Alerts

Alerts

Signal Name Description Condition Impact
SSFA_a138_currentCalibrationFailed
Steering current calibration is unsuccessful.
Motor phase or bus current calibration offset is out of the nominal range.
The motor is disqualified and system health is degraded.
STITCH1_a041_Ref_1V5_Invalid
The 1V5 reference voltage reading is outside of the expected minimum and maximum thresholds.
The 1V5 reference voltage is outside of the expected minimum and maximum range for the given time interval.
STITCH will throw warning.
STITCH1_a039_Temp_Sensor_Invalid
One of the temperature sensors is reporting an out of range reading.
One of the temperature sensors is reporting an out of range reading.
STITCH will throw warning without halting operation.
SSFA_a128_VCREAR_MIA
One or more of the messages the vehicle controller receives periodically from the rear vehicle controller (VCREAR) is not received, indicating the VCREAR may be unavailable (MIA).
The vehicle controller does not receive one or more of the expected messages from the VCREAR within the expected time frame.
Vehicle functions that depend on the VCREAR may be unavailable or may not function as expected.
STITCH1_a038_LV_Current_Ctrl_Fail
A controller trip error has been detected due to Low Voltage (LV) current measurement and reference exceeding the expected difference threshold during steady state operation.
LV voltage current measurement and reference difference is above the expected threshold for the given time interval.
STITCH will halt operation due to LV current controller failure.
STITCH1_a037_LV_Voltage_Ctrl_Fail
A controller trip error has been detected due to Low Voltage (LV) measurement and reference exceeding the expected difference threshold during steady state operation.
LV voltage measurement and reference difference is above the expected threshold for the given time interval.
STITCH will halt operation due to LV voltage controller failure.
STITCH1_a036_Stg_2_Zc_To_Lv_Ctrl_Fail
A stage 2 controller trip error has been detected due to prolonged Zone Controller (ZC) to Low Voltage (LV) controller saturation.
ZC to LV controller output exceeds the expected saturation time interval.
STITCH will halt operation due to ZC to LV controller saturation.
STITCH1_a035_Stg_1_Zc_To_Lv_Ctrl_Fail
A stage 1 controller trip error has been detected due to prolonged Zone Controller (ZC) to Low Voltage (LV) controller saturation.
ZC to LV controller output exceeds the expected saturation time interval.
STITCH will halt operation due to ZC to LV controller saturation.
STITCH1_a034_Stg_2_Hv_To_Zc_Ctrl_Fail
A stage 2 controller trip error has been detected due to prolonged High Voltage (HV) to Zone Controller (ZC) saturation.
HV to ZC controller output exceeds the expected saturation time interval.
STITCH will halt operation due to HV to ZC controller saturation.
STITCH1_a033_Stg_1_Hv_To_Zc_Ctrl_Fail
A stage 1 controller trip error has been detected due to prolonged High Voltage (HV) to Zone Controller (ZC) saturation.
HV to ZC controller output exceeds the expected saturation time interval.
STITCH will halt operation due to HV to ZC controller fail.
STITCH1_a032_HV_Half_Bus_Balancer_Fail
A software trip has been detected due to High Voltage (HV) readings exceeding the expected unbalance half voltage threshold during balancer operation.
HV half bus voltage unbalance readings exceed the expected threshold for the given time interval.
STITCH will throw warning without halting operation.
STITCH1_a031_HV_Half_Bus_Unbalance
A software trip has been detected due to High Voltage (HV) readings exceeding the expected unbalance half voltage threshold.
HV half bus voltage unbalance readings exceed the expected threshold for the given time interval.
STITCH will halt operation since high HV half bus unbalance would cause device failure.
STITCH1_a030_SW_HV_Bus_Bot_UV
A software trip has been detected due to High Voltage (HV) readings being below the expected bus bottom half voltage threshold.
Single HV bottom half bus voltage drops below the expected threshold.
STITCH will halt operation, low voltage will not be supported.
STITCH1_a029_SW_HV_Bus_Top_UV
A software trip has been detected due to High Voltage (HV) readings being below the expected bus top half voltage threshold.
Single HV top half bus voltage drops below the expected threshold.
STITCH will halt operation, low voltage will not be supported.
STITCH1_a028_FW_HV_BUS_BOT_UV
A fast firmware trip has been detected due to High Voltage (HV) readings being below the expected bus bottom half voltage threshold.
Single HV bottom half bus voltage drops below the expected threshold.
STITCH will halt operation, low voltage will not be supported.
STITCH1_a027_FW_HV_BUS_TOP_UV
A fast firmware trip has been detected due to High Voltage (HV) readings being below the expected bus top half voltage threshold.
Single HV top half bus voltage drops below the expected threshold.
STITCH will halt operation, low voltage will not be supported.
STITCH1_a025_SW_LV_UV
A slow software trip has been detected due to Low Voltage (LV) readings being below the expected threshold during operation.
LV output voltage drops below the expected undervoltage threshold for the given time interval.
Continuous operation at a low LV output could cause hardware damage.
SSFA_a129_SSFAInterfaceHashMismatch
Steering feedback actuator is experiencing an interface mismatch.
Steering feedback actuator has incompatible software
Steering feedback actuator may not function as intended or may limit driving modes
STITCH1_a024_LV_UV
An instantaneous hardware Low Voltage (LV) trip has been detected due to an undervoltage condition.
LV output voltage drops below the expected undervoltage threshold.
STITCH will halt operation, low voltage will not be supported.
STITCH1_a023_NVRAM_Manager_Error
An operation on the Electrically Erasable Programmable Read-Only Memory (EEPROM) has failed. This alert provides record ID, error type, and number of errors since the last task loop.
An operation on the EEPROM failed.
The payload signals for this alert will indicate the nature of the error.