MyTeslaMate App

Signal Name	Description	Condition	Impact
RCU_a052_ESPwheelSpeedsCounter	Wheel speeds message counter is incorrect.	ESP_wheelSpeeds CAN message is received from the IDB with incorrectly incrementing counter for longer than 100 milliseconds.	There may be an issue with the transmitting Electronic Control Unit (ECU), the IDB, or CAN bus.
RCU_a051_ESPReRWSSLInvalid	Rear right wheel speed sensor signal is invalid.	The RCU receives the ESP_wheelSpeedReR as Signal Not Available (SNA) for 100 milliseconds.	There may be an issue with the transmitting Electronic Control Unit (ECU), the Integrated Dynamic Brake (IDB).
RCU_a050_ESPReLWSSLInvalid	Rear left wheel speed sensor signal is invalid.	The RCU receives the ESP_wheelSpeedReL as Signal Not Available (SNA) for 100 milliseconds.	There may be an issue with the transmitting Electronic Control Unit (ECU), the Integrated Dynamic Brake (IDB).
RCU_a049_ESPFrRWSSLInvalid	Front right wheel speed sensor signal is invalid.	The RCU receives the ESP_wheelSpeedFrR as Signal Not Available (SNA) for 100 milliseconds.	There may be an issue with the transmitting Electronic Control Unit (ECU), the Integrated Dynamic Brake (IDB).
RCU_a048_ESPFrLWSSLInvalid	Front left wheel speed sensor signal is invalid.	The RCU receives the ESP_wheelSpeedFrL as Signal Not Available (SNA) for 100 milliseconds.	There may be an issue with the transmitting Electronic Control Unit (ECU), the Integrated Dynamic Brake (IDB).
RCU_a047_ESPwheelSpeedsDLC	Wheel speeds message was not received or message length is incorrect.	The RCU did not receive the ESP_wheelSpeeds CAN message from the IDB for longer than 100 milliseconds, or ESP_wheelSpeeds is received with incorrect data length for longer than 100 milliseconds.	There may be an issue with the transmitting Electronic Control Unit (ECU).
RCU_a046_brakeFluidLevelSNA	Brake Booster (BB) brake fluid level signal BB_brakeFluidLevel is received as Signal Not Available (SNA).	The BB_brakeFluidLevel CAN signal is received by the Redundant Control Unit (RCU) as SNA for 5 seconds.	There may be an issue with the transmitting Electronic Control Unit (ECU).
RCU_a045_VCFRONTtempInvalid	The Front Vehicle Controller (VCFRONT) ambient temperature signal has been received as invalid.	The RCU receives the VCFRONT_tempAmbient signal as Signal Not Available (SNA) for 10 seconds.	There may be an issue with the transmitting Electronic Control Unit (ECU), IDB.
RCU_a044_VCFRONTsensorsMIA	Front Vehicle Controller (VCFRONT) sensors message was not received or message length is incorrect.	The RCU did not receive the VCFRONT_sensors CAN message for longer than 10 seconds, or VCFRONT_sensors is received with incorrect data length for longer than 10 seconds.	There may be an issue with the transmitting Electronic Control Unit (ECU).
RCU_a043_VCFRONTiBoosterLvStateInvalid	The Front Vehicle Controller (VCFRONT) low voltage (LV) state signal has been received as invalid.	The RCU receives the VCFRONT_iBoosterLVState signal as LV_FAULT for 500 milliseconds.	There may be an issue with the transmitting Electronic Control Unit (ECU), IDB.
RCU_a042_DIsystemStatusChecksum	Drive Inverter (DI) system status message checksum is incorrect.	The RCU receives the DI_systemStatus CAN message with incorrect CRC for longer than 100 milliseconds.	There may be an issue with the transmitting Electronic Control Unit (ECU).
RCU_a041_DIsystemStatusCounter	Drive Inverter (DI) system status message counter is incorrect.	DI_systemStatus CAN message is received with incorrectly incrementing counter for longer than 100 milliseconds.	There may be an issue with the transmitting Electronic Control Unit (ECU) or CAN bus.
RSA_a212_activeFault	Rear Steer Actuator (RSA) is stopped at current position.	Rear steer actuator detects an internal condition affecting functionality and defaults to a safe state	No rear axle steering for the current drive cycle
RSA_a110_GTW_MIA	One or more expected Controller Area Network (CAN) messages from the vehicle gateway (GTW) was not received. Vehicle functions that depend on CAN messages from the GTW may be unavailable, or their performance may be affected.	An expected CAN message from the vehicle gateway (GTW) has not been received within the expected timeout, or the message drop rate is too high while the GTW is CAN active.	Vehicle functions that depend on CAN messages from the vehicle gateway (GTW) may be unavailable, or their performance may be affected.
RSA_a111_EPBR_MIA	One or more of the messages the vehicle controller receives periodically from the right Electronic Park Brake (EPBR) electronic control unit (ECU) is not received, indicating the EPBR ECU may be unavailable (MIA).	The vehicle controller does not receive one or more of the expected messages from the EPBR ECU within the expected time frame.	The parking brake may be unavailable or may not function as expected.
RSA_a112_EPBL_MIA	One or more of the messages the vehicle controller receives periodically from the left Electronic Park Brake (EPBL) electronic control unit (ECU) is not received, indicating the EPBL ECU may be unavailable (MIA).	The vehicle controller does not receive one or more of the expected messages from the EPBL ECU within the expected time frame.	The parking brake may be unavailable or may not function as expected.
RSA_a114_ESP_MIA	One or more expected Controller Area Network (CAN) messages from the Electronic Stability Program (ESP) electronic control unit (ECU) was not received. Stability and traction control functions may be unavailable, or their performance may be affected.	An expected CAN message from the Electronic Stability Program (ESP) electronic control unit (ECU) has not been received within the expected timeout, or the message drop rate is too high while the ESP is CAN active.	Stability and traction control functions may be unavailable, or their performance may be affected.
RSA_a115_VCRIGHT1_MIA	One or more of the messages the vehicle controller receives periodically from the right vehicle controller (VCRIGHT1) is not received, indicating the VCRIGHT1 may be unavailable (MIA).	The vehicle controller does not receive one or more of the expected messages from the VCRIGHT1 within the expected time frame.	Vehicle functions that depend on the VCRIGHT1 may be unavailable or may not function as expected.
RSA_a116_VCLEFT_MIA	One or more of the messages the vehicle controller receives periodically from the left vehicle controller (VCLEFT) is not received, indicating the VCLEFT may be unavailable (MIA).	The vehicle controller does not receive one or more of the expected messages from the VCLEFT within the expected time frame.	Vehicle functions that depend on the VCLEFT may be unavailable or may not function as expected.
RSA_a117_VCRIGHT_MIA	One or more of the messages the vehicle controller receives periodically from the right vehicle controller (VCRIGHT) is not received, indicating the VCRIGHT may be unavailable (MIA).	The vehicle controller does not receive one or more of the expected messages from the VCRIGHT within the expected time frame.	Vehicle functions that depend on the VCRIGHT may be unavailable or may not function as expected.

