MyTeslaMate App

Signal Name	Description	Condition	Impact	Important
SCCM_a018_angleSpeedOutOfRange	Steering Column Control Module (SCCM) detected the steering angle sensor speed exceeded the threshold.	SCCM detected the steering angle sensor speed exceeded the threshold.	Alert is primarily informational and used for logging purposes.	No
SCCM_a018_ADCCalibrationError	The Analog-Digital Converter calibration reports an issue after powering up the Steering Column Control Module (SCCM). Steering may not operate as expected.	The Analog-Digital Converter calibration reports an issue in five attempts after powering up the SCCM.	Steering functionality may not operate as expected.	No
SCCM_a017_memoryError	Steering Column Control Module (SCCM) detected a steering stalk module memory error.	SCCM detected a steering stalk module hardware error.	Alert is primarily informational and used for logging purposes.	No
SCCM_a123_turnIndicatorStuckActive	Turn indicator stalk remained in an active position for greater than 60 seconds.	Turn indicator stalk remained in an active position for greater than 60 seconds.	Turn indicator stalk may not operate as expected.	No
SCCM_a124_turnIndicatorIdleInvalid	Turn indicator stalk reported idle but did not return to approximately 0 degrees within 60 seconds.	Turn indicator stalk reports idle but is not within -1 to +1 degrees for 60 seconds.	Turn indicator stalk may be more likely to activate uncommanded.	No
SCCM_a077_gearAngleNotPlausible	Steering Column Control Module (SCCM) detected an implausible gear angle	The difference between the expected gear 1 angle derived from gear 2 angle and actual gear 1 angle is greater than or equal to 7 deg	SCCM may not operate as expected.	No
SCCM_a079_chipTempOutOfRange	Alert for detecting if the chip junction temperature has exceeded 100 C	SCCM detected chip junction temperature over 100 C	Steering functionality may not operate as expected.	No
SCCM_a080_ADCSelfTestFailed	Alert for detecting if Analog-Digital Converter periodical self-test has failed	Analog-Digital Converter periodical self-test has failed	Steering functionality may not operate as expected.	No
SCCM_a125_turnIndicatorHallAngleMismatch	Turn indicator stalk angle calculated by the hall sensor differs from the angle calculated from the X/Y magnetic field vectors.	The angle calculated by the hall sensor differs from the angle calculated from the X/Y magnetic field vectors.	Turn indicator stalk may not operate as expected.	No
SCCM_a126_turnIndicatorHallMagOutOfRange	The magnitude of one or more of the turn indicator stalk hall sensor magnetic field vectors is out of the expected range.	The magnitude of the resultant, X, Y, or Z magnetic field vectors is out of the expected range.	Turn indicator stalk may not operate as expected.	No
SDCRE1L_a011_phaseCurrentOffset	At least one phase current sensor offset is outside of the expected limits.	Phase current sensor offset is higher or lower than expected limit.	Pyro disconnect may not function as expected.	No
SCM_a027_externalIsolationLow	Supercharger detected a low isolation measurement while connected to the vehicle.	Supercharger isolation measurement result was less than the fault threshold.	May cause breakdown of isolation on the Supercharger or vehicle High Voltage (HV) link.	No
SCM_a044_proximityRationality	The Supercharger Electronic Control Unit (ECU) detects proximity voltage in an unexpected range.	The Supercharger ECU detects that proximity voltage is outside of the expected range.	Charging will stop.	No
SCM_a074_isoVDiffHi	A Lower limit breach was identified in Supercharger isolation voltage input status.	Supercharger detected under threshold voltage values meant for exterior circuit isolation checks.	Supercharger hardware may be exposed to reduced efficiency and increased susceptibility to electromagnetic interference.	No
SCM_a076_bmsMIA	Supercharger did not receive all of the expected messages from the Battery Management System (BMS).	Supercharger did not receive all of the expected messages from the BMS.	An emergency shutdown can occur while charging, or charging may never start.	No
SCM_a078_voltageMatchTimeout	Stage allocation timed-out during the voltage matching part of the sequence.	Voltage matching took too long to complete and stage allocation timed out.	Stage will not connect to desired post, resulting in reduced power availability.	No
SCM_a091_voltageRiseDetection	Supercharger detected a voltage arc, either legitimately, or as a result of the High Voltage (HV) circuit being opened under load.	Supercharger detects a rapid change in energy on the HV bus, matching the signature for an arc.	May result in thermal damage to components, or welding/fatigue on Fast Charge (FC) contactors.	No
SCM_f027_externalIsolationLow	SCM_f027_externalIsolationLow		-	No
SCM_f044_proximityRationality	SCM_f044_proximityRationality		-	No
SCM_f074_isoVDiffHi	SCM_f074_isoVDiffHi		-	No

SCCM_a018_angleSpeedOutOfRange

Steering Column Control Module (SCCM) detected the steering angle sensor speed exceeded the threshold.

