MyTeslaMate App

Signal Name	Description	Condition	Impact	Important
RSAM_a088_DIRER_MIA	One or more of the messages the vehicle controller receives periodically from the rear right drive inverter (DIRER) is not received, indicating the DIRER may be unavailable (MIA).	One or more of the expected messages from the DIRER is not received.	Vehicle speed and power may be limited.	No
RSAM_a087_DIREL_MIA	One or more of the messages the vehicle controller receives periodically from the rear left drive inverter (DIREL) is not received, indicating the DIREL may be unavailable (MIA).	One or more of the expected messages from the DIREL is not received.	Vehicle speed and power may be limited.	No
RSAM_a071_SEPS_MIA	One or more of the messages the vehicle controller receives periodically from the Secondary Electric Power Steering (SEPS) electronic control unit (ECU) is not received, indicating the SEPS ECU may be unavailable (MIA).	One or more of the expected messages from the SEPS ECU is not received.	Power steering may be limited or unavailable.	No
RSAM_a070_SSFA_MIA	One or more of the messages the vehicle controller receives periodically from the Secondary Steering Feedback Actuator (SSFA) electronic control unit (ECU) is not received, indicating the SSFA ECU may be unavailable (MIA).	One or more of the expected messages from the SSFA ECU is not received.	Steering wheel feedback functionality may be limited or unavailable.	No
RSAM_a069_PSFA_MIA	One or more of the messages the vehicle controller receives periodically from the Primary Steering Feedback Actuator (PSFA) electronic control unit (ECU) is not received, indicating the PSFA ECU may be unavailable (MIA).	One or more of the expected messages from the PSFA ECU is not received.	Steering wheel feedback functionality may be limited or unavailable.	No
RSAM_a063_SwitchFault	A condition affecting switch functionality has been detected.	A condition is detected affecting switch functionality. Alert log signal data should provide more information on the switch affected and specific condition.	The switch may not function or may not function as expected.	No
RSAM_a059_inputResistanceHigh	A large voltage drop is detected in the input power to the vehicle controller, indicating the resistance on the input power feed to the vehicle controller is higher than expected.	Estimated resistance on the input power feed to the vehicle controller is higher than expected.	The vehicle controller may be unavailable due to lack of adequate input power, limiting vehicle functionality or making the vehicle inoperable, with at least one other alert specific to that condition present.	No
RSAM_a054_APP_MIA	One or more of the expected controller area network (CAN) messages from the Autopilot Primary (APP) were not received.	A message the local ECU expects to receive from the APP ECU is not received within the expected timeout, or the drop rate is too high while the APP is CAN active.	Autopilot does not operate as expected.	No
RSAM_a015_NVMMError	An issue is indicated from the non-volatile memory manager.	Non-volatile memory misconfiguration or underlying flash/filesystem error.	Non-volatile memory records may be incorrect or missing.	No
RCU_a056_redundantControllerIsMaster	The Redundant Control Unit (RCU) is the master hydraulic brake controller.	The IDB_boosterStatus signal has indicated that the Integrated Dynamic Brake (IDB) is unable to generate hydraulic brake pressure.	The Redundant Control Unit will provide brake boost when the driver applies the brake pedal. This will result higher than normal brake pedal forces being required to achieve a given vehicle deceleration in addition to vibrating noises when the pedal is pressed.	No
RCU_a055_IDBsimulatorPressFaulted	Integrated Dynamic Brake (IDB) pedal simulator pressure sensor message issue.	The IDB_status CAN message is missing or has a checksum, counter, or message length error on both the CHASSIS and PARTY CAN buses for 50 milliseconds.	There may be an issue with the transmitting Electronic Control Unit (ECU), IDB.	No
RCU_a054_IDBcircuitPressFaulted	Integrated Dynamic Brake (IDB) circuit simulator pressure sensor message issue.	The IDB_status CAN message is missing or has a checksum, counter, or message length error on both the CHASSIS and PARTY CAN buses for 50 milliseconds.	There may be an issue with the transmitting Electronic Control Unit (ECU), IDB.	No
RCU_a053_ESPwheelSpeedsChecksum	Wheel speeds message checksum is incorrect.	The RCU receives the ESP_wheelSpeeds CAN message from the IDB with incorrect CRC for longer than 100 milliseconds.	There may be an issue with the transmitting Electronic Control Unit (ECU), IDB.	No
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.	No
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).	No
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).	No
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).	No
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).	No
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).	No
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).	No

RSAM_a088_DIRER_MIA

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

One or more of the expected messages from the DIRER is not received.

