Low-voltage battery vehicle controller alerts
Browse 254 VCBATT1 alert codes and open an entry for its description and recorded conditions.
VCBATT1 alert codes
Showing 101–150 of 254
- VCBATT1_a226 — Overcurrent Self Test Channel Fast DBG VCBATT1_a226_overcurrentSelfTestChannelFastDBG Fast channel fault injection test during Battery Domain Overcurrent self-test did not pass, as a condition affecting the overcurrent protection on the Battery Domain was detected during the self-test.
- VCBATT1_a227 — Overcurrent Self Test Channel Medium DBG VCBATT1_a227_overcurrentSelfTestChannelMediumDBG Medium channel fault injection test during Battery Domain Overcurrent self-test did not pass, as a condition affecting the overcurrent protection on the Battery Domain was detected during the self-test.
- VCBATT1_a228 — Overcurrent Self Test Channel Slow DBG VCBATT1_a228_overcurrentSelfTestChannelSlowDBG Slow channel fault injection test during Battery Domain Overcurrent self-test did not pass, as a condition affecting the overcurrent protection on the Battery Domain was detected during the self-test.
- VCBATT1_a229 — LV Health Compromised VCBATT1_a229_LVHealthCompromised The Low-Voltage (LV) system reports an unhealthy state that may lead to compromised system power or protection.
- VCBATT1_a230 — Ingoing Overcurrent Self Test Failure VCBATT1_a230_ingoingOvercurrentSelfTestFailure The Battery Domain Overcurrent self-test did not pass, as a condition affecting the overcurrent protection on the Battery Domain was detected during the self-test.
- VCBATT1_a231 — Autopilot1 eFuse Trip During OTA VCBATT1_a231_autopilot1EFuseTripDuringOTA The battery vehicle controller (VCBATT) has opened the Low Voltage (LV) power feed circuit (eFuse) to the Autopilot 1 system, during an Over-the-Air (OTA) update, interrupting power supply to Autopilot 1.
- VCBATT1_a235 — Dual Power Loads Self Test Failure VCBATT1_a235_dualPowerLoadsSelfTestFailure The dual powered loads self-test on the Battery Vehicle Controller (VCBATT) did not complete successfully.
- VCBATT1_a236 — Hvc Dual Power Self Test Debug VCBATT1_a236_hvcDualPowerSelfTestDebug The dual powered loads self-test on the Battery Vehicle Controller (VCBATT) has ran.
- VCBATT1_a243 — LV Overcharge Instc VCBATT1_a243_LVOverchargeInstc After a single discharge and recharge cycle, the low voltage (LV) battery has been overcharged by more than 5 Amp hours (Ah) compared to initial charge level. If this continues, it may indicate a condition affecting LV battery performance…
- VCBATT1_a244 — Brake Valve ECU eFuse Trip VCBATT1_a244_brakeValveECUEFuseTrip The battery vehicle controller (VCBATT) detects a condition affecting the Brake Valve Electronics Control Unit (ECU) eFuse circuit
- VCBATT1_a245 — Sleep Bypass Fault VCBATT1_a245_sleepBypassFault The front vehicle controller (VCFRONT) detects a condition affecting the Sleep Bypass Buck Converter circuit, preventing the vehicle from sleeping.
- VCBATT1_a252 — Controller Wakeup VCBATT1_a252_controllerWakeup Data capture event on front controller wakeup.
- VCBATT1_a253 — Max Chrge Sssion Tmeout VCBATT1_a253_maxChrgeSssionTmeout The low voltage (LV) battery charge cycle was stopped before it reached either its Amp hour or current targets, as the maximum time period for a charging session timeout had been reached.
- VCBATT1_a256 — Nxppca9539 Fault VCBATT1_a256_nxppca9539Fault Unexpected fault in a PCA9539 chip
- VCBATT1_a258 — Resistance Estimation Run VCBATT1_a258_resistanceEstimationRun The test to capture the load current, battery temperature, voltage dip, pass/fail criteria.