SCCM detected the steering angle sensor speed exceeded the threshold.

Alert is primarily informational and used for logging purposes.

No

SCCM_a018_ADCCalibrationError

The Analog-Digital Converter calibration reports an issue after powering up the Steering Column Control Module (SCCM). Steering may not operate as expected.

The Analog-Digital Converter calibration reports an issue in five attempts after powering up the SCCM.

Steering functionality may not operate as expected.

No

SCCM_a017_memoryError

Steering Column Control Module (SCCM) detected a steering stalk module memory error.

SCCM detected a steering stalk module hardware error.

Alert is primarily informational and used for logging purposes.

No

SCCM_a123_turnIndicatorStuckActive

Turn indicator stalk remained in an active position for greater than 60 seconds.

Turn indicator stalk may not operate as expected.

No

SCCM_a124_turnIndicatorIdleInvalid

Turn indicator stalk reported idle but did not return to approximately 0 degrees within 60 seconds.

Turn indicator stalk reports idle but is not within -1 to +1 degrees for 60 seconds.

Turn indicator stalk may be more likely to activate uncommanded.

No

SCCM_a077_gearAngleNotPlausible

Steering Column Control Module (SCCM) detected an implausible gear angle

The difference between the expected gear 1 angle derived from gear 2 angle and actual gear 1 angle is greater than or equal to 7 deg

SCCM may not operate as expected.

No

SCCM_a079_chipTempOutOfRange

Alert for detecting if the chip junction temperature has exceeded 100 C

SCCM detected chip junction temperature over 100 C

Steering functionality may not operate as expected.

No

SCCM_a080_ADCSelfTestFailed

Alert for detecting if Analog-Digital Converter periodical self-test has failed

Analog-Digital Converter periodical self-test has failed

Steering functionality may not operate as expected.

No

SCCM_a125_turnIndicatorHallAngleMismatch

Turn indicator stalk angle calculated by the hall sensor differs from the angle calculated from the X/Y magnetic field vectors.

The angle calculated by the hall sensor differs from the angle calculated from the X/Y magnetic field vectors.

Turn indicator stalk may not operate as expected.

No

SCCM_a126_turnIndicatorHallMagOutOfRange

The magnitude of one or more of the turn indicator stalk hall sensor magnetic field vectors is out of the expected range.

The magnitude of the resultant, X, Y, or Z magnetic field vectors is out of the expected range.

Turn indicator stalk may not operate as expected.

No

SDCRE1L_a011_phaseCurrentOffset

At least one phase current sensor offset is outside of the expected limits.

Phase current sensor offset is higher or lower than expected limit.

Pyro disconnect may not function as expected.

No

SCM_a027_externalIsolationLow

Supercharger detected a low isolation measurement while connected to the vehicle.

Supercharger isolation measurement result was less than the fault threshold.

May cause breakdown of isolation on the Supercharger or vehicle High Voltage (HV) link.

No

SCM_a044_proximityRationality

The Supercharger Electronic Control Unit (ECU) detects proximity voltage in an unexpected range.

The Supercharger ECU detects that proximity voltage is outside of the expected range.

Charging will stop.

No

SCM_a074_isoVDiffHi

A Lower limit breach was identified in Supercharger isolation voltage input status.

Supercharger detected under threshold voltage values meant for exterior circuit isolation checks.

Supercharger hardware may be exposed to reduced efficiency and increased susceptibility to electromagnetic interference.

No

SCM_a076_bmsMIA

Supercharger did not receive all of the expected messages from the Battery Management System (BMS).

Supercharger did not receive all of the expected messages from the BMS.

An emergency shutdown can occur while charging, or charging may never start.

No

SCM_a078_voltageMatchTimeout

Stage allocation timed-out during the voltage matching part of the sequence.

Voltage matching took too long to complete and stage allocation timed out.

Stage will not connect to desired post, resulting in reduced power availability.

No

SCM_a091_voltageRiseDetection

Supercharger detected a voltage arc, either legitimately, or as a result of the High Voltage (HV) circuit being opened under load.

Supercharger detects a rapid change in energy on the HV bus, matching the signature for an arc.

May result in thermal damage to components, or welding/fatigue on Fast Charge (FC) contactors.

No

SCM_f027_externalIsolationLow

-

No

SCM_f044_proximityRationality

-

No

SCM_f074_isoVDiffHi

-

No

Alerts

Alerts