Alerts
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| Signal Name | Description | Condition | Impact |
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Center Console Control Module (CCCM) force sensor detects a press without any capacitive press.
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CCCM detects force sensor detects a press without any capacitive press.
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Capacitive touch functionality on CCCM may not operate as expected.
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The battery management system (BMS) has detected that the Complex Programmable Logic Device (CPLD) version is not supported by the current firmware (FW).
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The BMS detects that the CPLD version is not supported by the current firmware FW.
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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 an issue with the low voltage (LV) power supply to the contactors.
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The BMS detects that the input voltage from the LV system is too low.
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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 that there is a high voltage (HV) battery current sensor (shunt) error.
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The BMS detects a HV battery current sensor (shunt) is unable to trip its over current fault line.
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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 that there is an issue with the DC link voltage sensor.
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The BMS detects that there is an issue with the DC link voltage sensor.
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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 that the voltage of one or more bricks is above the warning threshold.
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The BMS detects that one or more bricks' voltage 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) has detected that there is an over-discharged brick.
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The BMS detects that the minimum brick voltage is below the 0% SOC OCV target while fully rested and with the contactors open.
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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 that a module is overheating.
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A thermistor reports a module temperature above the acceptable range.
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Power is reduced.
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A software tool (such as Toolbox) connected to the vehicle requests an action from the battery management system (BMS) that is either improperly requested or is not permitted in the current BMS state.
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A software tool improperly requests an action from the BMS or requests an action that is not permitted.
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The requested diagnostic function is not performed.
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An uncorrectable error has been detected in the OTP-EPROM register bank for a battery monitoring board (BMB).
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A BMB TI536 ASIC chip has set the ECC_ERR bit in the ALERT_STATUS register.
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OTP register(s) are not valid. The BMS will attempt to reset all of the TI536 ASICs and reenumerate them.
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The battery management system (BMS) has detected an issue with the voltage sensor harness (VSH) connector on the battery monitoring board (BMB).
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The BMS detects that the impedance of the VSH connector is above the limit threshold.
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The vehicle operates normally. This alert indicates that there may be an issue, and if impedance becomes too high the vehicle will not charge or drive (VOR).
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The Complex Programmable Logic Device (CPLD) of the High Voltage (HV) Battery Management System (BMS) detects a blind mate fault bit.
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The CPLD of the HV BMS detects a blind mate fault bit. The HVIL is on and HVIL voltage is greater than the blind mate alert threshold. The CPLD and the BMS concurrently detect the HVIL loop through the HV connector on the battery may not be connected.
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The HV connector on the battery pack is not connected to the HVIL loop. HVIL behavior may be affected.
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The vehicle detects a communication issue between the Battery Management System (BMS) and one or more of the Battery Monitor Boards (BMBs).
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One or more of the BMBs reports a communication issue to the BMS.
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This alert is primarily informational and is used for logging purposes. No expected impact on vehicle functionality.
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The battery management system (BMS) detects that there is low high voltage isolation when pack contactors are opened.
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The BMS detects that isolation dropped below the minimum threshold when pack contactors were open.
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Inability to charge, drive, or support the low voltage (LV) system
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A given brick has an alpha signal below the alert Alpha threshold.
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The computed alpha estimate for a brick is repeatedly below the alert Alpha threshold. Note: This Threshold comes via CAN from UI Data Field -> GTW -> BMS via MCU_dSocAlertThreshold.
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If set and MCU_dSocAlertEnable=1, max charge may be limited; see BMS_u029_dSoc_Limiting.
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The Fast Charge (FC) contactors are not ready for precharge.
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The FC contactors are welded or the reported charge port state does not meet the expected state.
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The vehicle is temporarily unable to charge.
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The battery management system (BMS) detects that the pack voltage does not match the sum of module voltages.
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The BMS detects that the pack voltage does not match the sum of module voltages.
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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 battery monitoring board (BMB) fails the wake up alarm self test.
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The BMS detects an issue with the BMB wake up alarm self-test.
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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 a brick voltage measurement that is inaccurate.
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A brick reports an inaccurate voltage measurement to the BMS. Alert log signal data provides information on the specific inconsistency.
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Inability to charge, drive, or support the low voltage (LV) system
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A battery monitoring board (BMB) detects that both of the thermistors on a module are reporting out-of-bounds temperatures.
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A battery monitoring board (BMB) detects that both of the thermistors on a module are reporting out-of-bounds temperatures.
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Inability to charge, drive, or support the low voltage (LV) system
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