MyTeslaMate App

Signal Name	Description	Condition	Impact	Important
STO_a142_rcmInertial1Dlc	CAN messages from the Restraint Control Module 1 (RCM1) ECU have an invalid data length, indicating an error in data integrity has been detected.	CAN message frames from the RCM1 ECU have an invalid data length	Active Driver Assist System (ADAS) control may be disabled, and Steering assist may be affected, since the RCM1 to Steering Torque Overlay (STO) interface is interrupted	No
STO_a141_rcmInertial1CsError	CAN messages from the Restraint Control Module 1 (RCM1) ECU have an invalid Clock Set (CS) value, indicating an error in data integrity has been detected.	CAN message frames from the RCM1 ECU have invalid CS values	Active Driver Assist System (ADAS) control may be disabled, and Steering assist may be affected, since the RCM1 to Steering Torque Overlay (STO) interface is interrupted	No
STO_a140_rcmInertial1CntError	CAN messages from the Restraint Control Module 1 (RCM1) ECU have an invalid counter value, indicating an error in data integrity has been detected.	CAN message frames from the RCM1 ECU have counter values that do not increment as expected	Active Driver Assist System (ADAS) control may be disabled, and Steering assist may be affected, since the RCM1 to Steering Torque Overlay (STO) interface is interrupted	No
STO_a139_rcmInertial1Mia	Expected CAN messages from the Restraint Control Module 1 (RCM1) ECU were not received.	CAN message frames from the RCM1 ECU were not received as expected	Active Driver Assist System (ADAS) control may be disabled, and Steering assist may be affected, since the RCM1 to Steering Torque Overlay (STO) interface is interrupted	No
STO_a138_lkasControlSteerAgRange	CAN messages from the Lane Keep Assist System (LKAS) ECU have an invalid steering angle demand range, indicating an error in data integrity has been detected.	CAN message frames from the LKAS ECU have an out of range steering angle demand value	Active Driver Assist System (ADAS) control is disabled, and Steering assist may be affected, since the Lane Keep Assist System (LKAS) to Steering Torque Overlay (STO) interface is interrupted	No
STO_a137_vehSpeedWhlSenRange	CAN messages from a wheel speed sensor ECU have an invalid speed signal range, indicating an error in data integrity has been detected.	CAN message frames from a wheel speed sensor ECU have an out of range wheel speed signal value	Steering assist may be affected, since the wheel speed to Steering Torque Overlay (STO) interface is interrupted	No
STO_a136_vehSpeedWhlSenInvalid	CAN messages from a wheel speed sensor ECU have an invalid data value, indicating an error in data integrity has been detected.	For 1 or more seconds, CAN message frames from a wheel speed sensor ECU have an invalid data value	Steering assist may be affected, since the wheel speed to Steering Torque Overlay (STO) interface is interrupted	No
STO_a135_vehSpeedWhlSenDlc	CAN messages from a wheel speed sensor ECU have an invalid data length, indicating an error in data integrity has been detected.	For 1 or more seconds, CAN message frames from a wheel speed sensor ECU have an invalid data length	Steering assist may be affected, since the wheel speed to Steering Torque Overlay (STO) interface is interrupted	No
STO_a134_vehSpeedWhlSenMIA	Expected CAN messages from a wheel speed sensor ECU were not received.	For 1 or more seconds, CAN message frames from a wheel speed sensor ECU were not received as expected	Steering assist may be affected, since the wheel speed to Steering Torque Overlay (STO) interface is interrupted	No
STO_a133_can2BusOff	Steering Torque Overlay (STO) CAN 2 bus messages are not transmitting properly, meaning bus off detected.	Internal: CAN 2 bus transmission error counter is more than 256	Active Driver Assist System (ADAS) control is disabled, and Steering assist may be affected	No
STO_a132_can1BusOff	Steering Torque Overlay (STO) CAN 1 bus messages are not transmitting properly, meaning bus off detected.	Internal: CAN 1 bus transmission error counter is more than 256	Active Driver Assist System (ADAS) control is disabled, and Steering assist may be affected	No
STO_a131_controlInfo4TxError	Steering Torque Overlay (STO) CAN transmission messages from the control information 4 ECU are invalid.	For 1 or more seconds, there was a control information transmission error	Active Driver Assist System (ADAS) control is disabled, and Steering assist may be affected	No
STO_a130_controlInfo3TxError	Steering Torque Overlay (STO) CAN transmission messages from the control information 3 ECU are invalid.	For 1 or more seconds, there was a control information transmission error	Active Driver Assist System (ADAS) control is disabled, and Steering assist may be affected	No
STO_a129_controlInfo2TxError	Steering Torque Overlay (STO) CAN transmission messages from the control information 2 ECU are invalid.	For 1 or more seconds, there was a control information transmission error	Active Driver Assist System (ADAS) control is disabled, and Steering assist may be affected	No
STO_a128_controlInfo1TxError	Steering Torque Overlay (STO) CAN transmission messages from the control information 1 ECU are invalid.	For 1 or more seconds, there was a control information transmission error	Active Driver Assist System (ADAS) control is disabled, and Steering assist may be affected	No
STO_a127_lkasControlTorqueRange	CAN messages from the Lane Keep Assist System (LKAS) ECU have an invalid torque demand signal range, indicating an error in data integrity has been detected.	3 or more CAN message frames from the LKAS ECU have an out of range torque demand signal value	Active Driver Assist System (ADAS) control is disabled, and Steering assist may be affected, since the Lane Keep Assist System (LKAS) to Steering Torque Overlay (STO) interface is interrupted	No
STO_a126_lkasControlCounter	CAN messages from the Lane Keep Assist System (LKAS) ECU have an invalid counter value, indicating an error in data integrity has been detected.	10 or more CAN message frames from the LKAS ECU have counter values that do not increment as expected	Active Driver Assist System (ADAS) control is disabled, and Steering assist may be affected, since the Lane Keep Assist System (LKAS) to Steering Torque Overlay (STO) interface is interrupted	No
STO_a125_lkasControlCrc	CAN messages from the Lane Keep Assist System (LKAS) ECU have an invalid checksum value during the Cyclic Redundancy Check (CRC), indicating an error in data integrity has been detected.	3 or more CAN message frames from the LKAS ECU have an invalid checksum value	Active Driver Assist System (ADAS) control is disabled, and Steering assist may be affected, since the Lane Keep Assist System (LKAS) to Steering Torque Overlay (STO) interface is interrupted	No
STO_a124_lkasControlDlc	CAN messages from the Lane Keep Assist System (LKAS) ECU have an invalid data length, indicating an error in data integrity has been detected.	For 1 or more seconds, CAN message frames from the LKAS ECU have an invalid data length	Active Driver Assist System (ADAS) control is disabled, and Steering assist may be affected, since the Lane Keep Assist System (LKAS) to Steering Torque Overlay (STO) interface is interrupted	No
STO_a122_sasAngleCalib	CAN messages from the steering angle sensor ECU have an invalid calibration value, indicating an error in data integrity has been detected.	For 1 or more seconds, CAN message frames from the steering angle sensor ECU have an invalid calibration signal value	Active Driver Assist System (ADAS) control is disabled, and Steering assist may be affected, since the steering angle sensor to Steering Torque Overlay (STO) interface is interrupted	No