- VCBATT1_a259 — LV Voltage Drop On High Load Current VCBATT1_a259_LVVoltageDropOnHighLoadCurrent The vehicle controller detects the low voltage (LV) battery voltage is lower than expected during a precharge event. When this occurs too many times, separate alerts will also be present to indicate precharging the high voltage (HV) bus ma…
- VCBATT1_a260 — Dead LV Battery VCBATT1_a260_deadLVBattery The vehicle controller detects the the low voltage (LV) battery may be overdischarged and no longer functional. This may indicate the LV battery has been damaged due to deep discharge, or it may indicate the LV battery voltage has dropped…
- VCBATT1_a275 — T LVBMS Bmb Communication VCBATT1_a275_TLVBMS_BmbCommunication The Low Voltage Battery Management System (LVBMS) detects a communication interruption in the Battery Monitoring Board (BMB) chain.
- VCBATT1_a276 — T LVBMS Bmb Data Integrity Loss VCBATT1_a276_TLVBMS_BmbDataIntegrityLoss The Low Voltage Battery Management System (LVBMS) detects a data integrity loss.
- VCBATT1_a277 — T LVBMS Bmb Status Reg Error VCBATT1_a277_TLVBMS_BmbStatusRegError A Battery Monitoring Board (BMB) device status register error indication has been detected
- VCBATT1_a278 — T LVBMS Bmb Hw Over Current Fault VCBATT1_a278_TLVBMS_BmbHwOverCurrentFault A Battery Monitoring Board (BMB) device detects a Hardware (HW) over current condition.
- VCBATT1_a297 — T LVBMS Bmb Hw Over Temperature Fault VCBATT1_a297_TLVBMS_BmbHwOverTemperatureFault A Battery Monitoring Board (BMB) device has detected an over temperature condition
- VCBATT1_a359 — Post POR Excessive Ah VCBATT1_a359_postPORExcessiveAh After a vehicle power-on-reset (POR), the vehicle controller detects the low voltage (LV) battery has consumed too many Amp hours (Ah) during its initial charge, indicating the LV battery was deeply discharged prior to the power-on-reset.
- VCBATT1_a362 — T LVBMS All Soc Correction Timeout VCBATT1_a362_TLVBMS_AllSocCorrectionTimeout A Low Voltage (LV) battery has a big initial SOC imbalance or a potential weak short in at least one brick
- VCBATT1_a363 — T LVBMS Bleed Based Weak Short VCBATT1_a363_TLVBMS_BleedBasedWeakShort A Low Voltage (LV) battery pack has a potential weak short detected
- VCBATT1_a370 — No LV Support Soc Too Low VCBATT1_a370_noLVSupportSocTooLow The high voltage (HV) battery state of charge (SOC) is not sufficient to complete a low voltage (LV) battery recharge cycle. The LV battery may become completely discharged, and the vehicle electrical system may have inadequate support.
- VCBATT1_a371 — Failure To Precharge Risk VCBATT1_a371_failureToPrechargeRisk Based on historical data, the vehicle controller determines there is a high probability the low voltage (LV) battery will not successfully precharge the high voltage (HV) bus.
- VCBATT1_a372 — T LVBMS Bmb Hw Over Voltage Fault VCBATT1_a372_TLVBMS_BmbHwOverVoltageFault A Battery Monitoring Board (BMB) device has detected an over voltage condition
- VCBATT1_a376 — Controller Wakeup Debug VCBATT1_a376_controllerWakeupDebug Debug Data capture event on front controller wakeup.
- VCBATT1_a379 — Shorted Cell Test Run Debug VCBATT1_a379_shortedCellTestRunDebug Capture info useful for debugging: the load current, lowest voltage, lowest unfiltered voltage, time spent below voltage threshold.
