Alerts

Alerts

Signal Name Description Condition Impact
STITCH4_a045_dcdcTempHot
The STITCH Low Voltage (LV) temperature sensor has detected the internal over temperature threshold exceeds 25.0 degC.
The STITCH LV temperature sensor has detected the internal over temperature threshold exceeds 25.0 degC.
This alert has no functional impact on the vehicle.
STITCH4_a044_Persistent_Lockout
STITCH has been locked out due to an environmental or hardware condition preventing normal operation.
STITCH encounters a hardware or environmental condition preventing normal operation.
STITCH will be persistently locked out.
STITCH4_a043_DevJunc_Over_Temp
The device junction temperature sensor reading exceeds the expected temperature threshold.
The device junction temperature sensor reading exceeds the expected temperature threshold.
STITCH will throw warning.
STITCH4_a042_Ambient_Over_Temp
The ambient temperature sensor reading exceeds the expected temperature threshold.
The ambient temperature sensor reading exceeds the expected temperature threshold.
STITCH will throw warning.
STITCH4_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.
STITCH4_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.
STITCH4_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.
STITCH4_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.
STITCH4_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.
STITCH4_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.
STITCH4_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.
STITCH4_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.
STITCH4_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.
STITCH4_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.
STITCH4_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.
STITCH4_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.
STO_a002_pwrSupFail
Steering Torque Overlay (STO) assist halted due to Power Supply IC failure.
Power Supply Integrated Circuit (IC) failure flag set for 5ms
Steering Assist reduced
STITCH4_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.
STITCH4_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.
STITCH4_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.