STO_a142_rcmInertial1Dlc

CAN messages from the Restraint Control Module 1 (RCM1) ECU have an invalid data length, indicating an error in data integrity has been detected.

CAN message frames from the RCM1 ECU have an invalid data length

Active Driver Assist System (ADAS) control may be disabled, and Steering assist may be affected, since the RCM1 to Steering Torque Overlay (STO) interface is interrupted

No

STO_a141_rcmInertial1CsError

CAN messages from the Restraint Control Module 1 (RCM1) ECU have an invalid Clock Set (CS) value, indicating an error in data integrity has been detected.

CAN message frames from the RCM1 ECU have invalid CS values

Active Driver Assist System (ADAS) control may be disabled, and Steering assist may be affected, since the RCM1 to Steering Torque Overlay (STO) interface is interrupted

No

STO_a140_rcmInertial1CntError

CAN messages from the Restraint Control Module 1 (RCM1) ECU have an invalid counter value, indicating an error in data integrity has been detected.

CAN message frames from the RCM1 ECU have counter values that do not increment as expected

Active Driver Assist System (ADAS) control may be disabled, and Steering assist may be affected, since the RCM1 to Steering Torque Overlay (STO) interface is interrupted

No

STO_a139_rcmInertial1Mia

Expected CAN messages from the Restraint Control Module 1 (RCM1) ECU were not received.

CAN message frames from the RCM1 ECU were not received as expected

Active Driver Assist System (ADAS) control may be disabled, and Steering assist may be affected, since the RCM1 to Steering Torque Overlay (STO) interface is interrupted

No

STO_a138_lkasControlSteerAgRange

CAN messages from the Lane Keep Assist System (LKAS) ECU have an invalid steering angle demand range, indicating an error in data integrity has been detected.

CAN message frames from the LKAS ECU have an out of range steering angle demand value

Active Driver Assist System (ADAS) control is disabled, and Steering assist may be affected, since the Lane Keep Assist System (LKAS) to Steering Torque Overlay (STO) interface is interrupted

No

STO_a137_vehSpeedWhlSenRange

CAN messages from a wheel speed sensor ECU have an invalid speed signal range, indicating an error in data integrity has been detected.

CAN message frames from a wheel speed sensor ECU have an out of range wheel speed signal value

Steering assist may be affected, since the wheel speed to Steering Torque Overlay (STO) interface is interrupted

No

STO_a136_vehSpeedWhlSenInvalid

CAN messages from a wheel speed sensor ECU have an invalid data value, indicating an error in data integrity has been detected.

For 1 or more seconds, CAN message frames from a wheel speed sensor ECU have an invalid data value

Steering assist may be affected, since the wheel speed to Steering Torque Overlay (STO) interface is interrupted

No

STO_a135_vehSpeedWhlSenDlc

CAN messages from a wheel speed sensor ECU have an invalid data length, indicating an error in data integrity has been detected.

For 1 or more seconds, CAN message frames from a wheel speed sensor ECU have an invalid data length

Steering assist may be affected, since the wheel speed to Steering Torque Overlay (STO) interface is interrupted

No

STO_a134_vehSpeedWhlSenMIA

Expected CAN messages from a wheel speed sensor ECU were not received.

For 1 or more seconds, CAN message frames from a wheel speed sensor ECU were not received as expected

Steering assist may be affected, since the wheel speed to Steering Torque Overlay (STO) interface is interrupted

No

STO_a133_can2BusOff

Steering Torque Overlay (STO) CAN 2 bus messages are not transmitting properly, meaning bus off detected.

Internal: CAN 2 bus transmission error counter is more than 256