- VCBATT1_a387 — Shorted Cell Instc VCBATT1_a387_shortedCellInstc The low voltage (LV) battery has failed a test that checks for shorted battery cells. May indicate the LV battery has a shorted cell and is unable to fully support the LV electrical system. Note: A single failure of this test does not reli…
- VCBATT1_a388 — Shorted Cell VCBATT1_a388_shortedCell The low voltage (LV) battery has failed a test 5 times that checks for shorted battery cells. May indicate the LV battery has at least one shorted cell and is unable to fully support the LV electrical system. Note: A single failure of this…
- VCBATT1_a392 — T LVBMS Bmb Hw Under Voltage Fault VCBATT1_a392_TLVBMS_BmbHwUnderVoltageFault A Battery Monitoring Board (BMB) device has detected an under voltage condition
- VCBATT1_a400 — T LVBMS Bmb Vref Bad VCBATT1_a400_TLVBMS_BmbVrefBad The Low Voltage Battery Management System (LVBMS) detects that one or more Battery Monitoring Board (BMB) reference voltages are continuously out of bounds.
- VCBATT1_a401 — Dead LV Minimal Ah Discharged VCBATT1_a401_deadLVMinimalAhDischarged The vehicle controller has determined the low voltage (LV) battery is no longer functional, as it has reached a low measured voltage with minimal Amp hours discharged.
- VCBATT1_a402 — LV Battery Cannot Support Vehicle VCBATT1_a402_LVBatteryCannotSupportVehicle The vehicle controller has detected a condition where the low voltage (LV) battery is unable to support vehicle electrical systems. The vehicle is likely to shut down if high voltage (HV) battery support for vehicle electrical systems via…
- VCBATT1_a403 — Charge Exit Hard Current Limit VCBATT1_a403_chargeExitHardCurrentLimit Capture data about charge session ending.
- VCBATT1_a404 — Resistance Estimation Hard Failure VCBATT1_a404_resistanceEstimationHardFailure The low voltage (LV) battery internal resistance is too high, based on measured voltage being below the acceptable threshold during a resistance estimation test. Indicates LV battery replacement is necessary.
- VCBATT1_a405 — Dcr Data1 VCBATT1_a405_dcrData1 First part of Direct Current Resitance test results.
- VCBATT1_a406 — Dcr Data2 VCBATT1_a406_dcrData2 Second part of Direct Current Resitance test results.
- VCBATT1_a407 — Dcr Milli Ohms Above Threshold VCBATT1_a407_dcrMilliOhmsAboveThreshold The low voltage (LV) battery internal resistance is too high, based on a direct current internal resistance (DCR) calculation. Indicates LV battery replacement is necessary.
- VCBATT1_a408 — Standby Charge Profile Hard Exit VCBATT1_a408_standbyChargeProfileHardExit Capture data about opportunistic charge session ending.
- VCBATT1_a410 — LV Battery Data Collection1 VCBATT1_a410_LVBatteryDataCollection1 Capture the load current, battery temperature, voltage dip.
- VCBATT1_a411 — LV Battery Data Collection2 VCBATT1_a411_LVBatteryDataCollection2 Capture the load current, battery temperature, voltage dip.
- VCBATT1_a412 — Dcr Data3 VCBATT1_a412_dcrData3 Data captured during the extended portion of the DCR resistance estimation pulse.
- VCBATT1_a413 — T LVBMS Bmb Vref Warning VCBATT1_a413_TLVBMS_BmbVrefWarning Indicates a Battery Monitoring Board (BMB) reference voltage was out of bounds
- VCBATT1_a414 — Undervoltage Self Test Failure VCBATT1_a414_undervoltageSelfTestFailure The Battery Domain Undervoltage self-test did not pass. A condition affecting a load on the Battery Domain was detected during the self-test.
- VCBATT1_a415 — Undervoltage Self Test Stuck Off VCBATT1_a415_undervoltageSelfTestStuckOff One or more loads did not turn on during the Battery Domain Undervoltage self-test. Those loads will not be powered while in Drive.
- VCBATT1_a416 — T LVBMS Brick Over Discharged VCBATT1_a416_TLVBMS_BrickOverDischarged A battery pack brick voltage is below the over discharged voltage limit
- VCBATT1_a417 — T LVBMS Brick Over Voltage Fault VCBATT1_a417_TLVBMS_BrickOverVoltageFault A Low Voltage (LV) battery pack brick voltage is greater than the over voltage limit.