Tesla Model 3 Error Messages (Error Codes)

Tesla Model 3 Error Messages

Server maintenance error codes often appear due to potential maintenance issues. The server cannot process the request at this time, or the server has been taken down for maintenance. Sometimes, server overload can be the cause, but a simple solution like troubleshooting can fix the maintenance failure issue. So what are the Tesla Model 3 Error Messages?

When you get an error message on your Tesla, you need to understand why it’s showing up; you’ll also need to contact Tesla’s support team after you’ve tried everything you can. If maintenance is interrupted due to server overload, a server maintenance error message will be displayed. Getting error messages on your Tesla app isn’t out of place; it relies heavily on technology to keep functioning.

Error MessageDescription
12V Power System FaultIndicates an issue with the 12-volt auxiliary battery system, which may need to be replaced or recharged.
Charging Cable FaultIndicates a problem with the charging cable or connector, such as a loose connection or damage. Check the cable and connector for any visible issues, and ensure proper connection to the charging port.
Check Brake FluidIndicates low brake fluid level in the vehicle. Check the brake fluid reservoir and add fluid if necessary.

Therefore, when something happens inside its processing system, it will start sending you a notification; so you can give him an immediate response.

Please do not omit any information, but do as I will describe the solution for error code messages.

After waiting for a while, check if the server is configured correctly; if so, the error message should go away.

Troubleshooting Common Tesla Model 3 Error Messages

Common troubleshooting may stop before completing with one or more error messages.

This section discusses general error types and error correction strategies. 

Error MessageTroubleshooting Steps
12V Power System Fault1. Check the 12-volt battery connections for any loose or corroded terminals.
2. Verify the battery voltage using a multimeter. If the voltage is low, recharge or replace the 12-volt battery.
Charging Cable Fault1. Ensure the charging cable is securely connected to both the vehicle’s charging port and the power source.
2. Inspect the charging cable for any visible damage or wear. If found, replace the cable.
Check Brake Fluid1. Open the hood and locate the brake fluid reservoir.

You may find the previous section, Helpful in identifying and tracing errors.

If simulation fails:

If your Tesla Model 3 error message contains a list of blocks and look at those blocks first.

  • Bad Connection

Verify your Tesla Model 3 makes sense as a physical system. Look for actuators that are interconnected so they try to move in the opposite direction, or connect incorrectly with reference nodes that prevent movement. In electrical circuits, check the terminals and ground connections.

  • Bad Unit

This unit manager provides great flexibility in using physical units. However, you must be careful to specify the correct units, especially in the Simulink-PS Converter and PS-Simulink Converter block. Start the circuit analysis by opening all the converter blocks and checking the correctness of the specified units.

  • Can’t Top UP 

Try charging again by unplugging the Connector on the car wall and plugging it back in. If the problem persists, turn off the Wall Connector service breaker, wait 10 seconds, turn the breaker back on, then try connecting the Wall Connector to the vehicle again. If the problem persists, consult your electrician or contact Tesla.

  • Error Messages 
BMS_a107 Unable to chargeUnable to charge
BMS_a105 Vehicle may not restart
BMS_a098Unable to charge
BMS_a050Unable to charge

Pros, Cons, and Considerations while Upgrading


  • Technology Specialist:

The interior of the Tesla Model 3 is elegant. Super smooth, super fly. You don’t have to mess around with knobs, buttons, and dials.

You only get a 15-inch touchscreen on the center console. This touchscreen is central, as you can control everything in the car with the touch of a finger; from your HVAC controls to your bass-heavy infotainment system.

With a clean and minimalist design, the feel of the cabin matches well with the luxurious feel of Tesla cars. Furthermore, you can also stream your shows and podcasts on the screen.

  • Keeping you Safe and Sound:

One highlight of the car is its safety feature. The Tesla Model 3 has a sentry mode, which uses the car’s external camera to record the car’s surroundings and detect possible external threats.

In general, it has good anti-collision performance. It is also fully equipped with the design of collision avoidance technology, such as roof resistance.

The absence of an engine also makes the Tesla 3 safer in the event of a crash.

BMS_W008 Error Code On Tesla Model Y


You can navigate the road that no one else has with the help of the car itself.

Tesla Autopilot refers to a range of technologically advanced driver assistance systems that offer things like adaptive cruise control, self-parking, lane centering, and other features that can reduce workloads.

  • The Inconveniences

Just move to the city, you can safely use the car. However, if you have to travel from one end of the country to the other, you may feel constant anxiety.

Who wants the stress of that? While range is constantly improving and some models offer 300 miles on a single charge, you should consider the number and location of Tesla charging stations on your route and plan your trips. suitable stop.

Also, you should keep in mind that public chargers only give you a range of 20-25 miles. 

  • Considerations

The maintenance error code only temporarily blocks incoming requests while it arranges itself to restore normal functions.

Solid BlackA sleek, glossy black color that gives the Model 3 a timeless and sophisticated appearance.
Midnight SilverA metallic silver-gray color with a hint of blue, providing an elegant and modern look to the vehicle.
Deep BlueA deep, rich blue color that adds a touch of vibrance and uniqueness to the Model 3’s exterior.
Pearl WhiteA pearlescent white color that showcases the vehicle’s curves and lines, giving it a clean and luxurious feel.
Red Multi-CoatA bold and eye-catching red color option that adds a sporty and vibrant personality to the Model 3.
Silver MetallicA classic silver metallic color that offers a timeless appeal and complements the vehicle’s design elements.

