BEV model family

Tesla Model Y error codes and diagnostics

Diagnostic coverage for model years 2021–2026. Verified entries below are linked to this model family by source-backed applicability evidence; model membership alone is never used to invent a code relationship.

PowertrainBEV
Model years2021–2026
Verified diagnostics134
Research leads0

Verified Verified Tesla Model Y diagnostic codes

Each result opens a manufacturer-specific report with the code meaning, affected vehicles, source evidence and the full diagnostic knowledge page where available.

APP_w009Automatic Emergency Braking is unavailable Feature may be restored on next drive · 2020–2024View diagnostic report →APP_w048Autopilot features temporarily unavailable Features may be restored on next drive · 2020–2024View diagnostic report →APP_w207Autosteer temporarily unavailable · 2020–2023View diagnostic report →APP_w218Autosteer speed limit exceeded Take control of steering wheel · 2020–2023View diagnostic report →APP_w221Cruise control unavailable Reduced front radar visibility · 2020–2023View diagnostic report →APP_w222Cruise control unavailable Reduced front camera visibility · 2020–2024View diagnostic report →APP_w224Cruise control unavailable Continue driving to allow cameras to calibrate · 2020–2024View diagnostic report →APP_w304Camera blocked or blinded Clean camera or wait for it to regain visibility · 2020–2024View diagnostic report →BMS_a066Maximum charge level and range may be reduced OK to drive - Schedule service soon · 2020–2023View diagnostic report →BMS_a067High voltage battery performance limited OK to drive - Schedule service soon · 2020–2023View diagnostic report →BMS_a068High voltage battery requires service Acceleration and charging performance reduced · 2020–2023View diagnostic report →BMS_a069Battery charge level low Charge now · 2020–2023View diagnostic report →CC_a001Unable to charge - Insufficient grounding Proper wiring or outlet grounding must be verified · 2020–2024View diagnostic report →CC_a002Unable to charge - Insufficient grounding Disconnect and retry or use different equipment · 2020–2024View diagnostic report →CC_a003Unable to charge - Wall Connector GFCI tripped Disconnect and retry or use different equipment · 2020–2024View diagnostic report →CC_a004Unable to charge - Wall Connector issue Wall Connector needs service · 2020–2024View diagnostic report →CC_a005Unable to charge - Wall Connector GFCI tripped Disconnect and retry or use different equipment · 2020–2024View diagnostic report →CC_a006Unable to charge - Wall Connector overcurrent Disconnect and retry or use different equipment · 2020–2024View diagnostic report →CC_a007Unable to charge - Input voltage too high Voltage must be within Wall Connector rating · 2020–2023View diagnostic report →CC_a008Unable to charge - Input voltage too low Voltage must be within Wall Connector rating · 2020–2023View diagnostic report →CC_a009Unable to charge - Input wired incorrectly Input wiring to Wall Connector must be corrected · 2020–2023View diagnostic report →CC_a010Unable to charge - Wall Connector issue Wall Connector needs service · 2020–2023View diagnostic report →CC_a011Unable to charge - Wall Connector too hot Let Wall Connector cool and try again · 2020–2023View diagnostic report →CC_a013Unable to charge - Charge handle too hot Check charge handle or charge port for debris · 2020–2024View diagnostic report →CC_a014Unable to charge - Wall Connector issue Wall Connector needs service · 2020–2023View diagnostic report →CC_a015Unable to charge - Vehicle connection issue Insert charge handle fully into charge port · 2020–2024View diagnostic report →CC_a016Unable to charge - Vehicle connection issue Insert charge handle fully into charge port · 2020–2023View diagnostic report →CC_a017Unable to charge - Vehicle connection issue Insert charge handle fully into charge port · 2020–2023View diagnostic report →CC_a018Unable to charge - Vehicle connection issue Insert charge handle fully into charge port · 2020–2023View diagnostic report →CC_a019Unable to charge - Vehicle connection issue Insert charge handle fully into charge port · 2020–2023View diagnostic report →CC_a020Unable to charge - Wall Connector issue Wall Connector needs service · 2020–2023View diagnostic report →CC_a021Unable to charge - No