Alerts

Alerts

Signal Name Description Condition Impact Important
AC voltage not present while being commanded to charge
Charger does not detect AC input voltage to phase while starting up
Inability to start AC charging
No
DCDC converter 12V support has faulted
DCDC converter 12V support has faulted
Inability to support 12V system
No
PCS DCDC temperature sensor is reporting irrational value
DCDC converter temperature is outside expected range for more than one second
Reduced available DCDC output power
No
The high voltage (HV) battery bottom voltage measurement is irrational
The HV battery bottom voltage is irrationally high or low
DCDC and AC Charging may be limited or unavailable.
No
PCS detects that at least one bootloader has mismatched CRC
Power conversion system application detects that calculated bootloader CRC is unexpected
Inability to update, inability to boot AC charger
No
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
No
PCS detects the HV bus impedance is higher than the expected value
DCDC converter detects high impedance on HV bus when precharging (capacitance too low)
Inability to precharge HV bus, inability to support 12V system, inability to drive
No
PCS detects the HV bus impedance is lower than the expected value
DCDC converter detects low impedance on HV bus when precharging (short circuit or capacitance too high)
Inability to precharge HV bus, inability to support 12V system, inability to drive
No
PCS DCDC is not able to regulate LV output
DCDC converter 12V support regulator detects irrational condition
Inability to support 12V system
No
PCS DCDC failed to precharge HV bus to the target voltage
DCDC converter was unable to precharge HV bus when commanded to
Inability to precharge HV bus, inability to support 12V system, inability to drive
No
PCS DCDC detects its temperature is too hot to continue operation
DCDC converter temperature exceeds overtemperature threshold for more than one second
Inability to precharge HV bus, inability to support 12V system, inability to drive
No
CPU2 CLA is not running
Charger detects that control law accelerator is not running
Inability to AC charge
No
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
No
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
No
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
No
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
No
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
No
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
No
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
No
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
No