Alerts
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| Signal Name | Description | Condition | Impact | Important |
|---|---|---|---|---|
|
Tried to close positive contactor but failed because a voltage match was not maintained.
|
Contactor state timed out of PULLED_IN because a voltage match was not maintained.
|
Positive pack contactor will remain open.
|
No
|
|
|
Tried to close negative contactor but failed because the coil drive current was too low.
|
Contactor state timed out of PULLED_IN because of insufficient contactor coil current.
|
Negative pack contactor will remain open.
|
No
|
|
|
Tried to close positive contactor but failed because the coil drive current was too low.
|
Contactor state timed out of PULLED_IN because of insufficient contactor coil current.
|
Positive pack contactor will remain open.
|
No
|
|
|
Did not try to close negative contactor because a voltage match was not achieved.
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Contactor state is OPEN and the PULLED_IN state has been blocked for more than 10s because a required HV voltage match has not been achieved.
|
Negative pack contactor will remain open.
|
No
|
|
|
Did not try to close positive contactor because a voltage match was not achieved.
|
Contactor state is OPEN and the PULLED_IN state has been blocked for more than 10s because a required HV voltage match has not been achieved.
|
Positive pack contactor will remain open.
|
No
|
|
|
FC contactor opened unexpectedly due to insufficient contactor drive voltage.
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Contactor control state exited CLOSED because of insufficient contactor power voltage.
|
Vehicle will stop charging.
|
No
|
|
|
Contactor opened unexpectedly due to insufficient contactor drive voltage.
|
Contactor control state exited CLOSED because of insufficient contactor power voltage.
|
Vehicle may lose propulsion or be unable to support LV system.
|
No
|
|
|
FC contactor exited the economized state unexpectedly. Possibly insufficient coil drive current.
|
Contactor control state exited CLOSED because either of the contactors exited ECONOMIZED.
|
Vehicle will stop charging.
|
No
|
|
|
Pack contactor exited the economized state unexpectedly. Possibly insufficient coil drive current.
|
Contactor control state exited CLOSED because either of the contactors exited ECONOMIZED.
|
Vehicle may lose propulsion or be unable to support LV system.
|
No
|
|
|
Tried to close FC contactors but failed because a voltage match was not maintained.
|
Contactor control state exited CLOSING due to voltage match being lost.
|
FC contactors will remain open.
|
No
|
|
|
Tried to close pack contactors but failed because a voltage match was not maintained.
|
Contactor control state exited CLOSING due to voltage match being lost.
|
Pack contactors will remain open.
|
No
|
|
|
The Compressor (CMPT) High Voltage Interlock Loop (HVIL) status signal is not reporting to the High Voltage Battery (HVBATT) on the Controller Area Network (CAN).
|
The CMPT HVIL status signal is not received by HVBATT within its message cycle time.
|
Vehicle may be unable to enter drive and may be unable to charge.
|
No
|
|
|
The Compressor (CMPT) High Voltage Interlock Loop (HVIL) is reporting as unknown, breaking the overall High Voltage Battery (HVBATT) HVIL.
|
The CMPT HVIL is reported as unknown.
|
Vehicle may be unable to enter drive and may be unable to charge.
|
No
|
|
|
Sets immediately on SPI comms errors for visibility into the health of the comms interface
|
Communication error with the high-side shunt asic on single SPI
|
HsShuntAsicFault is at risk of being triggered soon
|
No
|
|
|
High-side passive pyro reference is out-of-tolerance
|
High-side passive pyro reference is out-of-tolerance
|
High-side passive pyro fuse thresholds are affected
|
No
|
|
|
High-side shunt bar temperature is too high
|
High-side shunt bar temperature is too high
|
High-side pack HV will be blocked. Shunt may become physically damaged.
|
No
|
|
|
High-side pyro squib resistance is too low.
|
The measured resistance between high-side pyro-P and pyro-N is lower than the minimum limit.
|
High-side pack High Voltage will be blocked, charge and drive may be unavailable.
|
No
|
|
|
The high-side shunt measurement asic has a SPI communication fault or other internal fault
|
Fault condition was set during SPI communications
|
High-side shunt readings are stale
|
No
|
|
|
Low-side passive pyro reference is out-of-tolerance
|
Low-side passive pyro reference is out-of-tolerance
|
Low-side passive pyro fuse thresholds are affected
|
No
|
|
|
Negative contactor is expected to be open but HV current is still present. Possible weld detected.
|
Contactor state timed out of OPENING (and transitioned to AUX_MISMATCH) due to HV current not being low enough to open contactors.
|
The pyro fuse may be deployed.
|
No
|