primary Wall Connector Check that primary unit is powered and available · 2020–2024View diagnostic report →CC_a022Unable to charge - More than 1 primary unit Ensure only 1 Wall Connector is set as primary · 2020–2023View diagnostic report →CC_a023Unable to charge - Too many Wall Connectors Ensure no more than 3 units paired with primary · 2020–2024View diagnostic report →CC_a024Unable to charge - Low Wall Connector current Primary unit current setting must be increased · 2020–2023View diagnostic report →CC_a025Unable to charge - Wall Connector issue Wall Connector needs service · 2020–2023View diagnostic report →CC_a026Unable to charge - Wall Connector issue Wall Connector needs service · 2020–2024View diagnostic report →CC_a027Unable to charge - Wall Connector issue Wall Connector needs service · 2020–2023View diagnostic report →CC_a028Unable to charge - Incorrect switch setting Wall Connector rotary switch must be adjusted · 2020–2024View diagnostic report →CC_a029Unable to charge - Vehicle connection issue Insert charge handle fully into charge port · 2020–2024View diagnostic report →CC_a030Unable to charge - Primary / paired unit mismatch Wall Connector current ratings must match · 2020–2024View diagnostic report →CC_a041Charge rate reduced - Wall connection hot Outlet or Wall Connector wiring must be checked · 2020–2023View diagnostic report →CC_a043Wall Connector configuration must be completed Refer to Installation Guide to enable charging · 2020–2024View diagnostic report →CP_a004Charging equipment not recognized Try again or try different equipment · 2020–2023View diagnostic report →CP_a010Charging equipment communication error Try again or try different equipment · 2020–2024View diagnostic report →CP_a043Charge port door sensor fault Charge port may not operate as expected · 2020–2023View diagnostic report →CP_a046Charging equipment communication lost Check power source and charging equipment · 2020–2023View diagnostic report →CP_a051Charge port may not open when pressed Use another method to open the charge port · 2020–2024View diagnostic report →CP_a053Unable to charge - Charge station not powered Check power source or try a different station · 2020–2023View diagnostic report →CP_a054Charge port latch not engaged Fully insert charge cable or check for obstruction · 2020–2024View diagnostic report →CP_a055Charging equipment communication lost Check power source and charging equipment · 2020–2023View diagnostic report →CP_a056Charging stopped - Charge cable disconnected Close charge port - Press brake pedal and retry · 2020–2023View diagnostic report →CP_a058Unable to AC charge - Unplug and retry Or try DC Fast Charging / Supercharging · 2020–2024View diagnostic report →CP_a066Charging equipment not ready See equipment instructions to start charging · 2020–2024View diagnostic report →CP_a078Cable blocked - Charge port latch may be frozen Try using Defrost Car button in Mobile App · 2020–2024View diagnostic report →CP_a079Charge rate reduced - Charge port may be frozen Try using Defrost Car button in Mobile App · 2020–2023View diagnostic report →CP_a101Charge rate reduced - Wall connection hot Outlet or Wall Connector wiring must be checked · 2020–2023View diagnostic report →CP_a102Unable to charge - Wall connection too hot Outlet or Wall Connector wiring must be checked · 2020–2023View diagnostic report →CP_a143Charging adapter has electric arc flash hazard Use different charging equipment · 2020–2023View diagnostic report →CP_a151Charge port error detected - Service is required AC charging may not function / OK to Supercharge · 2020–2024View diagnostic report →CP_a164Charge handle still detected after unlatch request Use charge port manual release cable if needed · 2020–2024View diagnostic report →DIF_a251Gearbox fluid service recommended Schedule Service · 2020–2023View diagnostic report →DIREL_a251Gearbox fluid service recommended Schedule Service · 2020–2023View diagnostic report →DIRER_a251Gearbox fluid service recommended Schedule Service · 2020–2023View diagnostic report →DIR_a251Gearbox fluid service recommended Schedule Service · 2020–2024View diagnostic report →DI_a138Front motor disabled - OK to drive Vehicle power may be limited · 2020–2024View diagnostic report →DI_a166Vehicle automatically parked to prevent rollaway Fasten