Alerts
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| Signal Name | Description | Condition | Impact |
|---|---|---|---|
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Proportional-integrator motor control error
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(Vq intgl square + Vd intgl squre) > 20 or (Phase A < 0.25 A or Phase B < 0.25 A) and (Vq prop square + Vd prop square) > 160)
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Reduced assist and EAC inhibited
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Torque sensor 1 signal invalid
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Invalid Torque sensor 1 signal received by EPAS
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Steering assist reduced and EAC inhibited
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Current sensor in backup measurement mode
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Current sensor switched to backup measurement due to low printed circuit board (PCB) temperature & serial number
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Electronic Power Assist Steering (EPAS) current sense module in backup measurement mode
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One or more expected Controller Area Network (CAN) messages from the vehicle security controller (VCSEC) electronic control unit (ECU) was not received
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One or more CAN messages from the VCSEC ECU is not received as expected
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The VCSEC to Electronic Power-Assisted Steering (EPAS) interface is interrupted. Tire-based steering tuning may be affected
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Invalid APS_eacMonitorCounter value received
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APS_eacMonitorCounter not incrementing correctly
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External Angle Controller inhibited
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Invalid SCCM_steeringAngleSensorCounter value received
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SCCM_steeringAngleSensorCounter is not incrementing correctly
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Reduced steering assist and SASQF = UNDEFINABLE_ACCURACY
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Invalid UI_chassisControlCounter value received
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UI_chassisControlCounter is not incrementing correctly
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Reduced steering assist
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Invalid ESP_wheelRotationCounter value received
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ESP_wheelRotationCounter is not incrementing correctly
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The power steering is operational but the level of assist is decreased and External Angle Controller is inhibited
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High-side FET startup check error
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High-side FET startup check error
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Reduced steering assist
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Fault signaling protocol gate driver power cut
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Gate Drive PWR status signal is monitored wrto the FSP /SMU signal set to LOW). If they do not agree fault is set
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Reduced steering assist and EAC inhibited
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Floating point calculation error
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Microcontroller floating point unit errors
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Reduced assist, EAC inhibited, and SASQF = UNDEFINABLE_ACCURACY
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Memory protection unit error
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Memory protection unit error
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Reduced steering assist
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External watchdog error
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Regulator reported failure for External watchdog
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Reduced assist, EAC inhibited, and SASQF = UNDEFINABLE_ACCURACY
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Internal watchdog error
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Internal watchdog error occurred
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Reduced assist, EAC inhibited, and SASQF = UNDEFINABLE_ACCURACY
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Program flow error
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Program flow error
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Reduced steering assist
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Safety management unit error
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Safety management unit error
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Reduced steering assist
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Proportional-integrator motor control error
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(Vq intgl square + Vd intgl squre) > 20 or (Phase A < 0.25 A or Phase B < 0.25 A) and (Vq prop square + Vd prop square) > 160)
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Reduced assist and EAC inhibited
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Motor position sensor not calibrated
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Motor position sensor not calibrated
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Reduced assist and EAC inhibited
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Difference between motor position sensor 1 and 2 exceeded threshold
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|MPS1 - MPS2| > 15 degrees
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Reduced assist and EAC inhibited
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Motor position temperature sensor 2 error
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Motor position temperature sensor 2 error
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Reduced steering assist
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