Tesla RADC Alert Codes
Radar Controller reference page with 78 Tesla alert codes, 40 detailed descriptions, severity counts, and diagnostic context.
What the RADC system covers
Radar Controller alerts belong to Tesla's proprietary diagnostic alert system and are grouped under the adas category.
Alert type breakdown
Tesla RADC code list
Rows with a linked code have a dedicated detail page.
| Code | Severity | Type | Description |
|---|---|---|---|
| RADC_a001 RADC_a001_can1BusOff | Caution | Alert | RADC_a001 - can1Bus Off Tesla alert code in the Radar Controller (RADC) module. Secondary CAN Bus Off |
| RADC_a002 RADC_a002_ecuAdcError | Caution | Alert | RADC_a002 - ECU ADC Error Tesla alert code in the Radar Controller (RADC) module. ADC Issue |
| RADC_a003 RADC_a003_ecuBistDisabled | Caution | Alert | RADC_a003 - ECU Bist Disabled Tesla alert code in the Radar Controller (RADC) module related to ecu bist disabled. |
| RADC_a004 RADC_a004_ecuCrcHwError | Caution | Alert | RADC_a004 - ECU Crc HW Error Tesla alert code in the Radar Controller (RADC) module related to ecu crc hw error. |
| RADC_a005 RADC_a005_ecuEcuMError | Caution | Alert | RADC_a005 - ECU ECU M Error Tesla alert code in the Radar Controller (RADC) module related to ecu ecu m error. |
| RADC_a006 RADC_a006_ecuFimError | Caution | Alert | RADC_a006 - ECU Fim Error Tesla alert code in the Radar Controller (RADC) module related to ecu fim error. |
| RADC_a007 RADC_a007_ecuGptCheckError | Caution | Alert | RADC_a007 - ECU Gpt Check Error Tesla alert code in the Radar Controller (RADC) module related to ecu gpt check error. |
| RADC_a008 RADC_a008_ecuHwSwInterlock | Caution | Alert | RADC_a008 - ECU HW SW Interlock Tesla alert code in the Radar Controller (RADC) module related to ecu hw sw interlock. |
| RADC_a009 RADC_a009_plantModeActive | Caution | Alert | RADC_a009 - plant Mode Active Tesla alert code in the Radar Controller (RADC) module related to plant mode active. |
| RADC_a010 RADC_a010_ecuIoHwAbError | Caution | Alert | RADC_a010 - ECU Io HW Ab Error Tesla alert code in the Radar Controller (RADC) module related to ecu io hw ab error. |
| RADC_a011 RADC_a011_ecuMcemError | Caution | Alert | RADC_a011 - ECU Mcem Error Tesla alert code in the Radar Controller (RADC) module related to ecu mcem error. |
| RADC_a012 RADC_a012_ecuSpiError | Caution | Alert | RADC_a012 - ECU SPI Error Tesla alert code in the Radar Controller (RADC) module related to ecu spi error. |
| RADC_a013 RADC_a013_ecuWdgError | Caution | Alert | RADC_a013 - ECU Wdg Error Tesla alert code in the Radar Controller (RADC) module related to ecu wdg error. |
| RADC_a014 RADC_a014_fctSelfTestNotDone | Caution | Alert | RADC_a014 - fct Self Test Not Done Tesla alert code in the Radar Controller (RADC) module related to fct self test not done. |
| RADC_a015 RADC_a015_fctSenInterference | Caution | Alert | RADC_a015 - fct Sen Interference Tesla alert code in the Radar Controller (RADC) module related to fct sen interference. |
| RADC_a016 RADC_a016_adcOverVolt | Caution | Alert | RADC_a016 - ADC Over Volt Tesla alert code in the Radar Controller (RADC) module related to adc over volt. |
| RADC_a017 RADC_a017_adcUnderVolt | Caution | Alert | RADC_a017 - ADC Under Volt Tesla alert code in the Radar Controller (RADC) module related to adc under volt. |
| RADC_a018 RADC_a018_internalHardwareFault | Caution | Alert | RADC_a018 - internal Hardware Fault Tesla alert code in the Radar Controller (RADC) module related to internal hardware fault. |
| RADC_a019 RADC_a019_internalSoftwareFault | Caution | Alert | RADC_a019 - internal Software Fault Tesla alert code in the Radar Controller (RADC) module. DAS_vehicleState message not received |
| RADC_a020 RADC_a020_overTemp | Caution | Alert | RADC_a020 - over Temp Tesla alert code in the Radar Controller (RADC) module related to over temp. |
| RADC_a021 RADC_a021_overTempCrit | Caution | Alert | RADC_a021 - over Temp Crit Tesla alert code in the Radar Controller (RADC) module related to over temp crit. |
| RADC_a022 RADC_a022_tempImplausible | Caution | Alert | RADC_a022 - temp Implausible Tesla alert code in the Radar Controller (RADC) module related to temp implausible. |
| RADC_a023 RADC_a023_underTemp | Caution | Alert | RADC_a023 - under Temp Tesla alert code in the Radar Controller (RADC) module related to under temp. |
