Alerts
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| Signal Name | Description | Condition | Impact |
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The High Voltage Processor (HVP) has forced the Fast Charge (FC) contactors open despite the FC contactor state being closed.
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The HVP has forced the FC contactors open despite the FC contactor state being closed. Confirm specific set condition using alert log signal data.
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The HVP opened the FC contactors. The vehicle may not be able to Supercharge or DC charge.
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The High Voltage Processor (HVP) has forced the pack contactors open despite the pack contactor state being closed.
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The HVP has forced the pack contactors open despite the pack contactor state being closed. Confirm specific set condition using alert log signal data.
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The HVP opened the pack contactors. High voltage will be isolated to just the battery.
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The High Voltage Processor (HVP) is blocking the Fast Charge (FC) contactors from closing.
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The HVP is blocking the FC contactors from closing. Confirm specific set condition using alert log signal data.
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The FC contactors are unable to close. The vehicle will not be able to DC charge.
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Positive 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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Alerts if the HV pyro fuse is blown
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One of many critical HVP or BMS alert, log data contains the reason
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HV is disconnected
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Alerts if the HV pyro fuse is blown
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One of many critical HVP or BMS alert, log data contains the reason
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HV is disconnected
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Warns if the HVP detects unintended loss of contactor control (V or I)
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The HVP detects loss of contactor power or coil current
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The contactors opens unintentionally
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Warns if the CP version mismatch
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The CP version mismatch
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HVP cannot trust the CP indication, thus it is not safe to charge
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Warns if the HVP detects unintended loss of contactor control (V or I)
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The HVP detects loss of contactor power or coil current
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The contactors opens unintentionally
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Warns if the HVP detectes both BMS and Shunt MIA while pack contactors closed
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If the HVP detectes both BMS and Shunt MIA while pack contactors closed
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The pyro fuse will blow
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Warns if the ENS line is not connected to HVC
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The ENS line is not connected to HVC
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The crash signal may not be detected by HVP
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Warns if the pack voltage doesn't match approximately with sum of brick voltages
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The pack voltage doesn't match approximately with sum of brick voltages
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The contactors may not be allowed to close
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Warns if the BMS node is mia on HVS CAN
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The BMS node is mia on HVS CAN
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CAN messages are not received from BMS or other nodes on vehicle
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Negative contactor opened unexpectedly due to insufficient coil drive current.
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Contactor state exited ECONOMIZED because coil current was too low.
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Vehicle will stop charging.
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The High Voltage Processor (HVP) has detected a Fast Charge (FC) contactor has opened during a closed state.
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The HVP has detected a voltage drop across the FC contactor, low contactor coil FC current, and the auxiliary switch is open. This indicates a FC contactor has opened despite being in a closed state.
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The FC contactors will open. The vehicle may not be able to DC charge. The current charging session may be unexpectedly terminated as the FC contactors open.
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The High Voltage Processor (HVP) has detected a pack contactor has opened during a closed state.
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The HVP has detected a voltage drop across the contactor and low contactor coil current, indicating a pack contactor has opened despite being in a closed state.
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The pack contactor state will appear as open. The vehicle powertrain may unexpectedly lose high voltage power under load.
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The High Voltage Processor (HVP) has detected the Charge Port HV Interlock Loop (CPIL) has a condition affecting functionality.
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The HVP General Purpose Input/Output (GPIO) input has detected the CPIL has a condition affecting functionality.
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The Fast Charge (FC) link will not be allowed to charge. The vehicle may not charge as expected, or at all.
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The High Voltage Processor (HVP) detects a series arc at the negative pack contactor.
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The HVP detects a series arc at the negative pack contactor.
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The pyro fuse may blow. The vehicle may be unable to drive or charge.
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The High Voltage Processor (HVP) detects a series arc at the positive pack contactor.
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The HVP detects a series arc at the positive pack contactor.
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The pyro fuse may blow. The vehicle may be unable to drive or charge.
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Sets if an HVIL fault is detected. Contactors cannot close (car will no longer drive) if the contactors are currently open. If no repairs were performed and the alert clears on its own, there is risk of reoccurrence.
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The HVIL is broken or HVIL nodes are lower than expected
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Contactors will not close, it may open if vehicle not in drive
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