Alerts
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| Signal Name | Description | Condition | Impact |
|---|---|---|---|
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Differential Locker (DFLK) current sensor is reporting an irrational value.
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DFLK current sensor reports a consistent irrational value
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DFLK is unable to properly sense current
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Position sensor has not yet been calibrated or calibration is corrupted.
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Calibration value is detected to be uninitialized or corrupted
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Differential Locker (DFLK) functionality will be disabled. Position sense will report as unknown.
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Torque trapped condition in differential locker detected.
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Differential locker has not qualified a full disengagement after seeing some axle speed in the disengaging state.
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Vehicle maneuverability affected until locker is able to disengage.
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Drive Inverter Warning: Phase A peak over current detected in hardware.
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Not Available
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Not Available
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Differential Locker (DFLK) power on self test failed.
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Coil resistance calculated during self test is out of nominal bounds
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DFLK may lose ability to control the coil
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At least one message the Differential Locker (DFLK) expects to receive from the Drive Inverter (DI) is not received.
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At least one message from the DI consumed by the DFLK is not received.
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DFLK may lose ability to control the coil
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Differential Locker (DFLK) measured coil current exceeds overcurrent limit.
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DFLK measured coil current exceeds expected current limit
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DFLK unable to properly control coil current
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A condition affecting a particular Differential Locker (DFLK) non-volatile memory (NVM) record is detected by the non-volatile memory manager.
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Non-volatile memory record not found, CRC mismatch, version mismatch, version upgrade.
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The particular non-volatile memory record may be incorrect or missing.
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A condition affecting Differential Locker (DFLK) non-volatile memory (NVM) is detected by the non-volatile memory manager.
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Non-volatile memory misconfiguration or underlying flash/filesystem error.
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Non-volatile memory records may be incorrect or missing.
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Drive Inverter (DI) controller area network (CAN) communication to the differential locker (DFLK) is missing (MIA).
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DFLK is not receiving all expected CAN frames from DI.
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DFLK coil unable to determine engagement state.
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Differential Locker (DFLK) Coil Position Sensor is reporting the exact same value repeatedly, indicating the sensor has been disconnected.
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DFLK Coil Position Sensor is consistently reporting values that are identical.
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DFLK unable to determine position.
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Differential Locker (DFLK) I2C communication with coil position sensor is missing (MIA).
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Inter-Integrated Circuit (I2C) communication between DFLK and the coil position sensor is lost.
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DFLK coil unable to determine position.
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Position sensor has not yet completed secondary post engagement calibration.
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No post-engagement calibration has been detected.
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Differential Locker (DFLK) position may report incorrectly after an engagement.
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Drive Inverter unit (DIx) controller area network (CAN) communication to the differential locker (DFLK) is missing (MIA).
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DFLK is not receiving all expected CAN frames from DIx.
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DFLK coil unable to communicate to the DIx.
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Differential Locker (DFLK) functionality is unavailable. Locker actuation disabled.
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A condition is present that causes DFLK to be unavailable.
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DFLK functionality disabled. Locker actuation disabled.
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Differential Locker (DFLK) coil position sensor has at least one conversion error.
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Any conversion error bit set in data register.
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DFLK may not function as expected.
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Differential Locker (DFLK) coil position sensor exceeds the maximum number of failures to correctly write to configuration registers.
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Number of failed write attempts to the configuration registers exceeds the maximum amount.
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DFLK may not function as expected.
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Differential Locker (DFLK) temperature sensor providing a value above threshold.
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Temperature sensor reads above threshold.
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DFLK may not function as expected.
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Differential Locker (DFLK) input voltage sensor providing a value above upper bound threshold.
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Input voltage sensor reads above upper bound threshold.
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DFLK may not function as expected.
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Differential Locker (DFLK) input voltage sensor providing a value below lower bound threshold.
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Input voltage sensor reads below lower bound threshold.
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DFLK may not function as expected.
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