MyTeslaMate App

Signal Name	Description	Condition	Impact
PCS_a076_dcdcEnDeassertedErr	DCDC PWM enable hardline de-asserted while DCDC was commanded to be active.	DCDC converter detected that enable line was de-asserted unexpectedly	Inability to precharge HV bus, inability to support 12V system, inability to drive
PCS_a075_hvBusDischargeTimeout	PCS DCDC timed out when attempting to discharge HV bus.	DCDC converter timed out when attempting to discharge HV bus	Inability to perform vehicle precharge, CHAdeMO and GB DC compatibility may be impacted
PCS_a074_hvBusDischargeFailure	PCS DCDC failed to discharge HV bus.	DCDC converter was unable to discharge HV bus when commanded to	Inability to perform vehicle precharge, CHAdeMO and GB DC compatibility may be impacted
PCS_a073_unexpectedAcInputVoltage	AC voltage is present when not expected (indicates a bad charge cable / EVSE).	Charger detects AC input voltage when not requested for more than five seconds	Inability to AC charge
PCS_a072_cpu2ClaStopped	CPU2 CLA is not running.	Charger detects that control law accelerator is not running	Inability to AC charge
PCS_a071_chgPfcILoopRationality	The onboard charger detects the accumulated difference between estimated current and measured current is too large, reducing AC charge rate or making AC charging unavailable.	The onboard charger detects the accumulated difference between estimated current and measured current is too large / outside acceptable range.	Reduced AC charge rate or inability to AC charge.
PCS_a070_chgPfcLineDvdt	The onboard charger input voltage measurement changed too much between switching cycles compared to acceptable range, causing reduced AC charge rate. This alert indicates an unexpected and sudden drop or spike in the measured voltage has occurred, and it is frequently associated with a condition affecting the supply voltage from the AC grid.	The onboard charger AC input voltage changed too much between switching cycles compared to acceptable range.	Reduced AC charge rate.
PCS_a069_chgPfcLineDidt	The onboard charger AC input current measurement changed too much between switching cycles compared to acceptable range, causing reduced AC charge rate. This alert indicates an unexpected, sudden drop or spike in the measured current has occurred, and it is frequently associated with a condition affecting the supply current from the AC grid.	The onboard charger AC input current changed too much between switching cycles compared to acceptable range.	Reduced AC charge rate.
PCS_a068_dcdcTankvRationality	PCS DCDC tank voltage sensor's DC offset exceeds threshold while DCDC converter is inactive.	DCDC converter tank voltage sensor's DC offset exceeds threshold while DCDC converter is inactive	Inability to precharge HV bus, inability to support 12V system, inability to drive
PCS2_a083_acL3CurrentOffsetIrrational	The AC Line 3 current has an irrationally high DC offset.	The AC Line 3 current has an irrationally high DC offset	AC Charging may be limited or unavailable.
PCS_a067_dcdcLvRationality	PCS DCDC LV bus voltage reading differs from VCFRONT LV bus voltage reading by an excessive amount.	DCDC converter low voltage bus voltage sensor mismatches front vehicle controller's sensed value on CAN for more than three seconds	Inability to precharge HV bus, inability to support 12V system, inability to drive
PCS_a066_dcdcHvRationality	PCS DCDC HV bus voltage reading differs from HVP HV bus voltage reading by an excessive amount.	DCDC converter high voltage bus voltage sensor mismatches high voltage processor's sensed value on CAN for more than three seconds	Inability to precharge HV bus, inability to support 12V system, inability to drive
PCS_a065_chgPllNotLocked	Charger's input voltage sensor cannot lock the AC input waveform when commanded to start AC charging.	Charger's input voltage sensor cannot lock the AC input waveform when commanded to start AC charging	Reduced AC charge rate or inability to AC charge
PCS_a064_chgIOutRationality	High DC offset present on charger output current sensor when charging is not enabled.	Charger output current sensor offset exceeds threshold for more than three seconds while charging is inactive	Inability to AC charge
PCS_a063_chgVOutRationality	Charger output voltage sensor mismatches high voltage processor's sensed value on CAN.	Charger output voltage sensor mismatches high voltage processor's sensed value on CAN for more than three seconds	Inability to AC charge
PCS_a062_chgILineRationality	High DC offset present on charger input current sensor when charge functionality is not enabled. Indicates issue with vehicle if seen multiple times over multiple days.	Charger line current sensor DC offset exceeds threshold for more than three seconds while charging is inactive	Reduced AC charge rate or inability to AC charge
PCS_a061_chgVLineRationality	High DC offset present on charger input voltage sensor when voltage is not expected.	Charger line voltage sensor DC offset exceeds threshold for more than five seconds	Reduced AC charge rate or inability to AC charge
PCS_a060_chgInputOvPeak	PCS charging input peak over-voltage.	Charger peak AC input voltage exceeds overvoltage threshold	Reduced AC charge rate or inability to AC charge
PCS_a059_chgInputOvRms	PCS charging input RMS over-voltage.	Charger RMS AC input voltage exceeds overvoltage threshold	Reduced AC charge rate or inability to AC charge
PCS_a058_chgInputUnderFreq	PCS charging input under-frequency.	Charger AC input frequency is below minimum frequency threshold for more than one second	Reduced AC charge rate or inability to AC charge

PCS_a076_dcdcEnDeassertedErr

DCDC PWM enable hardline de-asserted while DCDC was commanded to be active.

