1. Introduction
1.1 What does this alert says?
Your car may not restart.
1.2 What could be the reasons?
This is generic alert and there could be many reasons for this alert. Some of most common issue could be with Software, Hardware, High Voltage Interlock Loop, High Voltage Component, Isolation, Low Voltage Battery, HV Pack, Connectors etc.
In this free guide, you will get info about how to diagnose the exact cause of this alert, 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 4 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 enable Service Mode) Link
In case, If you need support for diagnosis. Please Connect Us.
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 best 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 some hardware faulty. Some of common hardware issues could be followings:
3.1 Low Voltage Battery
In most of cases, there could be an issue with Low Voltage Battery. Low voltage battery might be dead.
You could also check via touchscreen if there is any issue.
Service Mode > Low Voltage > Power Distribution
Please read more details about low voltage battery in another guide (How to check, how to repair or replace, buy new battery etc.). Link
3.2 Isolation
One of most reason could be issue with internal or external isolation.
Internal isolation
Possible alert code BMS_w123_SW_Internal
Please read more details about internal isolation in another guide (How to fix, cost, Find best workshop who can fix it etc.). Link
External isolation
Possible alert code BMS_w035, BMS_a151.
Please read more details about external isolation in another guide (How to fix, cost, Find best workshop who can fix it etc.). Link
It is recommend to fix isolation issue with an EV specialist. As it involves with High Voltage Components. It is risky/dangerous to work on High Voltage Components.
If you are looking for EV Specialist Workshop who can fix isolation issues. Please Contact Us or have a look in Workshop Locator.
3.3 High Voltage battery
One of reason could be issue with high voltage battery. Please read more details in another guide. Link
3.4 High Voltage Interlock Loop (HVIL)
Possible alert code BMS_w008, BMS_w036
Please read more details in another guide (How to fix, cost, Find best workshop who can fix it etc.). Link
3.5 Recent Repair/Service
Did this alert pop up after recent repair/service? If yes, please let us know which repair/service was done recently. Some of time, such alert could come if repair/service is not done in proper way. If system/alert has not be reset. Did you use aftermarket/used part?
Cost
Cost could vary depend on issue, type of workshop, location. If you are looking for online support or affordable independent workshop. Please feel to contact us Contact Us or Call/Whats App +49 (0) 15226242038 or have a look in Price List
Repair Estimate
Please feel to Contact Us or Call/Whats App +49 (0) 15226242038. We will be happy to provide you estimate and book an appointment for you in best affordable workshop
Online Support
In case, if you have any question or need any support/help. Please feel to contact us Contact Us or Call/Whats App +49 (0) 15226242038.
Find, compare and Book best affordable workshop to Fix it
If are you looking for best workshop who is expert to fix such issue with good price. Please contact us we will be happy to organize an appointment with workshop or find, compare and book best workshop in Workshop Locator
Book an Appointment
If you would like to book an appointment.
Book an Appointment to Fix an affordable Workshop
Buy New/Used Spare Parts
If you would like to buy spare parts. Please have a look in our catalog or Contact Us Phone/Whats App +49(0)15226242038
Alert Code
Some of most common possible alert code
BMS_w172
You might have got BMS_w172 together with BMS_u008 alert. Please read more details about it. Link
BMS_w035
BMS_a151
BMS_w008
Please send us "Service Alert" Screenshot via Contact or Whats App +49 (0) 15226242038. We will be happy to help to fix alert.
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For Repair Workshop Owner
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For Car Mechanic
There are some car owner who like to buy spare parts from OEM or Aftermarket and prefer to do Mobile Service, DIY or need support. If you would like to offer this services to car owner in your region. Please contact us.
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Frequently Asked Questions (FAQs)
1. Car under Warranty
It is recommend to connect with Car Manufacturer.
2. Car not under Warranty
We recommend to fix this issue with Independent Specialist. Please Contact Us.
3. How much it will cost?
It can very depend on issue. Some common Repair & Service Price List
