MyTeslaMate App

Signal Name	Description	Condition	Impact	Important
TAS_a012_CPUReset	Tesla Air Suspension (TAS) has detected an initiated CPU reset triggered by error conditions.	Reset can be caused by clock errors, flash issues, software faults, checkstop events, or debug requests causing CPU restarts.	May result in disrupted operation. Review logs and components post-restart.	No
TAS_a003_SWAssertion	Tesla Air Suspension (TAS) has detected an internal software assertion failure.	Triggers when a specific software condition fails during runtime operations.	May result in system instability.	No
TAS_a002_PowerLossReset	Tesla Air Suspension (TAS) has detected an unplanned processor reset caused by power loss.	Occurs during sudden or unexpected power losses affecting the system.	May result in disrupted operation. Review logs and components post-restart.	No
TAS_a001_WatchdogReset	Warns if the processor has experienced a reset due to watchdog reset.	A watchdog (external or internal) was not serviced in time.	Suspension controls may not continually work as intended.	No
STO_a158_diDlc	CAN messages from the Drive Inverter (DI) ECU have an invalid data length, indicating an error in data integrity has been detected.	CAN message frames from the DI ECU have an invalid data length	Active Driver Assist System (ADAS) control may be disabled, and Steering assist may be affected, since the DI to Steering Torque Overlay (STO) interface is interrupted	No
STO_a157_diChecksum	CAN messages from the Drive Inverter (DI) ECU have an invalid checksum value during the Cyclic Redundancy Check (CRC), indicating an error in data integrity has been detected.	CAN message frames from the DI ECU have an invalid checksum value	Active Driver Assist System (ADAS) control may be disabled, and Steering assist may be affected, since the DI to Steering Torque Overlay (STO) interface is interrupted	No
STO_a156_diCounter	CAN messages from the Drive Inverter (DI) ECU have an invalid counter value, indicating an error in data integrity has been detected.	CAN message frames from the DI 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 DI to Steering Torque Overlay (STO) interface is interrupted	No
STO_a155_diMia	Expected CAN messages from the Drive Inverter (DI) ECU were not received.	CAN message frames from the DI ECU were not received as expected	Active Driver Assist System (ADAS) control may be disabled, and Steering assist may be affected, since the DI to Steering Torque Overlay (STO) interface is interrupted	No
STO_a154_vcLVDlc	CAN messages from the Low Voltage Vehicle Control (vcLV) ECU have an invalid data length, indicating an error in data integrity has been detected.	CAN message frames from the vcLV ECU have an invalid data length	Active Driver Assist System (ADAS) control may be disabled, and Steering assist may be affected, since the vcLV to Steering Torque Overlay (STO) interface is interrupted	No
STO_a153_vcLVChecksum	CAN messages from the Low Voltage Vehicle Control (vcLV) ECU have an invalid checksum value during the Cyclic Redundancy Check (CRC), indicating an error in data integrity has been detected.	CAN message frames from the vcLV ECU have an invalid checksum value	Active Driver Assist System (ADAS) control may be disabled, and Steering assist may be affected, since the vcLV to Steering Torque Overlay (STO) interface is interrupted	No
STO_a152_vcLVCounter	CAN messages from the Low Voltage Vehicle Control (vcLV) ECU have an invalid counter value, indicating an error in data integrity has been detected.	CAN message frames from the vcLV 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 vcLV to Steering Torque Overlay (STO) interface is interrupted	No
STO_a151_vcLVMia	Expected CAN messages from the Low Voltage Vehicle Control (vcLV) ECU were not received.	CAN message frames from the vcLV ECU were not received as expected	Active Driver Assist System (ADAS) control may be disabled, and Steering assist may be affected, since the vcLV to Steering Torque Overlay (STO) interface is interrupted	No
STO_a150_rcmInertial2Range	CAN messages from the Restraint Control Module 2 (RCM2) ECU have an invalid data range, indicating an error in data integrity has been detected.	CAN message frames from the RCM2 ECU have an out of range data value	Active Driver Assist System (ADAS) control may be disabled, and Steering assist may be affected, since the RCM2 to Steering Torque Overlay (STO) interface is interrupted	No
STO_a149_rcmInertial2Invalid	CAN messages from the Restraint Control Module 2 (RCM2) ECU have an invalid data value, indicating an error in data integrity has been detected.	CAN message frames from the RCM2 ECU have an invalid data value	Active Driver Assist System (ADAS) control may be disabled, and Steering assist may be affected, since the RCM2 to Steering Torque Overlay (STO) interface is interrupted	No
STO_a148_rcmInertial2Dlc	CAN messages from the Restraint Control Module 2 (RCM2) ECU have an invalid data length, indicating an error in data integrity has been detected.	CAN message frames from the RCM2 ECU have an invalid data length	Active Driver Assist System (ADAS) control may be disabled, and Steering assist may be affected, since the RCM2 to Steering Torque Overlay (STO) interface is interrupted	No
STO_a147_rcmInertial2CsError	CAN messages from the Restraint Control Module 2 (RCM2) ECU have an invalid Clock Set (CS) value, indicating an error in data integrity has been detected.	CAN message frames from the RCM2 ECU have invalid CS values	Active Driver Assist System (ADAS) control may be disabled, and Steering assist may be affected, since the RCM2 to Steering Torque Overlay (STO) interface is interrupted	No
STO_a146_rcmInertial2CntError	CAN messages from the Restraint Control Module 2 (RCM2) ECU have an invalid counter value, indicating an error in data integrity has been detected.	CAN message frames from the RCM2 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 RCM2 to Steering Torque Overlay (STO) interface is interrupted	No
STO_a145_rcmInertial2Mia	Expected CAN messages from the Restraint Control Module 2 (RCM2) ECU were not received.	CAN message frames from the RCM2 ECU were not received as expected	Active Driver Assist System (ADAS) control may be disabled, and Steering assist may be affected, since the RCM2 to Steering Torque Overlay (STO) interface is interrupted	No
STO_a144_rcmInertial1Range	CAN messages from the Restraint Control Module 1 (RCM1) ECU have an invalid data range, indicating an error in data integrity has been detected.	CAN message frames from the RCM1 ECU have an out of range data value	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_a143_rcmInertial1Invalid	CAN messages from the Restraint Control Module 1 (RCM1) ECU have an invalid data value, indicating an error in data integrity has been detected.	CAN message frames from the RCM1 ECU have an invalid data value	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