seatbelt and close door to stay in gear · 2020–2024View diagnostic report →DI_a175Cruise control unavailable · 2020–2023View diagnostic report →DI_a184Autopark canceled Take control · 2020–2024View diagnostic report →DI_a185Autopark Aborted · 2020–2023View diagnostic report →DI_a190Rear tire tread depth low - Schedule service Inspect tires for rotation/replacement · 2020–2023View diagnostic report →DI_a245Vehicle Hold feature unavailable Keep brake pedal pressed while stopped · 2020–2023View diagnostic report →DI_a250Adaptive ride control disabled Drive with caution · 2020–2023View diagnostic report →EPBL_a195Vehicle automatically parked to prevent rollaway Fasten seatbelt and close door to stay in gear · 2020–2023View diagnostic report →EPBR_a195Vehicle automatically parked to prevent rollaway Fasten seatbelt and close door to stay in gear · 2020–2024View diagnostic report →ESP_a118Assist for low brake performance activated To stop, keep brake pedal firmly pressed · 2020–2023View diagnostic report →PCS_a016Cannot charge - Poor grid power quality possible Retry / Try other charge location or Supercharging · 2020–2024View diagnostic report →PCS_a017Charging stopped - Power lost while charging Check power source and charging equipment · 2020–2023View diagnostic report →PCS_a019Power grid or vehicle issue limiting AC charging Unplug and retry / Try different charging location · 2020–2024View diagnostic report →PCS_a032Poor electric grid power quality detected Try different charging station or location · 2020–2023View diagnostic report →PCS_a052External charging equipment not providing power Check power source or try different equipment · 2020–2024View diagnostic report →PCS_a053Charge rate reduced - Unexpected voltage drop Remove extension cords / Have wiring inspected · 2020–2024View diagnostic report →PCS_a054Charging stopped due to large voltage drop Remove extension cords / Have wiring inspected · 2020–2023View diagnostic report →PCS_a073External charging equipment error detected Try different charging equipment · 2020–2024View diagnostic report →PCS_a090Charging slowed - Some AC phases not powered Check power source and charging equipment · 2020–2024View diagnostic report →PMF_a092Powertrain issue detected - Schedule service Issue may persist even if functionality is restored · 2020–2024View diagnostic report →PMREL_a092Powertrain issue detected - Schedule service Issue may persist even if functionality is restored · 2020–2023View diagnostic report →PMRER_a092Powertrain issue detected - Schedule service Issue may persist even if functionality is restored · 2020–2023View diagnostic report →PMR_a092Powertrain issue detected - Schedule service Issue may persist even if functionality is restored · 2020–2024View diagnostic report →PM_a092Powertrain issue detected - Schedule service Issue may persist even if functionality is restored · 2020–2023View diagnostic report →TAS2_a313Adaptive ride control degraded Ride comfort may be reduced · 2020–2023View diagnostic report →TAS2_a314Adaptive ride control degraded Drive with caution · 2020–2023View diagnostic report →TAS_a313Adaptive ride control degraded Ride comfort may be reduced · 2020–2023View diagnostic report →TAS_a314Adaptive ride control degraded Drive with caution · 2020–2023View diagnostic report →UI_a004Front trunk open Proceed with caution · 2020–2023View diagnostic report →UI_a006Service is required Schedule service now · 2020–2024View diagnostic report →UI_a137Active service connection to vehicle Service performing remote diagnostics · 2020–2024View diagnostic report →UMC_a001Unable to charge with Mobile Connector Inadequate outlet grounding - Try another outlet · 2020–2024View diagnostic report →UMC_a002Unable to charge - Mobile Connector GFCI tripped Unplug charge handle from charge port and retry · 2020–2023View diagnostic report →UMC_a004Unable to charge with Mobile Connector Voltage too high / Try a different wall outlet · 2020–2024View diagnostic report →UMC_a005Unable to charge with Mobile Connector Voltage too low / Try a different wall outlet · 2020–2023View diagnostic report →UMC_a007Mobile Connector control box temperature high Let Mobile Connector cool to resume charging · 2020–2024View diagnostic report →UMC_a008Unable to charge - Wall plug temperature high Wall outlet and wiring