Alerts

Alerts

Signal Name Description Condition Impact
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
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
Electronic Parking Brake's learned configuration does not match the reported config from the gateway
Electronic Parking Brake HW type does not match HW type reported by gateway and 5 seconds have passed since gateway booted up
Hardware does not match current configuration, parking brake function may be degraded
DI requested unpark but PM didn't allow it
DI requests unpark and PM doesn't allow it within 40ms or is MIA
Fault or error occurred on the DI
If vehicle reaches 8.8kph, EPB will park
Vehicle speed of 8.8kph in free roll Mode
EPB is applied.
Electronic Parking Brake apply was interrupted during dynamic apply. Apply will be retried.
(unitFaultStatus == FAULT_STATUS_RETRY) && (stateRequest == ESM_DYNAMIC)
Electronic Parking Brake did not apply, it will retry applying and enter fault if retry fails
A request to change the HVC or Contactor power state has been denied.
Electronic Parking Brake Right detects high voltage lockout request timed out after 0.5 seconds
High Voltage control or contactor may be faulted
A request to change the DI power state has been denied.
Electronic Parking Brake Left detects drive inverter lockout request timed out after 0.5 seconds
Drive inverter may be faulted
The Electronic Parking Brake (EPB) reports the driver is leaving and parks the vehicle.
The EPB attempted to park due to the driver being detected as leaving.
The EPB will be applied.
Electronic Parking Brake was unable to release fully.
Electronic Parking Brake faulted during release && (nonterminal == TRUE)
Electronic Parking Brake may not be released, and caliper may be obstructed
Electronic Parking Brake apply failed.
Electronic Parking Brake faulted during apply && (nonterminal == TRUE) && (stateRequest != ESM_DYNAMIC)
Electronic Parking Brake may not be applied, and caliper may be obstructed
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
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
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
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
One Electronic Parking Brake (EPB) not applied, and road grade is too steep to secure vehicle with only one EPB
Only one Electronic Parking Brake (EPB) applied and grade too steep for one EPB to hold the vehicle
Car may not be secured by Electronic Parking Brake on current road grade, may be free rolling
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
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
Electronic Parking Brake was not able to determine caliper state on boot.
Caliper state saved is unknown, corrupted, or mismatches Electronic Parking Brake Monitor
Problem with initializing Electronic Parking Brake
Electronic Parking Brake apply was interrupted. Apply will be retried.
(unitFaultStatus == FAULT_STATUS_RETRY) && (csmRequest == apply) && (stateRequest != ESM_DYNAMIC)
Electronic Parking Brake did not apply, it will retry an apply and enter fault if retry fails