EPAS3P-A078
EPAS3P_a078_phaseDisconnectError
Was bedeutet EPAS3P-A078?
Tesla Alarm-Code im Elektrische Servolenkung primär-Modul (EPAS3P). Phase disconnect FET startup check error Torque sensor 1 supply voltage error Torque sensor 1 observed failure with the voltage supply Steering assist reduced and EAC inhibited Due to sustained torque, output torque is limited The electric power assist steering (EPAS) Electronic Control Unit (ECU) is not receiving the drive inverter torque message, which may be the result of controller area network (CAN) bus issues. The electric power assist steering (EPAS) Electronic Control Unit (ECU) does not receive the drive inverter torque message. The drive inverter torque message is received by the electric power assist steering (EPAS) Electronic Control Unit (ECU). External Angle Controller is inhibited. Hysteresis controller correlation error |torque command path1 - path2| > 0.6Nm Power-up arbitation between primary and secondary ECU failed Master and Slave ECUs INIT Arbitration Failed VCFRONT_LVPowerState message not received VCFRONT_LVPowerState message is not received by EPAS EPAS receives VCFRONT_LVPowerState message again Torque sensor 2 signal invalid Invalid Torque sensor 2 signal received by EPAS Gate drive SPI communication error Gate drive SPI communication errors Invalid EPAS3P/S_statusCounter value received EPAS3P/S_statusCounter is not incrementing correctly EPAS observes EPAS3P/S_statusCounter incrementing correctly Estimated motor parameters exceed expected values if Ke 25.6mV/(rad/s), Ke=25.1mV/(rad/s) Floating point calculation error Microcontroller floating point unit errors Reduced assist, EAC inhibited, and SASQF = UNDEFINABLE_ACCURACY Fault signaling protocol gate driver power cut Gate Drive PWR status signal is monitored wrto the FSP /SMU signal set to LOW). If they do not agree fault is set Motor position sensor 1 logic error Motor position sensor 2 signal undervoltage Internal watchdog error occurred CAN transmit error counter is above 255 Assist reduced due to supply undervoltage Motor control feed-forward correlation error | estimated torque (back calculated from PWM duty & observer) - Command torque | > 1.2Nm EPAS3P/S_status message not received EPAS3P/S_status message is not received by EPAS EPAS3P/S_status message is received Gate drive bridge undervoltage Vbridge returns to expected value Invalid DAS_steeringControlChecksum value received Unexpected DAS_steeringControlChecksum value received by EPAS EPAS observes expected DAS_steeringControlChecksum value Proportional-integrator motor control error (Vq intgl square + Vd intgl squre) > 20 or (Phase A 160) (Vq intgl square + Vd intgl square) < 20 Invalid SCCM_steeringAngleSensorCounter value received SCCM_steeringAngleSensorCounter is not incrementing correctly EPAS observes SCCM_steeringAngleSensorCounter incrementing correctly Reduced steering assist and SASQF = UNDEFINABLE_ACCURACY Torque sensor 1 observed failure with the linearity calibrations Vehicle speed estimation correlation error
Originale Beschreibung
Phase disconnect FET startup check error Torque sensor 1 supply voltage error Torque sensor 1 observed failure with the voltage supply Steering assist reduced and EAC inhibited Due to sustained torque, output torque is limited The electric power assist steering (EPAS) Electronic Control Unit (ECU) is not receiving the drive inverter torque message, which may be the result of controller area network (CAN) bus issues. The electric power assist steering (EPAS) Electronic Control Unit (ECU) does not receive the drive inverter torque message. The drive inverter torque message is received by the electric power assist steering (EPAS) Electronic Control Unit (ECU). External Angle Controller is inhibited. Hysteresis controller correlation error |torque command path1 - path2| > 0.6Nm Power-up arbitation between primary and secondary ECU failed Master and Slave ECUs INIT Arbitration Failed VCFRONT_LVPowerState message not received VCFRONT_LVPowerState message is not received by EPAS EPAS receives VCFRONT_LVPowerState message again Torque sensor 2 signal invalid Invalid Torque sensor 2 signal received by EPAS Gate drive SPI communication error Gate drive SPI communication errors Invalid EPAS3P/S_statusCounter value received EPAS3P/S_statusCounter is not incrementing correctly EPAS observes EPAS3P/S_statusCounter incrementing correctly Estimated motor parameters exceed expected values if Ke 25.6mV/(rad/s), Ke=25.1mV/(rad/s) Floating point calculation error Microcontroller floating point unit errors Reduced assist, EAC inhibited, and SASQF = UNDEFINABLE_ACCURACY Fault signaling protocol gate driver power cut Gate Drive PWR status signal is monitored wrto the FSP /SMU signal set to LOW). If they do not agree fault is set Motor position sensor 1 logic error Motor position sensor 2 signal undervoltage Internal watchdog error occurred CAN transmit error counter is above 255 Assist reduced due to supply undervoltage Motor control feed-forward correlation error | estimated torque (back calculated from PWM duty & observer) - Command torque | > 1.2Nm EPAS3P/S_status message not received EPAS3P/S_status message is not received by EPAS EPAS3P/S_status message is received Gate drive bridge undervoltage Vbridge returns to expected value Invalid DAS_steeringControlChecksum value received Unexpected DAS_steeringControlChecksum value received by EPAS EPAS observes expected DAS_steeringControlChecksum value Proportional-integrator motor control error (Vq intgl square + Vd intgl squre) > 20 or (Phase A 160) (Vq intgl square + Vd intgl square) < 20 Invalid SCCM_steeringAngleSensorCounter value received SCCM_steeringAngleSensorCounter is not incrementing correctly EPAS observes SCCM_steeringAngleSensorCounter incrementing correctly Reduced steering assist and SASQF = UNDEFINABLE_ACCURACY Torque sensor 1 observed failure with the linearity calibrations Vehicle speed estimation correlation error
Schweregrad-Hinweise
EPAS3P-A078 ist ein Alarm im Electric Power Steering Primary-System. Es ist im Allgemeinen sicher, weiterzufahren, aber lassen Sie es beim nächsten geplanten Service überprüfen.