Vehicle speed and power may be limited.

No

RSAM_a087_DIREL_MIA

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

One or more of the expected messages from the DIREL is not received.

Vehicle speed and power may be limited.

No

RSAM_a071_SEPS_MIA

One or more of the messages the vehicle controller receives periodically from the Secondary Electric Power Steering (SEPS) electronic control unit (ECU) is not received, indicating the SEPS ECU may be unavailable (MIA).

One or more of the expected messages from the SEPS ECU is not received.

Power steering may be limited or unavailable.

No

RSAM_a070_SSFA_MIA

One or more of the messages the vehicle controller receives periodically from the Secondary Steering Feedback Actuator (SSFA) electronic control unit (ECU) is not received, indicating the SSFA ECU may be unavailable (MIA).

One or more of the expected messages from the SSFA ECU is not received.

Steering wheel feedback functionality may be limited or unavailable.

No

RSAM_a069_PSFA_MIA

One or more of the messages the vehicle controller receives periodically from the Primary Steering Feedback Actuator (PSFA) electronic control unit (ECU) is not received, indicating the PSFA ECU may be unavailable (MIA).

One or more of the expected messages from the PSFA ECU is not received.

Steering wheel feedback functionality may be limited or unavailable.

No

RSAM_a063_SwitchFault

A condition affecting switch functionality has been detected.

A condition is detected affecting switch functionality. Alert log signal data should provide more information on the switch affected and specific condition.

The switch may not function or may not function as expected.

No

RSAM_a059_inputResistanceHigh

A large voltage drop is detected in the input power to the vehicle controller, indicating the resistance on the input power feed to the vehicle controller is higher than expected.

Estimated resistance on the input power feed to the vehicle controller is higher than expected.

The vehicle controller may be unavailable due to lack of adequate input power, limiting vehicle functionality or making the vehicle inoperable, with at least one other alert specific to that condition present.

No

RSAM_a054_APP_MIA

One or more of the expected controller area network (CAN) messages from the Autopilot Primary (APP) were not received.

A message the local ECU expects to receive from the APP ECU is not received within the expected timeout, or the drop rate is too high while the APP is CAN active.

Autopilot does not operate as expected.

No

RSAM_a015_NVMMError

An issue is indicated from the non-volatile memory manager.

Non-volatile memory misconfiguration or underlying flash/filesystem error.

Non-volatile memory records may be incorrect or missing.

No

RCU_a056_redundantControllerIsMaster

The Redundant Control Unit (RCU) is the master hydraulic brake controller.

The IDB_boosterStatus signal has indicated that the Integrated Dynamic Brake (IDB) is unable to generate hydraulic brake pressure.

The Redundant Control Unit will provide brake boost when the driver applies the brake pedal. This will result higher than normal brake pedal forces being required to achieve a given vehicle deceleration in addition to vibrating noises when the pedal is pressed.

No

RCU_a055_IDBsimulatorPressFaulted

Integrated Dynamic Brake (IDB) pedal simulator pressure sensor message issue.

The IDB_status CAN message is missing or has a checksum, counter, or message length error on both the CHASSIS and PARTY CAN buses for 50 milliseconds.

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

No

RCU_a054_IDBcircuitPressFaulted

Integrated Dynamic Brake (IDB) circuit simulator pressure sensor message issue.

The IDB_status CAN message is missing or has a checksum, counter, or message length error on both the CHASSIS and PARTY CAN buses for 50 milliseconds.

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

No

RCU_a053_ESPwheelSpeedsChecksum

Wheel speeds message checksum is incorrect.

The RCU receives the ESP_wheelSpeeds CAN message from the IDB with incorrect CRC for longer than 100 milliseconds.

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

No

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.

No

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).

No

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).

No

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).

No

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).

No

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).

No

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).

No

Alerts

Alerts