Low-voltage battery vehicle controller alerts

VCBATT1 alert codes

Showing 51–100 of 254

• VCBATT1_a105 — TAS MIA VCBATT1_a105_TAS_MIA One or more of the messages the vehicle controller receives periodically from the Tesla Air Suspension (TAS) electronic control unit (ECU) is not received, indicating the TAS ECU may be unavailable (MIA).
• VCBATT1_a106 — PCS MIA VCBATT1_a106_PCS_MIA One or more of the messages the vehicle controller receives periodically from the power conversion system (PCS) electronic control unit (ECU) is not received, indicating the PCS ECU may be unavailable (MIA).
• VCBATT1_a107 — BMS MIA VCBATT1_a107_BMS_MIA One or more of the messages the vehicle controller receives periodically from the high voltage (HV) Battery Management System (BMS) electronic control unit (ECU) is not received, indicating the BMS ECU may be unavailable (MIA).
• VCBATT1_a108 — DIF MIA VCBATT1_a108_DIF_MIA One or more of the messages the vehicle controller receives periodically from the front drive inverter (DIF) electronic control unit (ECU) is not received, indicating the DIF ECU may be unavailable (MIA).
• VCBATT1_a109 — RCM MIA VCBATT1_a109_RCM_MIA One or more of the messages the vehicle controller receives periodically from the Restraint Control Module (RCM) electronic control unit (ECU) is not received, indicating the RCM ECU may be unavailable (MIA).
• VCBATT1_a110 — GTW MIA VCBATT1_a110_GTW_MIA One or more expected Controller Area Network (CAN) messages from the vehicle gateway (GTW) was not received. Vehicle functions that depend on CAN messages from the GTW may be unavailable, or their performance may be affected.
• VCBATT1_a111 — EPBR MIA VCBATT1_a111_EPBR_MIA One or more of the messages the vehicle controller receives periodically from the right Electronic Park Brake (EPBR) electronic control unit (ECU) is not received, indicating the EPBR ECU may be unavailable (MIA).
• VCBATT1_a112 — EPBL MIA VCBATT1_a112_EPBL_MIA One or more of the messages the vehicle controller receives periodically from the left Electronic Park Brake (EPBL) electronic control unit (ECU) is not received, indicating the EPBL ECU may be unavailable (MIA).
• VCBATT1_a113 — UI MIA VCBATT1_a113_UI_MIA One or more of the expected CAN messages from UI were not received.
• VCBATT1_a114 — ESP MIA VCBATT1_a114_ESP_MIA One or more expected Controller Area Network (CAN) messages from the Electronic Stability Program (ESP) electronic control unit (ECU) was not received. Stability and traction control functions may be unavailable, or their performance may b…
• VCBATT1_a115 — VCSEC MIA VCBATT1_a115_VCSEC_MIA One or more of the messages the vehicle controller receives periodically from the vehicle security controller (VCSEC) is not received, indicating the VCSEC may be unavailable (MIA).
• VCBATT1_a116 — VCRIGHT MIA VCBATT1_a116_VCRIGHT_MIA One or more of the messages the vehicle controller receives periodically from the right vehicle controller (VCRIGHT) is not received, indicating the VCRIGHT may be unavailable (MIA).
• VCBATT1_a117 — VCLEFT MIA VCBATT1_a117_VCLEFT_MIA One or more of the messages the vehicle controller receives periodically from the left vehicle controller (VCLEFT) is not received, indicating the VCLEFT may be unavailable (MIA).
• VCBATT1_a118 — VCFRONT MIA VCBATT1_a118_VCFRONT_MIA One or more of the messages the vehicle controller receives periodically from the front vehicle controller (VCFRONT) is not received, indicating the VCFRONT may be unavailable (MIA).
• VCBATT1_a119 — SCCM MIA VCBATT1_a119_SCCM_MIA One or more of the messages the vehicle controller receives periodically from the Steering Column Control Module (SCCM) is not received, indicating the SCCM may be unavailable (MIA).
• VCBATT1_a120 — DI DRIVE MIA VCBATT1_a120_DI_DRIVE_MIA One or more of the messages the vehicle controller receives periodically from the drive interface (DI) electronic control unit (ECU) is not received while the vehicle is in Drive, indicating the DI ECU may be unavailable (MIA).
