Alerts
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| Signal Name | Description | Condition | Impact |
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The charge port (CP) electronic control unit (ECU) is detected as not operational, making the vehicle unable to charge.
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The charge port (CP) electronic control unit (ECU) is detected as not operational.
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Vehicle will be unable to charge.
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The PCS is MIA and the HVP is power cycling it in an attempt to recover it.
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The VC indicates that the conditions have been met to power cycle and the HVP has detected no CAN activity from the PCS
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The PCS will be power cycled and temporarily no longer support the LV system
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The high voltage processor (HVP) is not receiving messages from the vehicle gateway (GTW) on the high voltage system (HVS) controller area network (CAN). HVP functions that depend on messages from the GTW may be unavailable, or their performance may be affected.
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The high voltage processor (HVP) is not receiving messages from the vehicle gateway (GTW) on the high voltage system (HVS) controller area network (CAN).
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High voltage processor (HVP) functions that depend on messages from the vehicle gateway (GTW) may be unavailable, or their performance may be affected.
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The high voltage processor (HVP) is not receiving messages from the power conversion system (PCS) on the high voltage system (HVS) controller area network (CAN). HVP functions that depend on messages from the PCS may be unavailable, or their performance may be affected.
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The high voltage processor (HVP) is not receiving messages from the power conversion system (PCS) on the high voltage system (HVS) controller area network (CAN).
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High voltage processor (HVP) functions that depend on messages from the power conversion system (PCS) may be unavailable, or their performance may be affected.
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Warns if the CP node is mia on HVS CAN.
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The CP node is mia on HVS CAN
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CAN messages are not received from CP node
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Warns if the BMS node is mia on HVI CAN.
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The BMS node is mia on HVI CAN
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CAN messages are not received from BMS or other nodes on vehicle
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A communication interruption has been detected in the Battery Monitoring Board (BMB) chain.
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A communication issue with the BMB daisy chain is detected
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May indicate a loss of BMB sensor data
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Data integrity loss due to Battery Monitoring Board (BMB) chain double break.
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A prolonged communication issue with the BMB daisy chain that is known to cause a loss of BMB sensor data is detected
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BMB sensor data is likely being substituted to replace data missing due to the communication issue
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Warns if the voltage and temperature readings from primary BMB chain are mia.
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The voltage and temperature readings from primary BMB chain are mia
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The secondary bmb chain is used exclusively for voltage and temperature protoection
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A brick voltage is below minimum voltage limit.
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A brick voltage is below minimum voltage limit for X duration (in seconds)
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The conactors may open immdediately or pyro fuse may blow
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A brick voltage is above maximum voltage limit.
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A brick voltage is above maximum voltage limit
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The conactors may open immdediately or pyro fuse may blow
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A pack module temperature is above maximum temperature limit.
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A pack module temperature is above maximum temperature limit for X duration (in seconds)
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The conactors may open immdediately or pyro fuse may blow
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Warns if the pack current (discharge or charge) is above max current limit.
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The pack current (discharge or charge) is above max current limit.
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The pyro fuse will blow
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Warns if the pack charge current is above max charge current limit.
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The pack charge current is above max charge current limit for X duration (in msec)
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The DC charging will end and contactors may open immdediately or pyro may disconnect
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Warns if the pack discharge is above max discharge current limit.
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The pack current is above max discharge current limit for X duration (in msec)
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The contactors will open immdediately or pyro fuse may blow
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Warns if the crash signal is detected by HVP.
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The crash signal is detected by HVP
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The pyro fuse will blow
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High Voltage Battery Pack (HVPACK) reports the shunt bar temperature is lower than expected.
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Shunt bar temperature is outside the expected threshold.
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This alert is primarily informational and is used for logging purposes.
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Negative contactor is expected to be open but HV current is still present. Possible weld detected.
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Contactor state timed out of OPENING (and transitioned to AUX_MISMATCH) due to HV current not being low enough to open contactors.
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The pyro fuse may be deployed.
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Positive contactor is expected to be open but HV current is still present. Possible weld detected.
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Contactor state timed out of OPENING (and transitioned to AUX_MISMATCH) due to HV current not being low enough to open contactors.
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The pyro fuse may be deployed.
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Negative contactor is expected to be open but the voltage match remains. Possible weld detected.
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Contactor state timed out of OPENING (and transitioned to AUX_MISMATCH) due to a weld not having been disqualified.
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The pyro fuse may be deployed.
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