Alerts

Alerts

Signal Name Description Condition Impact Important
EPB's brake HW config is not compatible remote EPB's brake HW config
Remote EPB is present and local EPB has learnt brake HW config but is not compatible with remote brake HW config
Remote and local EPB brake HW config is incompatible, parking brake function may be degraded
No
Brake Disc Wipe algorithm is not running due to loss of input signal(s)
One or more of the BDW algorithms input signals is unavailable.
BDW attempted while car not in drive or input signals are being delayed
No
Electronic Parking Brake was attempting to dynamic park, Controlled Deceleration for Parking Brake is unavailable, and speed crossed above 8.8kph
EPB_unitStatus == EPB_STATUS_DYNAMIC_PARKING, and speed crosses above 8.8kph or acceleration is above 5mph/s
Car interrupted parking due to travelling at speed, Electronic Parking Brake not applied
No
will prevent EPB from parking when the driver leaves
EPB enters Free Roll Mode from UI request
Car will be free rolling
No
If vehicle reaches 8.8kph, EPB will park
Vehicle speed of 8.8kph in free roll Mode
EPB is applied.
No
Non user facing alert set for service set when winch mode is active
Enter ESM_WINCHMODE
Electronic Parking Brake will be released
No
Non-nominal termination of dynamic park
ESM_stateRequest transitions from ESM_DYNAMIC_PARK to any other state, while qualified speed > 0.8kph
Electronic Parking Brake not applied, car may be free rolling, Stability Control may have failed or is unavailable
No
Stability Control has begun Controlled Deceleration for Parking Brake
ESM_state == ESM_DYNAMIC_EXTERNAL
Stability Control is actuating, Electronic Parking Brake may be idle faulted
No
Stability Control reports Controlled Deceleration for Parking Brake is not available when car is in DRIVE
(ESP_cdpStatus == CDP_IS_NOT_AVAILABLE or VCLEFT/VCRIGHT_okayToRequestCDP == EPB_EXTERNAL_APPLY_INVALID) when VCFRONT_vehiclePowerState == VEHICLE_POWER_STATE_DRIVE
Electronic Parking Brake Monitor and/or Stability Control are faulted, Controlled Deceleration for Parking Brake cannot be performed
No
Electronic Parking Brake is performing dynamic apply
ESM_stateRequest == ESM_DYNAMIC
Unable to perform Controlled Deceleration for Parking Brake due to Stability Control failing or unavailable
No
User facing to warn that Electronic Parking Brake is in service mode and many Electronic Parking Brake features are disabled
EPB_unitStatus == SERVICE or SERVICE_RELEASING.
Electronic Parking Brake will not automatically apply.
No
Motor current was lower than expected
Motor current measurement, with calibration offset subtracted, was lower than 0.25 amps
Caliper could be disconnected or the harness is damaged.
No
Motor negative lead voltage is higher than expected while active
The negative lead voltage measurement is higher than expected. This could be higher than 0.1 voltages if motor is driven in apply direction, or higher than estimated PWM voltage if driven in the release direction.
Caliper motor or harness may be damaged
No
Customer facing alert for Electronic Parking Brake issues which occur when caliper is not moving
Electronic Parking Brake has idle fault, or CSM_RQST_INVALID/CSM_RQST_NONE during retry or fault
Electronic Parking Brake caliper motor may be disconnected (idle fault), or no csm requests during retry/fault
No
The Thigh Support Motor unexpectedly stalls
Current draw exceeds stall limit.
The motor may recalibrate if the stall is in an expected region.
No
Customer facing alert issued when Electronic Parking Brake is applied at higher than 5mph
Entry to states ESM_DYNAMIC, ESM_DYNAMIC_EXTERNAL, ESM_DYNAMIC_PENDING
User facing notification that informs Electronic Parking Brake is dynamically applying
No
The Thigh Support Motor is uncalibrated
The motor is uncalibrated
Seat position recall may be unavailable
No
The low voltage (LV) battery is no longer supported by the power conversion system (PCS) due to a condition affecting the LV system. The vehicle low voltage electrical system needs to shed electrical loads by cutting power to some systems / electronic control units (ECUs)
Low voltage (LV) battery is not supported by the power conversion system (PCS)
All nonessential features / components will no longer be available, with support reserved for critical functions like operating doors, windows, exterior lights, and front trunk (frunk).
No
The Thigh Support Motor traveled beyond the expected range
Seat position goes outside the acceptable range
Seat may be in an unstable position or a mechanism may failed
No
Road grade is too steep to secure with Park Brake
Attempt to engage parking brake when the vehicle is stopped on too steep a road grade for Electronic Parking Brake to secure the vehicle
Car may not be secured by Electronic Parking Brake on the current road grade, may be free rolling
No