When you see a maintenance error code, it tells you that the server is still running but cannot respond to requests immediately.

Normally, if you leave the server running for a while, give it some time, it will return to its normal working state. 

  • Tesla Codes Color
blueMaintenance Service Required
RedBattery Problem Service RequiredCritical Brick UnderVoltage fault
YellowDebug-Only MsgAPS OverTemp Warning
BlueMemory Stick transfer in progress.Memory stick transfer in progress. Please do not remove it.

Preventive Measures for Avoiding Tesla Model 3 Error Messages

Vehicle safety and security features

From design and physical construction to strong security, every aspect of a Tesla vehicle is designed with the highest safety standards.


Your Tesla vehicle has several advanced security features that you can enable. To enable these features, go to Controls > Security on your vehicle’s touchscreen.

  • security alert
  • fixed to the drive
  • sentry mode
  • Manual entry required
  • intrusion sensor
  • FAQ

Security Alert

An alarm sounds and exterior lights flash when a locked trunk or door is opened without a valid access key. To enable security alerts on your touchscreen, tap Controls > Security > Security Alerts.

The vehicle sets an alarm 1 minute after leaving, the doors are locked and the detected key is no longer detected in or near the vehicle.

To silence the vehicle alarm, unlock the doors with your key fob, key card, or the Tesla app.

Drive PIN

Driving PIN lets you set up a secure 4-digit verification that you must enter before you can drive your vehicle.

To enable PIN to Drive on your vehicle’s touchscreen, tap Controls > Security > PIN to Drive.

You will be asked to create a 4-digit confirmation. If you forget your PIN or want to disable the PIN to Drive, go back to Settings on your touchscreen.

Tap the link, enter your Tesla credentials, and follow the on-screen instructions.

Santry Mode

Sentry Mode is a feature that allows you to monitor nearby suspicious activity while your Tesla vehicle is parked and locked in a specific location. When suspicious movement is detected, the vehicle responds based on threat severity.

When a serious threat is detected, the vehicle’s cameras start recording and the alarm system is activated. You will receive a notification from the Tesla app informing you that an incident has occurred.

To enable Sentry Mode on your vehicle’s touchscreen, tap Controls > Security > Sentry Mode. You can also activate Sentry Mode using voice commands or the Tesla app.

Unless the vehicle is supercharged, Sentry Mode will remain active until the vehicle is below 20°C. The Tesla app will notify you when Sentry Mode is disabled due to low battery. 

Error MessagePreventive Measures
12V Power System FaultRegularly check the voltage of the 12-volt battery using the Tesla mobile app or a multimeter.
Charging Cable FaultEnsure that the charging cable is properly stored and protected when not in use to avoid damage.
Check Brake FluidRegularly check the brake fluid level and top it up if necessary using the recommended brake fluid type. Monitor the braking system’s performance.
Tire Pressure Monitoring System (TPMS) FaultInspect the tires for any signs of damage or wear and replace them as needed.
Power ReducedAvoid harsh driving habits and excessive acceleration, as they can put additional strain on the vehicle’s components.
Service Vehicle SoonPerform regular software updates on your Tesla Model 3 to ensure you have the latest bug fixes and improvements.
Power Steering Assist ReducedCheck the power steering fluid level regularly and top it up if necessary using the specified fluid type.
High Battery Coolant TemperatureEnsure proper ventilation and airflow around the vehicle’s battery pack to dissipate heat effectively.
Regenerative Braking LimitedMonitor the brake system’s performance and address any issues promptly, such as low brake fluid or abnormal brake pedal feel.
Preconditioning ErrorEnsure the vehicle is parked in an area with a stable internet connection when using the Tesla mobile app to control preconditioning settings.

Troubleshooting Alerts Error Code

APP_w048AutosteerTraffic-Aware Cruise ControlAutomatic Emergency BrakingForward Collision WarningLane Departure Warning
APP_w207Missing or faded lane markers. Narrow or winding roads. Poor visibility due to rain, snow, fog, or other weather.Extremely hot or cold temperatures.Bright light due to other vehicle headlights, direct sunlight, or other light sources.
APP_w218In most cases, Autosteer will not be available for the rest of your current drive. To reset it, bring the vehicle to a complete stop and shift into Park. When you shift into Drive to travel to your next destination, Autosteer should be available again.


When you receive a server maintenance error message from Tesla Model 3, it may bring your attention to something related to server maintenance.

So instead of ignoring the message that could lead to further damage, try to find a way to salvage the situation. After waiting for a while, check if the server is configured correctly; if so, the error message should go away.


Are Tesla Model 3 Error Messages a Sign of a Serious Problem?

Yes, there have been reports of poor build quality on some Tesla vehicles, especially early models. Common issues reported by owners include body panel fit and finish issues, paint defects, and sunroof leaks.

How Can I Prevent Error Messages from Occurring in My Tesla Model 3?

Your Tesla vehicle has several advanced security features that you can enable. To enable these features, go to Controls > Security on your vehicle’s touchscreen. 

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I am principal creator of electriccarexperience.com. I like riding Electric Car, UTV in mountains and Terrain, Also I try to share all the real life experience here in the site.I am really dedicated to write about my experience. I love doing all the outdoor activity including riding electric car, dirt biking and hiking.

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