1. Introduction
This is generic alert. There could be many reasons for this alert. In this free guide, you will get info about how to diagnose the issue, what could be the reasons for this alert, how to fix it, Cost to fix, Online support, Find and book an appointment to fix alert in best affordable workshop, Buy spare parts etc.
2. How to Diagnose
This alert could come because of one or more system/feature is disabled/faulty. The exact cause of this alert could be diagnosed with the help additional alerts.
2.1 How to check additional alert
It could be possible to find out exact cause via Remote Diagnosis, Service Mode.
2.2 Remote Diagnosis
Please read more details about Remote Diagnosis in another guide (How to do, Cost etc.) Link If you need support. Please Contact Us Phone/Whats App +49(0)15226242038
2.3 Service Mode
It could be possible to do self diagnose via Service Mode.
How to read service alerts in Service Mode
- On the touchscreen, click Controls > Software
- Touch and hold the large word "MODEL" for 2 seconds and then release.
- Enter "service" as access code.
- After clicking on Service Alerts. You can read service alerts. If there is anything wrong with car. It will show in active alerts.
Please read more details in another guide (How to do diagnosis) Link
In case, If you need support for diagnosis. Please Connect Us.
If you need support. Please send us Service Alert Screenshot via Contact or Whats App +49 (0) 15226242038. We will be happy to help you to explain alert and how could be fixed, cost, support for fixing if possible online support or to organize an appointment with independent affordable workshop.
Depend on alert/fault code, car might need to be repaired/serviced.
3. How to Fix it
Some of alert could come because of software bugs. Some of alert could resolve after restarting the system, software update/reinstall. In some case, car might need hardware repair.
3.1 Restart System
Some of alert could resolve after restarting the touchscreen or power of the car.
Restart Touchscreen
Firstly, you could try with soft reset (restart touchscreen)
How to restart soft reset (restart touchscreen)
- Please shift car into park.
- Hold down both scroll buttons on the steering wheel until the touchscreen turns black.
- Please wait approximately 30 seconds for the touchscreen to restart.
Please read more details in another guide (how to do). Link
Powering Off the Car
If soft reset (restart touchscreen) have not resolved the alert/issue. You could try hard reset (Powering Off the car).
- Please shift car into park
- On the touchscreen please touch Controls > Safety > Power Off
- Please wait for at least for two minutes without interacting with the car. Please do not open the doors, touch the brake pedal, touch the touchscreen etc.
- After 2 minutes, please press the brake pedal or open the door to wake the car (Source Tesla)
3.2 Software issue
Some of alert could be related to software issue.
Firmware not Updated
One of main reasons could be that firmware is not updated. Have you checked recent update and updated to recent version? If not, we recommend you to do that. Please read more details in another guide. Link
Software Bug and Glitches
One of reason could be problem with software bug and glitches. Did you get alert after updating recent software version? If yes, it could resolve with future software version. Please send us Service Alert screenshot. So we will inform you if it could be related to bug.
Hardware Issue
There could be few reasons for this issue. Some of common reasons could be followings:
3.3 Seat belt Sensor or wire
One of reason could be misalignment with Seat Belt Sensor, Harness etc.
Harness Part Number - If needed, you can find Harness Parts
3.4 Seat Harness and Connector
One of reasons could be lose, broken, unplugged Harness or connector. It need to check plugs under the seats.
3.5 Seat
One of reason could be issue with Seat.
3.6 Water on Seat
One of reason could be water/moisture/liquid on seat. Turning on heater for some time. It could help. Seat need to be dried out.
3.7 Occupant Classification System (OCS) Filter Module
There was Service Bulletin (SB-19-20-003) for Model 3 for OCS Filter Module. If you are having module 3 and having this issue. Please have a look on SB-19-20-003.
Part Number Module - OCS Filter Harness (1517054-00-A)
Ferrite (1479450-00-A)
Guide to remove & replace OCS
4. Cost
Cost could vary depend on issue, type of workshop, location. If you are looking for online support or affordable independent workshop. Please free to contact us or have a look in Price List
5. Online Support
In case, if you have any question or need any support/help. Please feel to contact us Contact Us or Whats App +49 (0) 15226242038
6. Find, compare and Book workshop to Fix it
If are you looking for best workshop who is expert to fix such issue with good price. Please contact us or find, compare and book best workshop in Workshop Locator
7. Alert Code
Possible alert code
RCM_a021 Front left safety restraint system fault
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Frequently Asked Questions (FAQs)
Can I drive the Car?
Yes, you can. However its recommend to fix/check with earliest possible.
Car Under Warranty
It is recommend to connect with car manufacturer.