| RADC_a024 RADC_a024_underTempCrit | Caution | Alert | RADC_a024 - under Temp Crit Tesla alert code in the Radar Controller (RADC) module related to under temp crit. |
| RADC_a025 RADC_a025_overVoltage | Caution | Alert | RADC_a025 - over Voltage Tesla alert code in the Radar Controller (RADC) module. Supply Over Voltage |
| RADC_a026 RADC_a026_underVoltage | Caution | Alert | RADC_a026 - under Voltage Tesla alert code in the Radar Controller (RADC) module. Supply Under Voltage |
| RADC_a027 RADC_a027_nvmFailure | Caution | Alert | RADC_a027 - NVM Failure Tesla alert code in the Radar Controller (RADC) module related to nvm failure. |
| RADC_a028 RADC_a028_rfChipError | Caution | Alert | RADC_a028 - rf Chip Error Tesla alert code in the Radar Controller (RADC) module related to rf chip error. |
| RADC_a029 RADC_a029_rhcError | Caution | Alert | RADC_a029 - rhc Error Tesla alert code in the Radar Controller (RADC) module related to rhc error. |
| RADC_a030 RADC_a030_rspError | Caution | Alert | RADC_a030 - rsp Error Tesla alert code in the Radar Controller (RADC) module related to rsp error. |
| RADC_a031 RADC_a031_sensorMisaligned | Caution | Alert | RADC_a031 - sensor Misaligned Tesla alert code in the Radar Controller (RADC) module. See description |
| RADC_a032 RADC_a032_sensorBlocked | Caution | Alert | RADC_a032 - sensor Blocked Tesla alert code in the Radar Controller (RADC) module related to sensor blocked. |
| RADC_a033 RADC_a033_sensorNeverAligned | Caution | Alert | RADC_a033 - sensor Never Aligned Tesla alert code in the Radar Controller (RADC) module. The radar sensor is cleared of any blockage. Radar internal object Tracking Self Test Not Done - This indicates that the radar has not seen any objects after being powered on. This alert is set on startup. A condition prevents successful CANRX (CAN message received) for the vehicle state message, relating to a checksum, a counter, or an out-of-bounds signal value. The vehicle state message sent from the driver assistance system (DAS) Electronic Control Unit (ECU) to the radar controller (RADC) ECU is not as expected / as required for the radar to be enabled. ECU Internal Critical Temperature Sensor Hardware Interference - The extrapolated sensor range is below the required range threshold. Most likely by increased noise from another HF (high frequency) source When the sensor detects interference from a HF source As soon as the noise from the HF source has subsided. Radar object detection is affected, radar might provide incorrect information for objects which will impact autopilot functionality. Redundant Temperature Sensor Implausible DAS_carConfig message was not received |
| RADC_a034 RADC_a034_vehDynamicsError | Caution | Alert | RADC_a034 - veh Dynamics Error Tesla alert code in the Radar Controller (RADC) module related to veh dynamics error. |
| RADC_a035 RADC_a035_vinMIA | Caution | Alert | RADC_a035 - VIN MIA Tesla alert code in the Radar Controller (RADC) module related to vin mia. |
| RADC_a036 RADC_a036_carConfigMIA | Caution | Alert | RADC_a036 - car Config MIA Tesla alert code in the Radar Controller (RADC) module related to car config mia. |
| RADC_a037 RADC_a037_inertialSignalsMIA | Caution | Alert | RADC_a037 - inertial Signals MIA Tesla alert code in the Radar Controller (RADC) module related to inertial signals mia. |
| RADC_a038 RADC_a038_steeringWheelAngleMIA | Caution | Alert | RADC_a038 - steering Wheel Angle MIA Tesla alert code in the Radar Controller (RADC) module. DAS_steeringWheelAngle message was not received Radar in Plant Mode - The Radar Plant mode routine (internally knows as VIN learn) has failed to complete |
| RADC_a039 RADC_a039_vehicleStateMIA | Caution | Alert | RADC_a039 - vehicle State MIA Tesla alert code in the Radar Controller (RADC) module. Unexpected HW Reset |
| RADC_a040 RADC_a040_wheelSpeedsMIA | Caution | Alert | RADC_a040 - wheel Speeds MIA Tesla alert code in the Radar Controller (RADC) module. DAS_wheelSpeeds not received |
| RADC_a041 RADC_a041_vinErr | Caution | Alert | RADC_a041 - VIN Err Tesla alert code in the Radar Controller (RADC) module. This alert is set when there is an error in the VIN message and is cleared when the message is received as expected. The DAS_VIN message from the drivers assistance system (DAS) electronic control unit (ECU) is erroneous. |
