MyTeslaMate App

Signal Name	Description	Condition	Impact
EPAS3P_a108_uiTuneReqCntError	Invalid UI_chassisControlCounter value received.	UI_chassisControlCounter is not incrementing correctly	Reduced steering assist
EPAS3P_a107_uiTuneReqMia	The Electric Power Assist Steering (EPAS) electronic control unit (ECU) is not receiving the expected controller area network (CAN) messages from the Gateway (GTW) on the CAN bus.	The Electronic Power Assist Steering (EPAS) ECU does not receive the expected CAN messages from the Gateway on the CAN bus.	Steering assist may be reduced or may not function as expected.
EPAS3P_a106_vcFrontTempMia	VCFRONT_sensors message not received.	VCFRONT_sensors message is not received	Leads to Loss of EPS at init
EPAS3P_a105_vcFrontCsError	Invalid VCFRONT_LVPowerStateChecksum value received.	Unexpected VCFRONT_LVPowerStateChecksum received	Leads to Loss of EPS at init
EPAS3P_a104_vcFrontCntError	Invalid VCFRONT_LVPowerStateCounter value received.	VCFRONT_LVPowerStateCounter is not incrementing correctly	Leads to Loss of EPS at init
EPAS3P_a103_vcFrontMia	VCFRONT_LVPowerState message not received.	VCFRONT_LVPowerState message is not received by EPAS	Leads to Loss of EPS at init
EPAS3P_a102_diCsError	Invalid DI_torque1Checksum value received.	Unexpected DI_torque1Checksum value received	External Angle Controller is inhibited
EPAS3P_a101_diCntError	Invalid DI_torque1Counter value received.	DI_torque1Counter is not incrementing correctly	External Angle Controller is inhibited
EPAS3P_a100_diMia	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.	External Angle Controller is inhibited.
EPAS3P_a099_yawRateStatus	The Electronic Power Assist Steering (EPAS) electronic control unit (ECU) receives invalid controller area network (CAN) messages from the Restraint Control Module (RCM) on the CAN bus.	The Electronic Power Assist Steering (EPAS) ECU receives invalid CAN messages from the RCM on the CAN bus.	Steering assist may be reduced or may not function as expected.
EPAS3P_a098_rcmCsError	The Electronic Power Assist Steering (EPAS) electronic control unit (ECU) receives invalid controller area network (CAN) messages from the Restraint Control Module (RCM) on the CAN bus.	The Electronic Power Assist Steering (EPAS) ECU receives invalid CAN messages from the RCM on the CAN bus.	Steering assist may be reduced or may not function as expected.
EPAS3P_a097_rcmCntError	The Electronic Power Assist Steering (EPAS) electronic control unit (ECU) receives invalid controller area network (CAN) messages from the Restraint Control Module (RCM) on the CAN bus.	The Electronic Power Assist Steering (EPAS) ECU receives invalid CAN messages from the RCM on the CAN bus.	Steering assist may be reduced or may not function as expected.
EPAS3P_a096_rcmMia	The Electric Power Assist Steering (EPAS) electronic control unit (ECU) is not receiving the expected controller area network (CAN) messages from the Restraint Control Module (RCM) on the CAN bus.	The Electronic Power Assist Steering (EPAS) ECU does not receive the expected CAN messages from the RCM on the CAN bus.	Steering assist may be reduced or may not function as expected. Since External Angle Control (EAC) requests may be rejected, Autopilot features may be unavailable or may not function as expected.
EPAS3P_a095_espWsStatus	Invalid ESP_wheelSpeedsQF value received.	ESP_wheelSpeedsQF = ONE_OR_MORE_WSS_INVALID	Reduced steering assist and Autosteer disabled
EPAS3P_a094_espWrCsError	Invalid ESP_wheelRotationChecksum value received.	Unexpected ESP_wheelRotationChecksum value received	The power steering is operational but the level of assist is decreased and External Angle Controller is inhibited
EPAS3P_a093_espWrCntError	Invalid ESP_wheelRotationCounter value received.	ESP_wheelRotationCounter is not incrementing correctly	The power steering is operational but the level of assist is decreased and External Angle Controller is inhibited
EPAS3P_a126_apsMia	APS_eacMonitor message not received.	APS_eacMonitor message not received by EPAS	External Angle Controller inhibited
EPAS3P_a092_espWrMia	The electric power assist steering (EPAS) Electronic Control Unit (ECU) is not receiving the wheel rotation message, resulting in a reduced amount of steering assist to preserve vehicle stability.	The electric power assist steering (EPAS) Electronic Control Unit (ECU) does not receive the wheel rotation message.	The power steering is operational but the level of assist is decreased and External Angle Controller is inhibited.
EPAS3P_a091_espWsCsError	Invalid ESP_wheelSpeedsChecksum value received.	Unexpected ESP_wheelSpeedsChecksum value observed	The power steering is operational but the level of assist is decreased
EPAS3P_a090_espWsCntError	Invalid ESP_wheelSpeedsCounter value received.	ESP_wheelSpeedsCounter is not incrementing correctly	The power steering is operational but the level of assist is decreased

EPAS3P_a108_uiTuneReqCntError

Invalid UI_chassisControlCounter value received.