• VCBATT1_a122 — ICR MIA VCBATT1_a122_ICR_MIA One or more expected controller area network (CAN) messages from the interior cabin radar (ICR) electronic control unit (ECU) was not received.
• VCBATT1_a124 — BB MIA VCBATT1_a124_BB_MIA One or more of the messages the vehicle controller receives periodically from the Brake Booster (BB) is not received, indicating the BB may be unavailable (MIA).
• VCBATT1_a125 — SCCM MIA VCBATT1_a125_SCCM_MIA One or more of the messages the vehicle controller receives periodically from the Steering Column Control Module (SCCM) is not received, indicating the SCCM may be unavailable (MIA).
• VCBATT1_a126 — EPAS3P MIA VCBATT1_a126_EPAS3P_MIA One or more of the messages the vehicle controller receives periodically from the Primary Electronic Power-Assisted Steering (EPAS3P) electronic control unit (ECU) is not received, indicating the EPAS3P ECU may be unavailable (MIA).
• VCBATT1_a127 — Vcleft eFuse Trip VCBATT1_a127_vcleftEFuseTrip The battery vehicle controller (VCBATT) detects a condition affecting the Brake Valve ECU EFuse circuit, preventing the vehicle from sleeping.
• VCBATT1_a129 — Epas1 eFuse Trip VCBATT1_a129_epas1EFuseTrip The battery vehicle controller (VCBATT) has opened the Low Voltage (LV) power feed circuit (eFuse) to the Electronic Power Steering Controller System 1 (EPAS1), interrupting power supply to EPAS1.
• VCBATT1_a130 — Autopilot1 eFuse Trip VCBATT1_a130_autopilot1EFuseTrip The battery vehicle controller (VCBATT) has opened the Low Voltage (LV) power feed circuit (eFuse) to the Autopilot 1 system, interrupting power supply to Autopilot 1.
• VCBATT1_a131 — PCSCOMMON MIA VCBATT1_a131_PCSCOMMON_MIA One or more of the messages the vehicle controller receives periodically from the power conversion system common interface (PCSCOMMON) electronic control unit (ECU) is not received, indicating the PCSCOMMON ECU may be unavailable (MIA).
• VCBATT1_a132 — iBooster eFuse Trip VCBATT1_a132_iBoosterEFuseTrip The battery vehicle controller (VCBATT) has opened the Low Voltage (LV) power feed circuit (eFuse) to the electromechanical brake booster (iBooster / IBST) controller, interrupting power supply to the iBooster (IBST).
• VCBATT1_a133 — BRAKE MIA VCBATT1_a133_BRAKE_MIA One or more of the messages the vehicle controller receives periodically from the brakes electronic control unit (ECU) is not received, indicating the BRAKE ECU may be unavailable (MIA).
• VCBATT1_a134 — Hv Contactors eFuse Trip VCBATT1_a134_hvContactorsEFuseTrip The battery vehicle controller (VCBATT) detects an eFuse overcurrent event (or a trip) on the High Voltage (HV) Contactors power feed.
• VCBATT1_a144 — EPAS3S MIA VCBATT1_a144_EPAS3S_MIA One or more of the messages the vehicle controller receives periodically from the Primary Electronic Power-Assisted Steering (EPAS3S) electronic control unit (ECU) is not received, indicating the EPAS3S ECU may be unavailable (MIA).
• VCBATT1_a164 — eFuse Lckout Missing VCBATT1_a164_eFuseLckoutMissing The battery vehicle controller (VCBATT) detects the voltage on the lockout circuit is not high enough when the front vehicle controller (VCFRONT) reports the lockout circuit active, indicating the eFuse lockout is not successfully asserted.
• VCBATT1_a165 — Unxpctd eFuse Lckout VCBATT1_a165_unxpctdEFuseLckout The battery vehicle controller (VCBATT) detects an eFuse lockout is active (via voltage measurement of the lockout circuit) when the front vehicle controller (VCFRONT) is not reporting an eFuse lockout is active.
• VCBATT1_a180 — DCDC Not Supporting LV Bus VCBATT1_a180_DCDCNotSupportingLVBus The low voltage (LV) bus and LV battery are not adequately supported by the power conversion system (PCS).