| RADC_a042 RADC_a042_carConfigErr | Caution | Alert | RADC_a042 - car Config Err Tesla alert code in the Radar Controller (RADC) module related to car config err. |
| RADC_a043 RADC_a043_inertialSignalsErr | Caution | Alert | RADC_a043 - inertial Signals Err Tesla alert code in the Radar Controller (RADC) module related to inertial signals err. |
| RADC_a044 RADC_a044_steeringWheelAngleErr | Caution | Alert | RADC_a044 - steering Wheel Angle Err Tesla alert code in the Radar Controller (RADC) module. A condition prevents successful CANRX (CAN message received) for the steering wheel angle message, relating to a checksum, a counter, or an out-of-bounds signal value. The steering wheel angle message sent from the driver assistance system (DAS) Electronic Control Unit (ECU) to the radar controller (RADC) ECU is not as expected / as required for the radar to be enabled. ECU Internal fault - Hardware Watchdog ECU Internal fault - ADC Conversion Timeout ECU Internal fault - Mode Control Entry Error Vehicle Dynamics Error - the vehicle dynamics signals are out of spec, MIA or SNA ECU Internal ADC Overvoltage - Indicates an over voltage condition for the following voltage rails 1V25, 3V3, 4V5, 5V. Set when the voltages for the respective rails are above threshold. Cleared when over voltages return to nominal. Sensor function will be impaired, radar functions will be unavailable ECU Internal fault - ECU Module Configuration Error Received Country Does Not Match Learned Parameter When the learned parameters meet the ones being sent to the radar on CAN. |
| RADC_a045 RADC_a045_vehicleStateErr | Caution | Alert | RADC_a045 - vehicle State Err Tesla alert code in the Radar Controller (RADC) module related to vehicle state err. |
| RADC_a046 RADC_a046_wheelSpeedsErr | Caution | Alert | RADC_a046 - wheel Speeds Err Tesla alert code in the Radar Controller (RADC) module related to wheel speeds err. |
| RADC_a047 RADC_a047_mismatchChassisType | Caution | Alert | RADC_a047 - mismatch Chassis Type Tesla alert code in the Radar Controller (RADC) module related to mismatch chassis type. |
| RADC_a048 RADC_a048_mismatchAirSuspension | Caution | Alert | RADC_a048 - mismatch Air Suspension Tesla alert code in the Radar Controller (RADC) module. Received DAS_airSuspension Does Not Match Learned Parameter Sensor is disabled due to not having proper vehicle configuration, radar functions will not be available Set when transmit error count is above 255, Per ISO 11898-1. A 12v reset will clear the transmit error ECU internal fault - DSP Error, replace sensor Radar functions will be disabled. CANRX Error for DAS_VIN message When an erroneous message is received from DAS, for invalid checksum, invalid counter or out of bounds signal value. A condition prevents successful CANRX (CAN message received) for the car configuration message, relating to a checksum, a counter, or an out-of-bounds signal value. The car configuration message sent from the driver assistance system (DAS) Electronic Control Unit (ECU) to the radar controller (RADC) ECU is not as expected / as required for the radar to be enabled. Received EPAS Type Does Not Match Learned Parameter |
| RADC_a049 RADC_a049_mismatchFourWheelDrive | Caution | Alert | RADC_a049 - mismatch Four Wheel Drive Tesla alert code in the Radar Controller (RADC) module. Received 4WD Does Not Match Learned Parameter |
| RADC_a050 RADC_a050_mismatchCountry | Caution | Alert | RADC_a050 - mismatch Country Tesla alert code in the Radar Controller (RADC) module related to mismatch country. |
| RADC_a051 RADC_a051_mismatchEPASType | Caution | Alert | RADC_a051 - mismatch EPAS Type Tesla alert code in the Radar Controller (RADC) module. Unexpected SW Reset |
| RADC_a052 RADC_a052_mismatcRadPos | Caution | Alert | RADC_a052 - mismatc Rad Pos Tesla alert code in the Radar Controller (RADC) module related to mismatc rad pos. |
| RADC_a053 RADC_a053_emError | Caution | Alert | RADC_a053 - em Error Tesla alert code in the Radar Controller (RADC) module related to em error. |