TAS_a012_CPUReset

Tesla Air Suspension (TAS) has detected an initiated CPU reset triggered by error conditions.

Reset can be caused by clock errors, flash issues, software faults, checkstop events, or debug requests causing CPU restarts.

May result in disrupted operation. Review logs and components post-restart.

No

TAS_a003_SWAssertion

Tesla Air Suspension (TAS) has detected an internal software assertion failure.

Triggers when a specific software condition fails during runtime operations.

May result in system instability.

No

TAS_a002_PowerLossReset

Tesla Air Suspension (TAS) has detected an unplanned processor reset caused by power loss.

Occurs during sudden or unexpected power losses affecting the system.

May result in disrupted operation. Review logs and components post-restart.

No

TAS_a001_WatchdogReset

Warns if the processor has experienced a reset due to watchdog reset.

A watchdog (external or internal) was not serviced in time.

Suspension controls may not continually work as intended.

No

STO_a158_diDlc

CAN messages from the Drive Inverter (DI) ECU have an invalid data length, indicating an error in data integrity has been detected.

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

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

No

STO_a157_diChecksum

CAN messages from the Drive Inverter (DI) ECU have an invalid checksum value during the Cyclic Redundancy Check (CRC), indicating an error in data integrity has been detected.

CAN message frames from the DI ECU have an invalid checksum value

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

No

STO_a156_diCounter

CAN messages from the Drive Inverter (DI) ECU have an invalid counter value, indicating an error in data integrity has been detected.

CAN message frames from the DI 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 DI to Steering Torque Overlay (STO) interface is interrupted

No

STO_a155_diMia

Expected CAN messages from the Drive Inverter (DI) ECU were not received.

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

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

No

STO_a154_vcLVDlc

CAN messages from the Low Voltage Vehicle Control (vcLV) ECU have an invalid data length, indicating an error in data integrity has been detected.

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

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

No

STO_a153_vcLVChecksum

CAN messages from the Low Voltage Vehicle Control (vcLV) ECU have an invalid checksum value during the Cyclic Redundancy Check (CRC), indicating an error in data integrity has been detected.

CAN message frames from the vcLV ECU have an invalid checksum value

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

No

STO_a152_vcLVCounter

CAN messages from the Low Voltage Vehicle Control (vcLV) ECU have an invalid counter value, indicating an error in data integrity has been detected.

CAN message frames from the vcLV 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 vcLV to Steering Torque Overlay (STO) interface is interrupted

No

STO_a151_vcLVMia

Expected CAN messages from the Low Voltage Vehicle Control (vcLV) ECU were not received.

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

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

No

STO_a150_rcmInertial2Range

CAN messages from the Restraint Control Module 2 (RCM2) ECU have an invalid data range, indicating an error in data integrity has been detected.

CAN message frames from the RCM2 ECU have an out of range data value