DCDC converter detected that enable line was de-asserted unexpectedly

Inability to precharge HV bus, inability to support 12V system, inability to drive

PCS_a075_hvBusDischargeTimeout

PCS DCDC timed out when attempting to discharge HV bus.

DCDC converter timed out when attempting to discharge HV bus

Inability to perform vehicle precharge, CHAdeMO and GB DC compatibility may be impacted

PCS_a074_hvBusDischargeFailure

PCS DCDC failed to discharge HV bus.

DCDC converter was unable to discharge HV bus when commanded to

Inability to perform vehicle precharge, CHAdeMO and GB DC compatibility may be impacted

PCS_a073_unexpectedAcInputVoltage

AC voltage is present when not expected (indicates a bad charge cable / EVSE).

Charger detects AC input voltage when not requested for more than five seconds

Inability to AC charge

PCS_a072_cpu2ClaStopped

CPU2 CLA is not running.

Charger detects that control law accelerator is not running

Inability to AC charge

PCS_a071_chgPfcILoopRationality

The onboard charger detects the accumulated difference between estimated current and measured current is too large, reducing AC charge rate or making AC charging unavailable.

The onboard charger detects the accumulated difference between estimated current and measured current is too large / outside acceptable range.

Reduced AC charge rate or inability to AC charge.

PCS_a070_chgPfcLineDvdt

The onboard charger input voltage measurement changed too much between switching cycles compared to acceptable range, causing reduced AC charge rate. This alert indicates an unexpected and sudden drop or spike in the measured voltage has occurred, and it is frequently associated with a condition affecting the supply voltage from the AC grid.

The onboard charger AC input voltage changed too much between switching cycles compared to acceptable range.

Reduced AC charge rate.

PCS_a069_chgPfcLineDidt

The onboard charger AC input current measurement changed too much between switching cycles compared to acceptable range, causing reduced AC charge rate. This alert indicates an unexpected, sudden drop or spike in the measured current has occurred, and it is frequently associated with a condition affecting the supply current from the AC grid.

The onboard charger AC input current changed too much between switching cycles compared to acceptable range.

Reduced AC charge rate.

PCS_a068_dcdcTankvRationality

PCS DCDC tank voltage sensor's DC offset exceeds threshold while DCDC converter is inactive.

DCDC converter tank voltage sensor's DC offset exceeds threshold while DCDC converter is inactive

Inability to precharge HV bus, inability to support 12V system, inability to drive

PCS2_a083_acL3CurrentOffsetIrrational

The AC Line 3 current has an irrationally high DC offset.

The AC Line 3 current has an irrationally high DC offset

AC Charging may be limited or unavailable.

PCS_a067_dcdcLvRationality

PCS DCDC LV bus voltage reading differs from VCFRONT LV bus voltage reading by an excessive amount.

DCDC converter low voltage bus voltage sensor mismatches front vehicle controller's sensed value on CAN for more than three seconds

Inability to precharge HV bus, inability to support 12V system, inability to drive

PCS_a066_dcdcHvRationality

PCS DCDC HV bus voltage reading differs from HVP HV bus voltage reading by an excessive amount.

DCDC converter high voltage bus voltage sensor mismatches high voltage processor's sensed value on CAN for more than three seconds

Inability to precharge HV bus, inability to support 12V system, inability to drive

PCS_a065_chgPllNotLocked

Charger's input voltage sensor cannot lock the AC input waveform when commanded to start AC charging.

Charger's input voltage sensor cannot lock the AC input waveform when commanded to start AC charging

Reduced AC charge rate or inability to AC charge

PCS_a064_chgIOutRationality

High DC offset present on charger output current sensor when charging is not enabled.

Charger output current sensor offset exceeds threshold for more than three seconds while charging is inactive

Inability to AC charge

PCS_a063_chgVOutRationality

Charger output voltage sensor mismatches high voltage processor's sensed value on CAN.

Charger output voltage sensor mismatches high voltage processor's sensed value on CAN for more than three seconds

Inability to AC charge

PCS_a062_chgILineRationality

High DC offset present on charger input current sensor when charge functionality is not enabled. Indicates issue with vehicle if seen multiple times over multiple days.

Charger line current sensor DC offset exceeds threshold for more than three seconds while charging is inactive

Reduced AC charge rate or inability to AC charge

PCS_a061_chgVLineRationality

High DC offset present on charger input voltage sensor when voltage is not expected.

Charger line voltage sensor DC offset exceeds threshold for more than five seconds

Reduced AC charge rate or inability to AC charge

PCS_a060_chgInputOvPeak

PCS charging input peak over-voltage.

Charger peak AC input voltage exceeds overvoltage threshold

Reduced AC charge rate or inability to AC charge

PCS_a059_chgInputOvRms

PCS charging input RMS over-voltage.

Charger RMS AC input voltage exceeds overvoltage threshold

Reduced AC charge rate or inability to AC charge

PCS_a058_chgInputUnderFreq

PCS charging input under-frequency.

Charger AC input frequency is below minimum frequency threshold for more than one second

Reduced AC charge rate or inability to AC charge

Alerts

Alerts