All Electric Vehicles (Tesla / Bolt) Fault Codes
113 Electric Vehicles (Tesla / Bolt) diesel fault codes. Click any code for causes, diagnostics, severity, and common fixes.
BOLT-P0ABB critical
HV Battery Voltage Sensor Performance Fault
BOLT-P0ABC critical
HV Battery Voltage Sensor Circuit Low Voltage
BOLT-P0AFA critical
High-Voltage Battery Pack Voltage Too Low
BOLT-P0C78 critical
HV Battery Precharge Circuit Takes Too Long
BOLT-P0D26 critical
Battery Charger Precharge Sequence Timeout Fault
BOLT-P1AE6 critical
HV Battery Isolation Sensor Circuit Fault
TESLA-BMS_A068 critical
High Voltage Battery Pack Overtemperature Warning
TESLA-BMS_A193 critical
High Voltage Pack Contactor Refused to Close
TESLA-HVP_A005 critical
High Voltage Contactor Open, Drivetrain Disabled
TESLA-HVP_A053 critical
High Voltage Contactor Not Switching Cleanly
TESLA-HVP_A090 critical
High Voltage Isolation Fault Detected
TESLA-STEERING_a021 critical
Electric Power Steering Assist Completely Unavailable
BOLT-P0BBD serious
Battery Pack Cell Voltage Variation Limit Exceeded
BOLT-P1B03 serious
Hybrid/EV Powertrain Control Module Performance Fault
BOLT-U3620 serious
High Voltage System Fault, Reduced Propulsion Power
BOLT-U3636 serious
High Voltage Network Fault or False DTC by Symptom Byte
TESLA-AP_A006 serious
Autosteer Disabled Due to Upstream Steering Fault
TESLA-AP_W058 serious
Autopilot Disabled Due to Blocked Cameras
TESLA-AP_W217 serious
Autopilot Suspended After Repeated Inattention Warnings
TESLA-BMS_a035 serious
Battery Cell Group Voltage Imbalance Detected
TESLA-BMS_A046 serious
Battery Pack Thermal Management System Fault
TESLA-BMS_A063 serious
Battery Pack Thermal Limit Exceeded During High-Demand Use
TESLA-BMS_a169 serious
Battery Max Charge Level Permanently Reduced
TESLA-BMS_A181 serious
Charging Suspended Due to Battery Cell Condition
TESLA-BMS_U008 serious
DC-DC Converter 12V Charging System Fault
TESLA-BMS_W061 serious
Battery Coolant Pump Fault Detected
TESLA-BUS_A157 serious
Vehicle Module Lost on CAN Network
TESLA-CHARGE_A043 serious
Charge Port Pin Temperature Exceeded Safe Threshold
TESLA-CHARGE_A142 serious
Charge Port Latch Stuck Open or Closed
TESLA-CHARGE_A160 serious
Charge Session Terminated High Voltage Fault
TESLA-DI_a004 serious
Vehicle Controller Lost Drive Unit Communication
TESLA-DI_A069 serious
DC-DC Converter Fault Detected in Drive Inverter
TESLA-DI_A116 serious
Drive Unit Motor and Inverter Over Temperature
TESLA-DI_A138 serious
Drive Inverter Fault Reduces Motor Output Power
TESLA-DI_A166 serious
Front Drive Unit Disabled, Rear Motor Only
TESLA-DI_A175 serious
Rear Drive Inverter Internal Fault Detected
TESLA-GTW_w038 serious
Gateway Module CAN Bus Communication Failure
TESLA-HVAC_a464 serious
Heat Pump Refrigerant or Valve Circuit Fault
TESLA-HVP_w024 serious
High Voltage Pack Power Delivery Degraded
TESLA-MCU_a035 serious
MCU eMMC Flash Storage Near End of Life
TESLA-PCS_A001 serious
Power Conversion System Internal Fault Detected
TESLA-POWER_A021 serious
DC-DC Converter Limiting 12V System Output
TESLA-STEERING_A020 serious
Electric Power Steering Assist Reduced
TESLA-SUSPENSION_A075 serious
Air Suspension Compressor Fault Detected
TESLA-SUSPENSION_A100 serious
Air Suspension Fault Detected
TESLA-VCFRONT_a146 serious
12V Bus Undervoltage Detected by Front Controller
TESLA-VCFRONT_a182 serious
Front Coolant Pump Fault Detected
TESLA-VCFRONT_a191 serious
Auxiliary 12V Battery Voltage Below Threshold
TESLA-VCFRONT_a402 serious
12V Battery Voltage Instability Detected by Front Controller
TESLA-VCFRONT_A596 serious
Heat Pump Compressor Fault Detected
TESLA-VCFRONT_w001 serious
Front Body Controller Lost CAN Network Contact
TESLA-VCFRONT_w012 serious
Front Controller Thermal Network Communication Fault
BOLT-P0AA1 moderate
High Voltage Battery Disconnect Relay Fault
TESLA-AP_W003 moderate
Forward Camera Obstruction Disables Cruise Control
TESLA-AP_W004 moderate
Autosteer Temporarily Unavailable Due to Conditions
TESLA-AP_w009 moderate
