Alerts
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| Signal Name | Description | Condition | Impact |
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he battery management system (BMS) has detected there is a mismatch between the sum of bricks of one module and the module voltage.
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The BMS detects there is a mismatch between the sum of bricks of one module and the module voltage.
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This alert is primarily informational and is used for logging purposes. It may indicate an issue with voltage sensing.
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The battery management system (BMS) has detected that the positive contactor is stuck or welded.
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The BMS detects that the positive contactor is stuck or welded.
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Inability to charge, drive, or support the low voltage (LV) system
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The battery management system (BMS) detects the GTW_frontDriveUnitType does not match the high voltage (HV) battery's expectations.
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The BMS detects the GTW_frontDriveUnitType does not match the HV battery's expectations.
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This alert is primarily informational and is used for logging purposes. It is usually triggered after an HV battery replacement.
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The battery management system (BMS) has detected that the negative contactor is stuck or welded.
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The BMS detects that the negative contactor is stuck or welded.
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Inability to charge, drive, or support the low voltage (LV) system
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The battery management system (BMS) has detected a potential battery monitoring board (BMB) hardware issue related to the analog-to-digital converter (ADC) voltage reference (VREF).
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The BMS has detected that several samples from the ADC do not match, which indicates a reference problem.
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This alert is primarily informational and is used for logging purposes.
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The battery management system (BMS) has detected a battery monitoring board (BMB) voltage reference is unstable.
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The BMS detects a BMB voltage reference is unstable.
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This alert is primarily informational.
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The battery management system (BMS) detects low high voltage (HV) isolation when pack contactors were closed.
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The BMS has detected that the HV isolation dropped below the minimum warning threshold multiple times in a short period.
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This alert is primarily informational and is used for logging purposes. It is intended to flag low isolation issues before they are serious enough to prevent driving.
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The battery management system (BMS) has detected that a brick is over-charged.
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The BMS detects that a brick voltage is over the maximum threshold.
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This alert is primarily informational and is used for logging purposes. It is intended to flag early overvoltage issues.
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The battery management system (BMS) has detected that pack contactor degradation has exceeded the maximum threshold.
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The BMS detects that the pack contactor stress estimate is above the warning limit threshold.
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This alert is primarily informational and serves as an early warning of pack contactor degradation.
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The battery management system (BMS) has detected that precharge was too slow to allow fast charge (FC).
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The BMS detects that the voltage on the DC link bus is rising slower than it should be.
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The vehicle cannot DC FC.
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The battery management system (BMS) has detected that contactors have undergone stress from a wide-open throttle (WOT) event.
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The BMS detects that contactors have undergone stress from a WOT event.
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This alert is primarily informational.
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The battery management system (BMS) detects a state of charge (SOC) imbalance between bricks associated with the same module.
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The BMS detects that the SOC imbalance between any two bricks associated with a module is above the warning threshold.
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This alert is primarily informational and is used for logging purposes.
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The Battery Management System (BMS) detects a state of charge (SOC) imbalance between modules.
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The BMS detects an SOC delta that is outside of the expected threshold between the minimum brick SOC and the average brick SOC of the pack, and the alert BMS_a164_Brick_SOC_Imbalance is not active.
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No expected impact on vehicle functionality.
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The battery management system (BMS) detects a high delta between the brick that needs the least amp hours (Ah) compared to the one that needs the most Ah.
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The BMS has detected that the difference between the brick that needs the least amp hours (Ah) compared to the one that needs the most is above the maximum threshold.
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This alert is primarily informational and is used for logging purposes. It may indicate a poorly balanced pack, which should go away after the pack is properly balanced.
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The battery management system (BMS) has detected that a module voltage sensor indicates voltage is too high.
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A module voltage sensor reports a voltage above the maximum threshold.
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Inability to charge
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The battery management system (BMS) has detected low isolation conditions during multiple drive cycles.
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The BMS detects that isolation is below the acceptable threshold over the course of multiple drive cycles.
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This alert is primarily informational.
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Center Console Control Module (CCCM) communication to Drive Inverter (DI) node is Missing In Action (MIA).
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CCCM detects DI is MIA.
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CCCM will be unable to communicate with DI.
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Center Console Control Module (CCCM) communication to front vehicle controller (VCFRONT) node is Missing In Action (MIA).
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CCCM detects VCFRONT is MIA.
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CCCM will be unable to communicate with VCFRONT.
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An overvoltage condition has been detected by the Center Console Control Module (CCCM). Low voltage battery detected over 17V for 10 seconds.
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CCCM detects low voltage battery over 17V for 10 seconds.
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Persistent overvoltage condition may lead to CCCM hardware damage.
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An undervoltage condition has been detected by the Center Console Control Module (CCCM). Low voltage battery detected under 8V for 10 seconds.
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CCCM detects low voltage battery under 8V for 10 seconds.
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Persistent undervoltage condition may lead to CCCM hardware damage.
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