TESLA Chassis

Tesla SCCM Alert Codes

Steering Column Control Module reference page with 29 Tesla alert codes, 9 detailed descriptions, severity counts, and diagnostic context.

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Critical
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Warning
29
Caution
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Info

What the SCCM system covers

Steering Column Control Module alerts belong to Tesla's proprietary diagnostic alert system and are grouped under the chassis category.

Read all active alerts together instead of diagnosing a single code in isolation.
Check recent service, firmware updates, and low-voltage battery condition.
Use Tesla Service or a qualified EV technician for safety-critical systems.

Alert type breakdown

Alert 29

Tesla SCCM code list

Rows with a linked code have a dedicated detail page.

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Code Severity Type Description
SCCM_a001
SCCM_a001_CANBusOff
Caution Alert
SCCM_a001 - CAN Bus Off

Tesla alert code in the Steering Column Control Module (SCCM) module related to can bus off.

SCCM_a002
SCCM_a002_CANTOut
Caution Alert
SCCM_a002 - CANT Out

Tesla alert code in the Steering Column Control Module (SCCM) module related to cant out.

SCCM_a003
SCCM_a003_highBeamOpen
Caution Alert
SCCM_a003 - high Beam Open

Tesla alert code in the Steering Column Control Module (SCCM) module related to high beam open.

SCCM_a004
SCCM_a004_highBeamShortToGND
Caution Alert
SCCM_a004 - high Beam Short To GND

Tesla alert code in the Steering Column Control Module (SCCM) module related to high beam short to gnd.

SCCM_a005
SCCM_a005_tipWipeOpen
Caution Alert
SCCM_a005 - tip Wipe Open

Tesla alert code in the Steering Column Control Module (SCCM) module related to tip wipe open.

SCCM_a006
SCCM_a006_tipWipeShortToGND
Caution Alert
SCCM_a006 - tip Wipe Short To GND

Tesla alert code in the Steering Column Control Module (SCCM) module related to tip wipe short to gnd.

SCCM_a007
SCCM_a007_turnIndComInfo
Caution Alert
SCCM_a007 - turn Ind Com Info

Tesla alert code in the Steering Column Control Module (SCCM) module. Park Button Invalid Signal Park Button Malfunction

SCCM_a008
SCCM_a008_turnIndInvalidTrans
Caution Alert
SCCM_a008 - turn Ind Invalid Trans

Tesla alert code in the Steering Column Control Module (SCCM) module related to turn ind invalid trans.

SCCM_a009
SCCM_a009_turnIndOpen
Caution Alert
SCCM_a009 - turn Ind Open

Tesla alert code in the Steering Column Control Module (SCCM) module related to turn ind open.

SCCM_a010
SCCM_a010_turnIndShortToGnd
Caution Alert
SCCM_a010 - turn Ind Short To Gnd

Tesla alert code in the Steering Column Control Module (SCCM) module. Park Button Short to Ground Park Button Open Circuit Gear Stalk Short Circuit

SCCM_a011
SCCM_a011_turnIndHWErr
Caution Alert
SCCM_a011 - turn Ind HW Err

Tesla alert code in the Steering Column Control Module (SCCM) module related to turn ind hw err.

SCCM_a012
SCCM_a012_turnGenErr
Caution Alert
SCCM_a012 - turn Gen Err

Tesla alert code in the Steering Column Control Module (SCCM) module related to turn gen err.

SCCM_a013
SCCM_a013_voltageHigh
Caution Alert
SCCM_a013 - voltage High

Tesla alert code in the Steering Column Control Module (SCCM) module related to voltage high.

SCCM_a014
SCCM_a014_voltageLow
Caution Alert
SCCM_a014 - voltage Low

Tesla alert code in the Steering Column Control Module (SCCM) module. Gear Stalk Open Circuit Gear Stalk Signal Invalid

SCCM_a015
SCCM_a015_softwareError
Caution Alert
SCCM_a015 - software Error

Tesla alert code in the Steering Column Control Module (SCCM) module related to software error.

SCCM_a016
SCCM_a016_hardwareError
Caution Alert
SCCM_a016 - hardware Error

Tesla alert code in the Steering Column Control Module (SCCM) module related to hardware error.

SCCM_a017
SCCM_a017_memoryError
Caution Alert
SCCM_a017 - memory Error

Tesla alert code in the Steering Column Control Module (SCCM) module related to memory error.

