Alerts
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| Signal Name | Description | Condition | Impact | Important |
|---|---|---|---|---|
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Electronic Parking Brake was not able to determine caliper state on boot.
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Caliper state saved is unknown, corrupted, or mismatches Electronic Parking Brake Monitor
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Problem with initializing Electronic Parking Brake
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No
|
|
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Electronic Parking Brake apply failed.
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Electronic Parking Brake faulted during apply && (nonterminal == FALSE)
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Electronic Parking Brake apply in progress will be stopped due to the fault, caliper may not be fully applied
|
No
|
|
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Electronic Parking Brake apply was interrupted. Apply will be retried.
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(unitFaultStatus == FAULT_STATUS_RETRY) && (csmRequest == apply) && (stateRequest != ESM_DYNAMIC)
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Electronic Parking Brake did not apply, it will retry an apply and enter fault if retry fails
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No
|
|
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The door latch had to be rehomed because of an unexpected movement in the latch's release motor.
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The latch is not performing a release but the home switch on the release actuator is deactivated.
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Until this alert clears, the door latch may spontaneously release.
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No
|
|
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The door latch had to be rehomed because of an unexpected movement in the latch's release motor.
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The latch is not performing a release but the home switch on the release actuator is deactivated.
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Until this alert clears, the door latch may spontaneously release.
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No
|
|
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The mechanical release was used to open the door.
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The mechanical release was used to open the door.
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Possible damage to window trim.
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No
|
|
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The battery voltage measurement, nominally 12 volts, was lower than expected.
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The vbat voltage measurement, is lower than 6.0 volts. If the measurement is lower than 0.25 volts, we do not set this alert, as this would indicated the switch supply is disabled.
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12V Battery or low voltage systems may be damaged
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No
|
|
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The battery voltage measurement, nominally 12 volts, was higher than expected.
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The vbat voltage measurement is higher than 18.5 volts.
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12V Battery or low voltage systems may be damaged
|
No
|
|
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The communication link between Electronic Parking Brake (EPB) and Electronic Parking Brake Monitor (EPBM) is not functioning as expected.
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Either the Cyclic Redundancy Check (CRC) check has not completed as expected, or a message has not been received for 100ms. Alert disabled during over-the-air (OTA) firmware updates.
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Electronic Parking Brake will not apply or release.
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No
|
|
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Electronic Parking Brake was unable to release due to fault.
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Electronic Parking Brake faulted during release && (nonterminal == FALSE)
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Electronic Parking Brake release in progress will be stopped due to the fault, caliper may not have fully released
|
No
|
|
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Electronic Parking Brake release was interrupted. Release will be retried.
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(unitFaultStatus == FAULT_STATUS_RETRY) && (csmRequest == release)
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Electronic Parking Brake did not release, it will retry a release and enter fault if retry fails
|
No
|
|
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HSD for seat heater has shorted
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HSD for front seat heater trips
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seat heater isn't functional
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No
|
|
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Hardware loadshed protection is initiated on the Vehicle Controller Left (VCLEFT). Non-critical loads are expected to be unavailable until the protection clears.
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The 16V bus reports an undervoltage or overcurrent condition on VCLEFT while the vehicle is in Drive.
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Non-critical loads unavailable in Drive.
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No
|
|
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The vehicle controller detects that the left headlight has not been aimed or requires re-aiming.
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A replacement left vehicle controller (VCLEFT) has been installed.
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The headlights may not properly illuminate the area in front of the vehicle or may dazzle oncoming drivers.
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No
|
|
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Customer facing alert issued when Electronic Parking Brake is applied at higher than 5mph
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Entry to states ESM_DYNAMIC, ESM_DYNAMIC_EXTERNAL, ESM_DYNAMIC_PENDING
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User facing notification that informs Electronic Parking Brake is dynamically applying
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No
|
|
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The vehicle controller detects the low voltage (LV) battery voltage is lower than expected during a precharge event. When this occurs too many times, separate alerts will also be present to indicate precharging the high voltage (HV) bus may not succeed and the LV battery may need replacement.
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An instant resistance check of the LV battery connections to the vehicle controller does not succeed (does not return a healthy result). Alert log signal data should provide more information on specifics, including load current, LV battery temperature, and any detected voltage dip.
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The LV battery may be unable to support vehicle electrical systems, including precharging the high voltage (HV) bus.
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No
|
|
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Electronic Parking Brake Monitor measured less current than is required for Electronic Parking Brake to transition to PARK.
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Electronic Parking Brake attempted to transition to PARK while Electronic Parking Brake Monitor had yet to measure the minumum current required to allow the transition.
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The caliper may not have the expected holding force.
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No
|
|
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Electronic Parking Brake has detected a vehicle speed condition that caused it to exit winch mode.
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While in winch mode, Electronic Parking Brake detects a speed class of fast or unknown.
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Vehicle exits winch mode and applies parking brakes.
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No
|
|
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The seat track motor is not calibrated, which may cause position recall to be unavailable.
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The seat track motor is detected as uncalibrated (calibrated state of the seat track motor is 0).
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Position recall may be unavailable, meaning the preset user preferences for seat positions may also be unavailable.
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No
|
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The bladder B has exceeded pressure limits
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Bladder pressure exceeds 1300hPa (absolute)
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Damage to bladder or valve block
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No
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