Alerts
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| Signal Name | Description | Condition | Impact |
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High Voltage Interlock Loop (HVIL) circuitry self-test detected an internal short.
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The vehicle does not detect a disconnect along the HVIL during a self-test.
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The HVIL cannot identify when there is a disconnect.
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One or more of the messages the vehicle controller receives periodically from the supermanifold vehicle controller (VCSUPER) is not received, indicating the VCSUPER may be unavailable (MIA).
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The vehicle controller does not receive one or more of the expected messages from the VCSUPER within the expected time frame.
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Vehicle functions that depend on the VCSUPER may be unavailable or may not function as expected.
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BMS node is Missing-in-Action (MIA) on THERMAL CAN bus.
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Any consumed BMS frame is missing.
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Inverter may not execute BMS commands.
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One of the gate driver power supplies expired its available retries.
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The internal gate drive power supply had to shut down too many consecutive times. The compressor is aborting retries to prevent possible additional hardware damage.
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The HV compressor will stop operating as power to the corresponding gate driver becomes insufficient.
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The HV Compressor had a loss of motor control causing the compressor to stop spinning.
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Motor control lost control due to the speed dropping below a minimum threshold or from system disturbances.
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Compressor will stop momentarily.
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At least one of the gate driver power supplies had to shut down due to an electrical condition.
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At least one gate drive power supply is reporting power not good via its PGOOD pin.
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Compressor will not operate if power to any gate driver is insufficient.
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The motor is operating at high phase currents and risks overheating.
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The motor is operating at high phase currents for more than 10 seconds.
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Compressor may overheat and shutdown.
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At least one of the temperature sensors has reached the overtemp warning threshold.
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At least one temperature sensor is above the respective warning temperature threshold.
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Compressor may shut down if temperature sensors continue to rise in temperature.
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High Voltage (HV) compressor does not start multiple times and does not reach the target speed.
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Compressor is unable to start 5 times during a power cycle.
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Loss of HVAC heating and cooling. Compressor does not operate for the remainder of the power cycle.
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The HV Compressor failed to start and reach the target speed.
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While trying to start, the HV Compressor was not able to spin and reach its target speed.
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The HV Compressor will not produce the required pressure for the duration of this alert.
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At least one of the temperature sensors is detecting an overtemperature. Compressor will be shutting down.
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At least one temperature sensor is sensing a temperature above the maximum temperature threshold.
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Compressor will not operate.
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The HV bus voltage is too low for the compressor to start.
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HV bus voltage is below minimum operating voltage.
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Compressor will stay in standby.
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VCRIGHT node is Missing-in-Action (MIA) on THERMAL CAN bus.
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Any consumed VCRIGHT frame is missing.
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Inverter may not execute VCRIGHT commands.
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The compressor high voltage powerstage gate drivers reported an electrical condition preventing their operation.
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Any gate driver is reporting an electrical condition affecting its functionality.
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The compressor will not operate.
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The internal 1V2 supply has an overvoltage condition.
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1V2 supply rises above upper voltage limit
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The processor may stop operating if this condition continues or worsens.
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The internal 1V2 supply has an undervoltage condition.
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The 1V2 supply drops below the lower voltage limit.
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The processor may reboot or stop operating if the condition worsens.
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The internal 3V3 supply voltage has an overvoltage condition.
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The 3V3 supply rises above the upper voltage limit.
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The compressor hardware may get damaged. Sensors may report incorrect values.
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The internal 3V3 supply voltage is too low.
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The 3V3 supply voltage drops below the lower voltage limit.
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The compressor processor may shut down. Sensors may provide incorrect readings.
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The 12V supply of the compressor is above the maximum expected value.
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The 12V supply rises above the upper voltage limit of 20.5V.
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The compressor hardware may be damaged as a result of an overvoltage condition.
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The 12V supply of the compressor is below the minimum expected value.
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12V supply drops below lower voltage limit of 9V.
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This alert is for diagnostic purposes only. The compressor may reset or stop operating as a result of this undervoltage.
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