UI_chassisControlCounter is not incrementing correctly

Reduced steering assist

EPAS3P_a107_uiTuneReqMia

The Electric Power Assist Steering (EPAS) electronic control unit (ECU) is not receiving the expected controller area network (CAN) messages from the Gateway (GTW) on the CAN bus.

The Electronic Power Assist Steering (EPAS) ECU does not receive the expected CAN messages from the Gateway on the CAN bus.

Steering assist may be reduced or may not function as expected.

EPAS3P_a106_vcFrontTempMia

VCFRONT_sensors message not received.

VCFRONT_sensors message is not received

Leads to Loss of EPS at init

EPAS3P_a105_vcFrontCsError

Invalid VCFRONT_LVPowerStateChecksum value received.

Unexpected VCFRONT_LVPowerStateChecksum received

Leads to Loss of EPS at init

EPAS3P_a104_vcFrontCntError

Invalid VCFRONT_LVPowerStateCounter value received.

VCFRONT_LVPowerStateCounter is not incrementing correctly

Leads to Loss of EPS at init

EPAS3P_a103_vcFrontMia

VCFRONT_LVPowerState message not received.

VCFRONT_LVPowerState message is not received by EPAS

Leads to Loss of EPS at init

EPAS3P_a102_diCsError

Invalid DI_torque1Checksum value received.

Unexpected DI_torque1Checksum value received

External Angle Controller is inhibited

EPAS3P_a101_diCntError

Invalid DI_torque1Counter value received.

DI_torque1Counter is not incrementing correctly

External Angle Controller is inhibited

EPAS3P_a100_diMia

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.

External Angle Controller is inhibited.

EPAS3P_a099_yawRateStatus

The Electronic Power Assist Steering (EPAS) electronic control unit (ECU) receives invalid controller area network (CAN) messages from the Restraint Control Module (RCM) on the CAN bus.

The Electronic Power Assist Steering (EPAS) ECU receives invalid CAN messages from the RCM on the CAN bus.

Steering assist may be reduced or may not function as expected.

EPAS3P_a098_rcmCsError

The Electronic Power Assist Steering (EPAS) electronic control unit (ECU) receives invalid controller area network (CAN) messages from the Restraint Control Module (RCM) on the CAN bus.

The Electronic Power Assist Steering (EPAS) ECU receives invalid CAN messages from the RCM on the CAN bus.

Steering assist may be reduced or may not function as expected.

EPAS3P_a097_rcmCntError

The Electronic Power Assist Steering (EPAS) electronic control unit (ECU) receives invalid controller area network (CAN) messages from the Restraint Control Module (RCM) on the CAN bus.

The Electronic Power Assist Steering (EPAS) ECU receives invalid CAN messages from the RCM on the CAN bus.

Steering assist may be reduced or may not function as expected.

EPAS3P_a096_rcmMia

The Electric Power Assist Steering (EPAS) electronic control unit (ECU) is not receiving the expected controller area network (CAN) messages from the Restraint Control Module (RCM) on the CAN bus.

The Electronic Power Assist Steering (EPAS) ECU does not receive the expected CAN messages from the RCM on the CAN bus.

Steering assist may be reduced or may not function as expected. Since External Angle Control (EAC) requests may be rejected, Autopilot features may be unavailable or may not function as expected.

EPAS3P_a095_espWsStatus

Invalid ESP_wheelSpeedsQF value received.

ESP_wheelSpeedsQF = ONE_OR_MORE_WSS_INVALID

Reduced steering assist and Autosteer disabled

EPAS3P_a094_espWrCsError

Invalid ESP_wheelRotationChecksum value received.

Unexpected ESP_wheelRotationChecksum value received

The power steering is operational but the level of assist is decreased and External Angle Controller is inhibited

EPAS3P_a093_espWrCntError

Invalid ESP_wheelRotationCounter value received.

ESP_wheelRotationCounter is not incrementing correctly

The power steering is operational but the level of assist is decreased and External Angle Controller is inhibited

EPAS3P_a126_apsMia

APS_eacMonitor message not received.

APS_eacMonitor message not received by EPAS

External Angle Controller inhibited

EPAS3P_a092_espWrMia

The electric power assist steering (EPAS) Electronic Control Unit (ECU) is not receiving the wheel rotation message, resulting in a reduced amount of steering assist to preserve vehicle stability.

The electric power assist steering (EPAS) Electronic Control Unit (ECU) does not receive the wheel rotation message.

The power steering is operational but the level of assist is decreased and External Angle Controller is inhibited.

EPAS3P_a091_espWsCsError

Invalid ESP_wheelSpeedsChecksum value received.

Unexpected ESP_wheelSpeedsChecksum value observed

The power steering is operational but the level of assist is decreased

EPAS3P_a090_espWsCntError

Invalid ESP_wheelSpeedsCounter value received.

ESP_wheelSpeedsCounter is not incrementing correctly

The power steering is operational but the level of assist is decreased

Alerts

Alerts