MyTeslaMate App

Signal Name	Description	Condition	Impact
TAS_a095_CP_MIA	One or more CAN messages from CP are not being received by the ECU.	One or more CAN messages from CP are not being received by the ECU (missing, bad RX rate, or invalid checksum/counter).	Active damping control quality may be reduced.
TAS_a097_RCM_MIA	One or more CAN messages from RCM are not being received by the ECU.	One or more CAN messages from RCM are not being received by the ECU (missing, bad RX rate, or invalid checksum/counter).	Air suspension functionality may be reduced. Excessive leveling corrections may occur. Active damping control may be disabled.
TAS_a145_boardFaultFL	Implausible condition detected on front left air valve circuit, possibly due to ECU hardware failure.	Implausible condition detected on front left air valve circuit, possibly due to ECU hardware failure.	Air suspension leveling will be disabled.
TAS_a095_DIS_MIA	One or more CAN messages from DIS are not being received by the ECU.	One or more CAN messages from DIS are not being received by the ECU (missing, bad RX rate, or invalid checksum/counter).	Air suspension functionality may be reduced. Excessive leveling corrections may occur and system may not lower suspension at higher speeds.
TAS_a098_MCU_MIA	One or more CAN messages from MCU are not being received by the ECU.	One or more CAN messages from MCU are not being received by the ECU (missing, bad RX rate, or invalid checksum/counter).	Air suspension functionality may be reduced.
TAS_a096_IMU_MIA	One or more CAN messages from IMU are not being received by the ECU.	One or more CAN messages from IMU are not being received by the ECU (missing, bad RX rate, or invalid checksum/counter).	Air suspension functionality may be reduced. Excessive leveling corrections may occur. Active damping control may be disabled.
TAS_a096_VCBATT_MIA	One or more CAN messages from VCBATT are not being received by the ECU.	One or more CAN messages from VCBATT are not being received by the ECU (missing, bad RX rate, or invalid checksum/counter).	Air suspension functionality may be reduced. Air suspension may be unable to level using the air compressor.
TAS_a094_DAS_MIA	One or more CAN messages from DAS are not being received by the ECU.	One or more CAN messages from DAS are not being received by the ECU (missing, bad RX rate, or invalid checksum/counter).	Active damping control quality may be reduced.
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
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
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
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
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
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
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
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
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
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
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
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

TAS_a095_CP_MIA

One or more CAN messages from CP are not being received by the ECU.

One or more CAN messages from CP are not being received by the ECU (missing, bad RX rate, or invalid checksum/counter).

Active damping control quality may be reduced.

TAS_a097_RCM_MIA

One or more CAN messages from RCM are not being received by the ECU.

One or more CAN messages from RCM are not being received by the ECU (missing, bad RX rate, or invalid checksum/counter).

Air suspension functionality may be reduced. Excessive leveling corrections may occur. Active damping control may be disabled.

TAS_a145_boardFaultFL

Implausible condition detected on front left air valve circuit, possibly due to ECU hardware failure.

Air suspension leveling will be disabled.

TAS_a095_DIS_MIA

One or more CAN messages from DIS are not being received by the ECU.

One or more CAN messages from DIS are not being received by the ECU (missing, bad RX rate, or invalid checksum/counter).

Air suspension functionality may be reduced. Excessive leveling corrections may occur and system may not lower suspension at higher speeds.

TAS_a098_MCU_MIA

One or more CAN messages from MCU are not being received by the ECU.

One or more CAN messages from MCU are not being received by the ECU (missing, bad RX rate, or invalid checksum/counter).

Air suspension functionality may be reduced.

TAS_a096_IMU_MIA

One or more CAN messages from IMU are not being received by the ECU.

One or more CAN messages from IMU are not being received by the ECU (missing, bad RX rate, or invalid checksum/counter).

Air suspension functionality may be reduced. Excessive leveling corrections may occur. Active damping control may be disabled.

TAS_a096_VCBATT_MIA

One or more CAN messages from VCBATT are not being received by the ECU.

One or more CAN messages from VCBATT are not being received by the ECU (missing, bad RX rate, or invalid checksum/counter).

Air suspension functionality may be reduced. Air suspension may be unable to level using the air compressor.

TAS_a094_DAS_MIA

One or more CAN messages from DAS are not being received by the ECU.

One or more CAN messages from DAS are not being received by the ECU (missing, bad RX rate, or invalid checksum/counter).

Active damping control quality may be reduced.

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

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

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