Alerts

Alerts

Signal Name Description Condition Impact
STO_a015_fsRlySecOpen
Steering Torque Overlay (STO) assist halted due to Secondary FS relay open circuit.
Secondary Internal: Fail Safe (FS) Relay(s) detected an open circuit for 45ms
Steering Assist reduced
STO_a016_prechargeVoltFail
Steering Torque Overlay (STO) assist halted due to Primary pre-charge circuit voltage startup failure.
Primary Internal: pre-charge circuit voltage failure dectected on startup for 300ms
Steering Assist reduced
STO_a017_prechargeVoltFailSec
Steering Torque Overlay (STO) assist halted due to Secondary pre-charge circuit voltage startup failure.
Secondary Internal: pre-charge circuit voltage failure dectected on startup for 300ms
Steering Assist reduced
STO_a018_thermSenFail
Steering Torque Overlay (STO) assist halted due to thermal sensor being out of range.
Internal: PCB temperature sensor(s) value out of range for 1 second
Steering Assist reduced
STO_a019_thermSenDiff
Steering Torque Overlay (STO) assist halted due to thermal sensors differing too much in value.
Internal: PCB temperature sensors 1 and 2 differ by more than 12 degrees celsius for 1 second
Steering Assist reduced
STO_a020_predriverSpiComm
Steering Torque Overlay (STO) assist halted due to Primary pre-driver SPI communication startup error.
Primary Internal: pre-driver SPI communication three or more times on startup
Steering Assist reduced
STO_a021_preDriverCsLineFail
Steering Torque Overlay (STO) assist halted due to Primary pre-driver clock set failure.
Primary Internal: pre-driver clock set line failure detected for 50ms
Steering Assist reduced
STO_a022_preDriverAvddInit
Steering Torque Overlay (STO) assist halted due to Primary pre-driver board voltage startup failure.
Primary Internal: pre-driver board voltage failure detected on startup at high or low side for 250ms
Steering Assist reduced
STO_a023_preDriverAvdd
Steering Torque Overlay (STO) assist halted due to Primary pre-driver board voltage failure.
Primary Internal: pre-driver board voltage failure detected at high or low side for 2ms
Steering Assist reduced
STO_a024_preDriverNFaultInit
Steering Torque Overlay (STO) assist halted due to Primary pre-driver fault pin startup failure.
Primary Internal: pre-driver fault pin failure detected on startup for 250ms
Steering Assist reduced
STO_a025_preDriverNFault
Steering Torque Overlay (STO) assist halted due to Primary pre-driver fault pin failure.
Primary Internal: pre-driver fault pin failure detected for 5 or 50ms
Steering Assist reduced
STITCH4_a006_LV_OC
An instantaneous hardware Low Voltage (LV) trip has been detected due to an overvoltage condition.
LV output voltage exceeds the expected overcurrent threshold.
STITCH will halt operation, low voltage will not be supported.
STO_a026_preDriverVdsComp
Steering Torque Overlay (STO) assist halted due to Primary pre-driver VDS comparator startup failure.
Primary Internal: pre-driver Drain to Source Voltage (VDS) comparator failure detected on startup for 250ms
Steering Assist reduced
STO_a027_preDriverVgs
Steering Torque Overlay (STO) assist halted due to Primary pre-driver VGS monitor startup failure.
Primary Internal: pre-driver Gate Source Voltage (VGS) function failure detected on startup for 250ms
Steering Assist reduced
STO_a028_preDriverCurSenShort
Steering Torque Overlay (STO) assist halted due to Primary pre-driver current sensor short startup failure.
Primary Internal: pre-driver current sensor short detected on startup for 250ms
Steering Assist reduced
STO_a029_predriverSpiCommSec
Steering Torque Overlay (STO) assist halted due to Secondary pre-driver SPI communication startup error.
Secondary Internal: pre-driver SPI communication three or more times on startup
Steering Assist reduced
STO_a030_preDriverCsLineFailSec
Steering Torque Overlay (STO) assist halted due to Secondary pre-driver clock set failure.
Secondary Internal: pre-driver clock set line failure detected for 50ms
Steering Assist reduced
STO_a031_preDriverAvddInitSec
Steering Torque Overlay (STO) assist halted due to Secondary pre-driver board voltage startup failure.
Secondary Internal: pre-driver board voltage failure detected on startup at high or low side for 250ms
Steering Assist reduced
STITCH2_a006_LV_OC
An instantaneous hardware Low Voltage (LV) trip has been detected due to an overvoltage condition.
LV output voltage exceeds the expected overcurrent threshold.
STITCH will halt operation, low voltage will not be supported.
STITCH3_a015_SDFM_Invalid
The Sigma Delta Filter Module (SDFM) peripheral is not powered, potentially due to not enough DC voltage being provided to the SDFM.
One of the SDFM modules indicates either a clock failure or an irrational reading.
STITCH will halt operation, low voltage will not be supported.