SCCM_a018
SCCM_a018_angleSpeedOutOfRange
Caution Alert
SCCM_a018 - angle Speed Out Of Range

Tesla alert code in the Steering Column Control Module (SCCM) module. Steering Angle Sensor Speed Threshold Exceeded Supercharger timed-out during the voltage matching part of the sequence Voltage matching took too long to occur and the Supercharger timed out Voltage matching is successful and vehicle closes FC contactors Vehicle will not close FC contactors and charging will not start up. Supercharger measuered a low isolation measurement while connected to the vehicle. Supercharger isolation measurement result was less than the fault threshold Supercharger isolation measurement result is greater than the fault threshold Breakdown of isolation on the Supercharger or Vehicle's HV link. Supercharger did not receive all of the expected messages from the BMS. All BMS messages where received by the Supercharger. An emergency shutdown can occur while charging, or charging may never start up. Could not determine the status of the Proximity connection between the vehicle and the Supercharger Proximity Voltage is not within any valid range while connected to a Supercharger. Proximity returns to a valid value. Supercharger detected a voltage arc, either legitimately, or as a result of the HV circuit being opened under load. Supercharger detects a rapid change in energy on the HV bus, matching the signiture for an arc Supercharger has shutdown or been disconnected. May result in thermal damage to components, or welding/fatigue on FC contactors.

SCCM_a019
SCCM_a019_angleSpeedAboveLimit
Caution Alert
SCCM_a019 - angle Speed Above Limit

Tesla alert code in the Steering Column Control Module (SCCM) module. Steering angle of greater than 720deg detected, vehicle lock-to-lock is 375deg Turn indicator stalk sensor shorted to ground

SCCM_a020
SCCM_a020_angleInternalError
Caution Alert
SCCM_a020 - angle Internal Error

Tesla alert code in the Steering Column Control Module (SCCM) module related to angle internal error.

SCCM_a021
SCCM_a021_gearStalkSignalInvalid
Caution Alert
SCCM_a021 - gear Stalk Signal Invalid

Tesla alert code in the Steering Column Control Module (SCCM) module. Turn indicator stalk sensor is open circuit The turn signal lever is in an intermediate position. It is debounced for 1 second This alert is for logging purposes only. The vehicle is operating as expected when the alert is present

SCCM_a022
SCCM_a022_gearStalkOpenCircuit
Caution Alert
SCCM_a022 - gear Stalk Open Circuit

Tesla alert code in the Steering Column Control Module (SCCM) module related to gear stalk open circuit.

SCCM_a023
SCCM_a023_gearStalkShortCircuit
Caution Alert
SCCM_a023 - gear Stalk Short Circuit

Tesla alert code in the Steering Column Control Module (SCCM) module. Steering Stalk Module input power supply detected above 17.3V for 15 seconds ADC channel signals change in an order that should not be possible under normal operation Left Stalk Tip Wipe Short to Ground High Beam Stalk Short to Ground Left Stalk Tip Wipe Open Circuit, ADC reads 5V Steering Stalk Module input power supply detected below 7.1V for 15 seconds

SCCM_a024
SCCM_a024_gearStalkGenErr
Caution Alert
SCCM_a024 - gear Stalk Gen Err

Tesla alert code in the Steering Column Control Module (SCCM) module. Gear Stalk Generic Error

SCCM_a025
SCCM_a025_runTimeError
Caution Alert
SCCM_a025 - run Time Error

Tesla alert code in the Steering Column Control Module (SCCM) module related to run time error.

SCCM_a026
SCCM_a026_parkButtonInvalidSignal
Caution Alert
SCCM_a026 - park Button Invalid Signal

Tesla alert code in the Steering Column Control Module (SCCM) module related to park button invalid signal.

SCCM_a027
SCCM_a027_parkButtonOpenCircuit
Caution Alert
SCCM_a027 - park Button Open Circuit

Tesla alert code in the Steering Column Control Module (SCCM) module related to park button open circuit.

SCCM_a028
SCCM_a028_parkButtonShortToGround
Caution Alert
SCCM_a028 - park Button Short To Ground

Tesla alert code in the Steering Column Control Module (SCCM) module related to park button short to ground.

SCCM_a029
SCCM_a029_parkButtonMalfunction
Caution Alert
SCCM_a029 - park Button Malfunction

Tesla alert code in the Steering Column Control Module (SCCM) module. Turn indicator stalk sensor hardware error