• VCBATT1_a182 — Replace LV Battery VCBATT1_a182_replaceLVBattery The Low Voltage (LV) battery needs to be replaced.
• VCBATT1_a183 — Replace LV Battery2 VCBATT1_a183_replaceLVBattery2 The Low Voltage (LV) battery needs to be replaced. This alert is intended to capture LV battery conditions and assist with diagnosis if primary alert replaceLVBattery cannot be logged by the vehicle Gateway (GTW) at time of initial occurre…
• VCBATT1_a188 — Sleep Failed VCBATT1_a188_sleepFailed The vehicle controller was not able to go to sleep.
• VCBATT1_a189 — IBSMIA VCBATT1_a189_IBSMIA One or more of the serial peripheral interface (SPI) messages the vehicle controller receives periodically from the Intelligent Battery Sensor (IBS) is not received, indicating the IBS may be unavailable (MIA).
• VCBATT1_a191 — Exit Drive Low LV Bus Voltage VCBATT1_a191_exitDriveLowLVBusVoltage An issue with the low voltage (LV) electrical system requires the vehicle to come to a stop immediately. The vehicle should enter graceful power-off (GPO) to exit drive, and a separate alert should indicate that condition.
• VCBATT1_a196 — Discnctd LV Battery VCBATT1_a196_discnctdLVBattery The low voltage (LV) battery is disconnected.
• VCBATT1_a204 — Undervoltage Loadshed Triggered VCBATT1_a204_undervoltageLoadshedTriggered Undervoltage loadshed protection initiated on the Battery Vehicle Controller (VCBATT). Low Voltage (LV) bridge is expected to be open until the protection clears.
• VCBATT1_a205 — Overvoltage Protection Triggered VCBATT1_a205_overvoltageProtectionTriggered Overvoltage bridge protection initiated on the Battery Vehicle Controller (VCBATT). Low Voltage (LV) bridge is expected to be open until the protection clears.
• VCBATT1_a212 — IBS Over Temp VCBATT1_a212_IBSOverTemp The intelligent battery sensor (IBS) is reporting a temperature value over 80 degrees C.
• VCBATT1_a213 — LV Overcharge VCBATT1_a213_LVOvercharge Over multiple discharge and recharge cycles, the low voltage (LV) battery has been overcharged by more than 5 Amp hours (Ah) compared to initial charge level. Indicates a condition affecting LV battery performance that makes replacement ne…
• VCBATT1_a215 — Self Test Orchestrator Debug VCBATT1_a215_selfTestOrchestratorDebug Indicates the status of the self-test orchestrator after running.
• VCBATT1_a216 — Power Cutoff Imminent VCBATT1_a216_powerCutoffImminent The front vehicle controller (VCFRONT) detects a power draw higher than expected from the left or right vehicle controller (VCLEFT / VCRIGHT) while in DRIVE or during a DC charging session.
• VCBATT1_a217 — LV Protection Self Test Invalid VCBATT1_a217_LVProtectionSelfTestInvalid A low voltage (LV) protection self-test result is invalid.
• VCBATT1_a219 — LV Volt Floor Rchd VCBATT1_a219_LVVoltFloorRchd The low voltage (LV) battery has reached its voltage floor before it has reached its Amp hour (Ah) budget. May indicate the LV battery has low charge capacity.
• VCBATT1_a220 — LV Unhealthy VCBATT1_a220_LVUnhealthy The LV system power or protection are compromised, driving is not recommended
• VCBATT1_a221 — Reverse Battery Fault VCBATT1_a221_reverseBatteryFault The reverse battery protection transistor is not in its nominal state / functioning as expected. This occurs when an abnormally high amount of current is detected flowing from the low voltage (LV) battery vehicle controller to the LV batte…
• VCBATT1_a223 — Bridge Overvoltage Self Test Failure VCBATT1_a223_bridgeOvervoltageSelfTestFailure The bridge overvoltage self-test on the Battery Vehicle Controller (VCBATT) is unsuccessful.
• VCBATT1_a224 — Overcurrent Loadshed Triggered VCBATT1_a224_overcurrentLoadshedTriggered Overcurrent loadshed protection has tripped on the Battery Vehicle Controller (VCBATT).
• VCBATT1_a225 — Overcurrent Self Test Failure VCBATT1_a225_overcurrentSelfTestFailure 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.