| RADC_a054 RADC_a054_blockageInfo_Frame_1 | Caution | Alert | RADC_a054 - blockage Info Frame 1 Tesla alert code in the Radar Controller (RADC) module. The radar is blocked. This alert is primarily informational for radar blockage detection and pertains to the first frame of sensor blockage parameters. ECU Internal fault - Software Executed Unreached Code ECU Internal fault - SPI Fault Rx/Tx Received Radar Location Does Not Match Learned Parameter ECU internal fault - NVM Failure, replace sensor ECU Internal Under Temperature - The Radar internal NTC has detected below than normal temperature When the radar internal temp exceeds the lower temperature threshold. Radar functions will be disabled due to low operating temperature Radar Never Aligned - The radar has never been aligned Always set on new radars by default. |
| RADC_a055 RADC_a055_blockageInfo_Frame_2 | Caution | Alert | RADC_a055 - blockage Info Frame 2 Tesla alert code in the Radar Controller (RADC) module. The radar is blocked. This alert is primarily informational for radar blockage detection and pertains to the second frame of sensor blockage parameters. |
| RADC_w001 RADC_w001_can1BusOff | Warning | Warning | RADC_w001 - can1Bus Off Tesla warning code in the Radar Controller (RADC) module. The radar module reports an error with the secondary controller area network (CAN) bus. Too many CAN errors were detected, and the CAN transceiver was switched off. |
| RADC_w002 RADC_w002_ecuAdcError | Warning | Warning | RADC_w002 - ECU ADC Error Tesla warning code in the Radar Controller (RADC) module. There is an issue with one of the radar's internal analog / digital converters (ADCs). |
| RADC_w003 RADC_w003_ecuBistDisabled | Warning | Warning | RADC_w003 - ECU Bist Disabled Tesla warning code in the Radar Controller (RADC) module. This alert is set when the memory built-in self-test (MBIST) of the radar module is disabled. |
| RADC_w004 RADC_w004_ecuCrcHwError | Warning | Warning | RADC_w004 - ECU Crc HW Error Tesla warning code in the Radar Controller (RADC) module. This alert indicates that there is an error in the cyclic redundancy check (CRC) module of the radar. |
| RADC_w005 RADC_w005_ecuEcuMError | Warning | Warning | RADC_w005 - ECU ECU M Error Tesla warning code in the Radar Controller (RADC) module. There is an internal issue in the radar module. |
| RADC_w006 RADC_w006_ecuFimError | Warning | Warning | RADC_w006 - ECU Fim Error Tesla warning code in the Radar Controller (RADC) module. There is an internal firmware issue with the radar module. |
| RADC_w007 RADC_w007_ecuGptCheckError | Warning | Warning | RADC_w007 - ECU Gpt Check Error Tesla warning code in the Radar Controller (RADC) module. There is an internal hardware issue with the radar module. |
| RADC_w032 RADC_w032_sensorBlocked | Warning | Warning | RADC_w032 - sensor Blocked Tesla warning code in the Radar Controller (RADC) module. This alert is set when the radar sensor is blocked. This alert is cleared when the radar blockage is cleared. |
| RADC_w035 RADC_w035_vinMIA | Warning | Warning | RADC_w035 - VIN MIA Tesla warning code in the Radar Controller (RADC) module. This alert is set when the Vehicle Identification Number (VIN) message is not received. This alert is cleared when the message is received. The radar has no received the DAS_VIN message from the Driver's Assistance System (DAS) Electronic Control Unit (ECU).? |
| RADC_w036 RADC_w036_carConfigMIA | Warning | Warning | RADC_w036 - car Config MIA Tesla warning code in the Radar Controller (RADC) module. This alert is set when the DAS_carConfig message is not received. This alert is cleared when the message is received. The radar has not received the DAS_carConfig message from the Driver's Assistance System (DAS) Electronic Control Unit (ECU).? |
| RADC_w038 RADC_w038_steeringWheelAngleMIA | Warning | Warning | RADC_w038 - steering Wheel Angle MIA Tesla warning code in the Radar Controller (RADC) module. This alert is set when the DAS_vehicleSTateAngle message is not received. This alert is cleared when the message is received. The radar has not received the DAS_SteeringWheelAngle message from the Driver's Assistance System (DAS) Electronic Control Unit (ECU).? |
| RADC_w039 RADC_w039_vehicleStateMIA | Warning | Warning | RADC_w039 - vehicle State MIA Tesla warning code in the Radar Controller (RADC) module. This alert is set when the DAS_vehicleState message is not received. This error is cleared when the message is received. The radar has not received the DAS_vehicleState message from the Driver's Assistance System (DAS) Electronic Control Unit (ECU). |
