converter A (DCACA) AC side sensor 2 (AC2) temperature is too high.	DCACA AC2 temperature exceeds the allowed temperature threshold	AC Charging may be limited or unavailable.

PCS2_a055_dcdcATankUncalibrated

The pack side DCDC converter (DCDCA) resonant tank has not been fully calibrated.

A tank capacitance or inductance measurement for DCDCA is not recorded in Non-Volatile Memory (NVM)

DCDC operation allowed with default resonant tank parameters, but risk of damaging the converter due to hard switching

PCS2_a054_uiMia

The Power Conversion System (PCS) does not receive one or more Controller Area Network (CAN) messages from the User Interface (UI).

The PCS does not receive all expected CAN messages from the UI

AC Charging may be limited or unavailable.

PCS2_a053_hvDcdcControlMIA

The Power Conversion System (PCS) does not receive one or more Controller Area Network (CAN) messages from the High Voltage Processor (HVP).

The PCS does not receive all expected CAN messages from high voltage processor

AC Charging may be limited or unavailable.

PCS2_a052_cpMia

The Power Conversion System (PCS) does not receive one or more Controller Area Network (CAN) messages from the Charge Port (CP).

The PCS does not receive all expected CAN messages from the CP

AC Charging may be limited or unavailable.

PCS2_a051_bmsMia

The Power Conversion System (PCS) does not receive one or more Controller Area Network (CAN) messages from the Battery Management System (BMS).

The PCS does not receive all expected CAN messages from the BMS

DCDC and AC Charging may be limited or unavailable.

PCS2_a050_vcPcsDCDCInterfaceMia

The Power Conversion System (PCS) does not receive one or more DCDC interface Controller Area Network (CAN) messages from the Vehicle Controller (VC).

The PCS does not receive all expected DCDC interface CAN messages from the VC

DCDC converter will not regulate LV bus voltage to target, LV battery may not charge correctly

PCS2_a049_dcacUnderVoltage

The DCAC high voltage (HV) measurement goes below the allowed voltage threshold.

The DCAC HV voltage goes below the allowed voltage threshold

DCAC functionality may be limited or paused

PCS2_a048_dcacOverVoltage

The DCAC high voltage (HV) measurement goes above the allowed voltage threshold.

The DCAC HV voltage goes above the allowed voltage threshold

DCAC functionality may be limited or paused

PCS2_a047_hvBattBotUnderVoltage

The sensor measuring the bottom half of the high voltage (HV) battery voltage detects a value below the allowed voltage threshold.

The sensor measuring the bottom half of the HV battery voltage goes below the allowed voltage threshold