RCU_a052_ESPwheelSpeedsCounter

Wheel speeds message counter is incorrect.

ESP_wheelSpeeds CAN message is received from the IDB with incorrectly incrementing counter for longer than 100 milliseconds.

There may be an issue with the transmitting Electronic Control Unit (ECU), the IDB, or CAN bus.

RCU_a051_ESPReRWSSLInvalid

Rear right wheel speed sensor signal is invalid.

The RCU receives the ESP_wheelSpeedReR as Signal Not Available (SNA) for 100 milliseconds.

There may be an issue with the transmitting Electronic Control Unit (ECU), the Integrated Dynamic Brake (IDB).

RCU_a050_ESPReLWSSLInvalid

Rear left wheel speed sensor signal is invalid.

The RCU receives the ESP_wheelSpeedReL as Signal Not Available (SNA) for 100 milliseconds.

There may be an issue with the transmitting Electronic Control Unit (ECU), the Integrated Dynamic Brake (IDB).

RCU_a049_ESPFrRWSSLInvalid

Front right wheel speed sensor signal is invalid.

The RCU receives the ESP_wheelSpeedFrR as Signal Not Available (SNA) for 100 milliseconds.

There may be an issue with the transmitting Electronic Control Unit (ECU), the Integrated Dynamic Brake (IDB).

RCU_a048_ESPFrLWSSLInvalid

Front left wheel speed sensor signal is invalid.

The RCU receives the ESP_wheelSpeedFrL as Signal Not Available (SNA) for 100 milliseconds.

There may be an issue with the transmitting Electronic Control Unit (ECU), the Integrated Dynamic Brake (IDB).

RCU_a047_ESPwheelSpeedsDLC

Wheel speeds message was not received or message length is incorrect.

The RCU did not receive the ESP_wheelSpeeds CAN message from the IDB for longer than 100 milliseconds, or ESP_wheelSpeeds is received with incorrect data length for longer than 100 milliseconds.

There may be an issue with the transmitting Electronic Control Unit (ECU).

RCU_a046_brakeFluidLevelSNA

Brake Booster (BB) brake fluid level signal BB_brakeFluidLevel is received as Signal Not Available (SNA).

The BB_brakeFluidLevel CAN signal is received by the Redundant Control Unit (RCU) as SNA for 5 seconds.

There may be an issue with the transmitting Electronic Control Unit (ECU).