inspection recommended · 2020–2024View diagnostic report →UMC_a009Cannot charge - Charge handle temperature high Check charge handle or charge port for debris · 2020–2024View diagnostic report →UMC_a010Mobile Connector to adapter connection hot Let cool - Plug adapter fully into Mobile Connector · 2020–2024View diagnostic report →UMC_a011Charging equipment communication error Try again or try different equipment · 2020–2023View diagnostic report →UMC_a012Charging equipment communication error Try again or try different equipment · 2020–2023View diagnostic report →UMC_a013Wall plug adapter error - Charge rate reduced Plug adapter fully into Mobile Connector and retry · 2020–2023View diagnostic report →UMC_a014Wall plug adapter error - Charge rate reduced Plug adapter fully into Mobile Connector and retry · 2020–2023View diagnostic report →UMC_a015Wall plug adapter error - Charge rate reduced Plug adapter fully into Mobile Connector and retry · 2020–2023View diagnostic report →UMC_a016Mobile Connector control box temperature high Maximum charge rate reduced · 2020–2024View diagnostic report →UMC_a017Charge rate reduced - Wall plug temperature high Wall outlet and wiring inspection recommended · 2020–2024View diagnostic report →UMC_a018Charge rate reduced - Handle temperature high Check charge handle or charge port for debris · 2020–2023View diagnostic report →UMC_a019Mobile Connector to adapter connection hot Maximum charge rate reduced · 2020–2023View diagnostic report →VCBATT_a180Electrical system power reduced Vehicle may shut down unexpectedly · 2020–2023View diagnostic report →VCBATT_a182Schedule service to replace low voltage battery Software will not update until battery is replaced · 2020–2023View diagnostic report →VCBATT_a191Electrical system power reduced Vehicle shutting down · 2020–2023View diagnostic report →VCBATT_a220Electrical system is unable to support all features Schedule service · 2020–2023View diagnostic report →VCBATT_a402Electrical system backup power is unavailable Vehicle will consume more energy while idle · 2020–2023View diagnostic report →VCBATT_a496Vehicle is preparing to shut down PULL OVER SAFELY · 2020–2023View diagnostic report →VCFRONT_a180Electrical system power reduced Vehicle may shut down unexpectedly · 2020–2024View diagnostic report →VCFRONT_a182Schedule service to replace low voltage battery Software will not update until battery is replaced · 2020–2024View diagnostic report →VCFRONT_a191Electrical system power reduced Vehicle shutting down · 2020–2024View diagnostic report →VCFRONT_a192Electrical system is unable to support all features Switching off features to conserve energy · 2020–2024View diagnostic report →VCFRONT_a216Vehicle may not restart - Service is required Electrical system issue detected · 2020–2024View diagnostic report →VCFRONT_a220Electrical system is unable to support all features Schedule service · 2020–2023View diagnostic report →VCFRONT_a402Electrical system backup power is unavailable Vehicle will consume more energy while idle · 2020–2024View diagnostic report →VCFRONT_a496Vehicle is preparing to shut down PULL OVER SAFELY · 2020–2023View diagnostic report →VCFRONT_a592Unable to drive - Service is required Electrical system issue detected · 2020–2024View diagnostic report →VCFRONT_a593Unable to drive - Service is required Electrical system issue detected · 2020–2024View diagnostic report →VCFRONT_a596Unable to drive - Service is required Electrical system issue detected · 2020–2023View diagnostic report →VCFRONT_a597Unable to drive - Service is required Electrical system issue detected · 2020–2023View diagnostic report →VCSEC_a221Air pressure below recommendation for tires Check pressure and refill air as needed · 2020–2023View diagnostic report →VCSEC_a228Air pressure in tires very low PULL OVER SAFELY - Check for flat tire · 2020–2024View diagnostic report →

About this model coverage

EV Diagnostics separates vehicle catalog data from diagnostic applicability. A code is listed as verified for Tesla Model Y only when supporting evidence connects that diagnostic identity to the model or its documented model-year range.

Related navigation

All Tesla EV models and diagnostics · Search all diagnostic codes · How verification works

Tesla Model Y error codes & EV diagnostics | EV Diagnostics