| RADC_w040 RADC_w040_wheelSpeedsMIA | Warning | Warning | RADC_w040 - wheel Speeds MIA Tesla warning code in the Radar Controller (RADC) module. This alert is set when the DAS_wheelSpeeds message from the Driver's Assistance System (DAS) Electronic Control Unit (ECU) was not received by the radar. This alert is cleared when the message is received again.? |
| RADC_w041 RADC_w041_vinErr | Warning | Warning | RADC_w041 - VIN Err Tesla warning code in the Radar Controller (RADC) module. This alert is set when there is an error in the DAS_VIN message from the Driver's Assistance System (DAS) Electronic Control Unit (ECU) received by the radar. This alert is cleared when the message is received as expected.? |
| RADC_w042 RADC_w042_carConfigErr | Warning | Warning | RADC_w042 - car Config Err Tesla warning code in the Radar Controller (RADC) module. This alert is set when there is an error in the DAS_carConfig message from the Driver's Assistance System (DAS) Electronic Control Unit (ECU) received by the radar. This alert is cleared when the message is received as expected.?? |
| RADC_w043 RADC_w043_inertialSignalsErr | Warning | Warning | RADC_w043 - inertial Signals Err Tesla warning code in the Radar Controller (RADC) module. This alert is set when there is an error in the DAS_inertialSignals message from the Driver's Assistance System (DAS) Electronic Control Unit (ECU) received by the radar. This alert is cleared when the message is received as expected. |
| RADC_w045 RADC_w045_vehicleStateErr | Warning | Warning | RADC_w045 - vehicle State Err Tesla warning code in the Radar Controller (RADC) module. This alert is set when there is an error in the DAS_vehicleState ?message from the Driver's Assistance System (DAS) Electronic Control Unit (ECU) received by the radar. This alert is cleared when the message is received as expected.?? |
| RADC_w046 RADC_w046_wheelSpeedsErr | Warning | Warning | RADC_w046 - wheel Speeds Err Tesla warning code in the Radar Controller (RADC) module. This alert is set when there is an error in the DAS_wheelSpeeds message from the Driver's Assistance System (DAS) Electronic Control Unit (ECU) received by the radar. This alert is cleared when the message is received as expected.?? |
| RADC_w047 RADC_w047_mismatchChassisType | Warning | Warning | RADC_w047 - mismatch Chassis Type Tesla warning code in the Radar Controller (RADC) module. The Chassis Type on the CAN does not match the learned parameter. This alert is cleared when the chassis Type matches. The Chassis type learned via the Plant Mode routine is not the same as the value received on CAN. |
| RADC_w048 RADC_w048_mismatchAirSuspension | Warning | Warning | RADC_w048 - mismatch Air Suspension Tesla warning code in the Radar Controller (RADC) module. The air suspension type on CAN does not match the learned parameter. This alert is cleared when the air suspension type is matched. Air suspension type learned via the plant mode routine is not the same as the value received on CAN. |
| RADC_w049 RADC_w049_mismatchFourWheelDrive | Warning | Warning | RADC_w049 - mismatch Four Wheel Drive Tesla warning code in the Radar Controller (RADC) module. The Drive Train Type can CAN does not match the learned parameter. This alert is cleared when the drive train type is matched. The Drive Train type learned via the Plant Mode routine is not the same as the value received on the CAN. |
| RADC_w050 RADC_w050_mismatchCountry | Warning | Warning | RADC_w050 - mismatch Country Tesla warning code in the Radar Controller (RADC) module. The Country Code on CAN does not match the matched learned parameter. This alert is cleared when the country code is matched. The Country Code learned via the Plant Mode routine is not the same as the value received on CAN. |
| RADC_w052 RADC_w052_mismatcRadPos | Warning | Warning | RADC_w052 - mismatc Rad Pos Tesla warning code in the Radar Controller (RADC) module. The radar position on the CAN does not match the learned parameter. This alert is cleared when the radar position is matched. The radar position learned via the Plant Mode routine is not the same as the value received on the CAN. |