RCU_a045_VCFRONTtempInvalid

The Front Vehicle Controller (VCFRONT) ambient temperature signal has been received as invalid.

The RCU receives the VCFRONT_tempAmbient signal as Signal Not Available (SNA) for 10 seconds.

There may be an issue with the transmitting Electronic Control Unit (ECU), IDB.

RCU_a044_VCFRONTsensorsMIA

Front Vehicle Controller (VCFRONT) sensors message was not received or message length is incorrect.

The RCU did not receive the VCFRONT_sensors CAN message for longer than 10 seconds, or VCFRONT_sensors is received with incorrect data length for longer than 10 seconds.

There may be an issue with the transmitting Electronic Control Unit (ECU).

RCU_a043_VCFRONTiBoosterLvStateInvalid

The Front Vehicle Controller (VCFRONT) low voltage (LV) state signal has been received as invalid.

The RCU receives the VCFRONT_iBoosterLVState signal as LV_FAULT for 500 milliseconds.

There may be an issue with the transmitting Electronic Control Unit (ECU), IDB.

RCU_a042_DIsystemStatusChecksum

Drive Inverter (DI) system status message checksum is incorrect.

The RCU receives the DI_systemStatus CAN message with incorrect CRC for longer than 100 milliseconds.

There may be an issue with the transmitting Electronic Control Unit (ECU).

RCU_a041_DIsystemStatusCounter

Drive Inverter (DI) system status message counter is incorrect.

DI_systemStatus CAN message is received with incorrectly incrementing counter for longer than 100 milliseconds.

There may be an issue with the transmitting Electronic Control Unit (ECU) or CAN bus.

RSA_a212_activeFault

Rear Steer Actuator (RSA) is stopped at current position.

Rear steer actuator detects an internal condition affecting functionality and defaults to a safe state

No rear axle steering for the current drive cycle

RSA_a110_GTW_MIA

One or more expected Controller Area Network (CAN) messages from the vehicle gateway (GTW) was not received. Vehicle functions that depend on CAN messages from the GTW may be unavailable, or their performance may be affected.

An expected CAN message from the vehicle gateway (GTW) has not been received within the expected timeout, or the message drop rate is too high while the GTW is CAN active.

Vehicle functions that depend on CAN messages from the vehicle gateway (GTW) may be unavailable, or their performance may be affected.

RSA_a111_EPBR_MIA

One or more of the messages the vehicle controller receives periodically from the right Electronic Park Brake (EPBR) electronic control unit (ECU) is not received, indicating the EPBR ECU may be unavailable (MIA).

The vehicle controller does not receive one or more of the expected messages from the EPBR ECU within the expected time frame.

The parking brake may be unavailable or may not function as expected.

RSA_a112_EPBL_MIA

One or more of the messages the vehicle controller receives periodically from the left Electronic Park Brake (EPBL) electronic control unit (ECU) is not received, indicating the EPBL ECU may be unavailable (MIA).

The vehicle controller does not receive one or more of the expected messages from the EPBL ECU within the expected time frame.

The parking brake may be unavailable or may not function as expected.

RSA_a114_ESP_MIA

One or more expected Controller Area Network (CAN) messages from the Electronic Stability Program (ESP) electronic control unit (ECU) was not received. Stability and traction control functions may be unavailable, or their performance may be affected.

An expected CAN message from the Electronic Stability Program (ESP) electronic control unit (ECU) has not been received within the expected timeout, or the message drop rate is too high while the ESP is CAN active.

Stability and traction control functions may be unavailable, or their performance may be affected.

RSA_a115_VCRIGHT1_MIA

One or more of the messages the vehicle controller receives periodically from the right vehicle controller (VCRIGHT1) is not received, indicating the VCRIGHT1 may be unavailable (MIA).

The vehicle controller does not receive one or more of the expected messages from the VCRIGHT1 within the expected time frame.

Vehicle functions that depend on the VCRIGHT1 may be unavailable or may not function as expected.

RSA_a116_VCLEFT_MIA

One or more of the messages the vehicle controller receives periodically from the left vehicle controller (VCLEFT) is not received, indicating the VCLEFT may be unavailable (MIA).

The vehicle controller does not receive one or more of the expected messages from the VCLEFT within the expected time frame.

Vehicle functions that depend on the VCLEFT may be unavailable or may not function as expected.

RSA_a117_VCRIGHT_MIA

One or more of the messages the vehicle controller receives periodically from the right vehicle controller (VCRIGHT) is not received, indicating the VCRIGHT may be unavailable (MIA).

The vehicle controller does not receive one or more of the expected messages from the VCRIGHT within the expected time frame.

Vehicle functions that depend on the VCRIGHT may be unavailable or may not function as expected.

Alerts

Alerts