Autopilot Camera Calibration Required
TESLA-AP_w033 moderate
Autopilot Unintended Brake Event From False Obstacle
TESLA-AP_w034 moderate
Autopilot Sensor Confidence Below Threshold
TESLA-AP_w045 moderate
AutoSteer Disengaged, Lane Markings Undetectable
TESLA-AP_W090 moderate
Autopilot Camera Calibration Incomplete or Lost
TESLA-AP_W164 moderate
Autopilot Features Temporarily Limited Due to Inattention
TESLA-AP_W211 moderate
Autopilot Computer Fault Requiring System Restart
TESLA-BMS_A066 moderate
Battery Management System Power Limit Active
TESLA-BMS_A067 moderate
Battery Charge and Discharge Rate Temporarily Reduced
TESLA-BMS_a071 moderate
Charge Rate Limited by Pack Temperature
TESLA-BMS_A073 moderate
Auxiliary 12V Battery State of Health Degraded
TESLA-BMS_A079 moderate
12V Auxiliary Battery Approaching End of Life
TESLA-BMS_A116 moderate
Battery State of Charge Estimation Degraded
TESLA-BMS_w017 moderate
Battery Pack Temperature Outside Safe Operating Window
TESLA-BMS_w056 moderate
Battery Heater Insufficient Warming in Cold
TESLA-CAMERA_A015 moderate
Rear Camera Video Signal Lost or Unavailable
TESLA-CHARGE_a064 moderate
Charge Session Interrupted by Hardware Mismatch
TESLA-CHARGE_A157 moderate
Supercharger Session Ended Before Target SOC
TESLA-CHARGE_A173 moderate
Supercharger Session Communication Interrupted Mid-Charge
TESLA-CHARGE_A201 moderate
Charge Rate Reduced Below Expected Speed
TESLA-CHARGE_w027 moderate
Intermittent Charge Cable Handshake Fault
TESLA-DI_A035 moderate
Drive Inverter Torque Derating Active
TESLA-DI_A113 moderate
Drive Inverter Overtemperature, Power Output Reduced
TESLA-DI_A184 moderate
Drive Motor Overtemperature Power Derate Active
TESLA-DOOR_a001 moderate
Door Ajar Sensor Stuck Open Signal
TESLA-DOOR_A012 moderate
Frunk Latch Unresponsive to Open Commands
TESLA-DOOR_A045 moderate
Retractable Door Handle Stuck or Unresponsive
TESLA-DOOR_A046 moderate
Door Handle Position Sensor Out of Range
TESLA-HVAC_a213 moderate
Cabin Heating Element Insufficient Output Detected
TESLA-HVAC_a505 moderate
Climate Compressor Temporarily Locked Out
TESLA-MCU_A034 moderate
MCU1 eMMC Flash Storage Wear Limit Approaching
TESLA-MCU_w001 moderate
Touchscreen Watchdog Reset Detected
TESLA-SENTRY_A001 moderate
Sentry Mode USB Drive Fault Detected
TESLA-TIRE_A050 moderate
TPMS Tire Pressure Below Threshold
TESLA-TIRE_A052 moderate
TPMS Sensor Signal Lost at Specific Wheel
TESLA-UI_A004 moderate
Touchscreen Software Hang or Unexpected Reboot
TESLA-UI_A008 moderate
FSD Beta Features Disabled or Unavailable
TESLA-UI_A011 moderate
Infotainment Application Crashed and Restarted
TESLA-UI_A013 moderate
Mobile App Server Connectivity Lost
TESLA-UI_A017 moderate
Sentry Mode USB Drive Not Recognized or Full
TESLA-UI_W012 moderate
Driver Assistance Features Temporarily Disabled
TESLA-VCFRONT_a192 moderate
Front Controller Capping Charge Power Below BMS Limit
TESLA-VCFRONT_a220 moderate
Front Body Controller Sensor Fault Detected
TESLA-VCFRONT_a583 moderate
Front Trunk Latch Sensor Reports Unlatched
TESLA-VCLEFT_a045 moderate
Left Door Handle Presentation Fault Detected
TESLA-VCRIGHT_a045 moderate
Right Door Handle Motor or Circuit Fault
TESLA-VCRIGHT_a252 moderate
Right Body Controller Door or Window Actuator Fault
TESLA-VCSEC_a221 moderate
Alarm Subsystem Fault in Security Controller
TESLA-VCSEC_a228 moderate
Key Card Not Detected by B-Pillar NFC Reader
BOLT-P1E00 minor
HPCM2 Requested MIL Illumination Indicator Code
TESLA-BMS_w033 minor
Battery Health Notification From BMS
TESLA-BMS_W044 minor
Charge Rate Reduced Due to Pack Temperature
TESLA-CHARGE_a191 minor
AC Charging Current Limited by Station Signal
TESLA-DI_A191 minor
Regenerative Braking Reduced Due to Battery Condition
TESLA-DI_W046 minor
Drive Inverter Power Limited Due to Battery Temperature
TESLA-HVAC_a061 minor
Cabin Overheat Protection Running While Parked
TESLA-TIRE_A060 minor
TPMS Sensor Internal Battery Low Warning
TESLA-UI_A014 minor
Touchscreen Wi-Fi Connection Lost