1. Introduction
This is generic alert and there could be many reasons for this alert. In this free guide, you will get information about how to diagnose the exact cause of this alert, what could be the reasons for this alert, how to fix it, How much it could cost to fix the alert, How to get online support, Find and compare best affordable workshop in your region and book an online appointment to fix alert, Information about spare part number and name. You could also buy new and used spare parts with best price etc.
1.1 What this alerts means?
This alert says that car low voltage battery is showing degraded performance. Car need new low voltage battery.
1.2 What will happen?
- Software updates will not complete until low voltage battery will not be replaced.
- If you need to install latest update and if you try to install. You will not able to install until you do not fix this issue.
2. How to Diagnose
This alert could come because of one or more system/feature is disabled/faulty. It need to check additional alerts to find out the cause of this alert.
It could be possible to find out the exact cause via Remote Diagnosis, Service Mode.
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.
Service Mode > Low Voltage > Power Distribution
You could be able to see problem with low voltage battery.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
Need to replace Low Voltage Battery.
3.1 Which Battery need need my Car?
Tesla cars are equipped with following 2 types of batteries:
3.2 How to Check which type of battery is equipped in your car?
Software > Vehicle Additional Information > Low Voltage Battery Type : Lead-Acid/Lithium-Ion
Its important to replace battery with same type of battery. In case, if you need support. Please Contact Us Phone/Whats App +49(0)15226242038
4. How to Replace Low Voltage Battery
Check out another article for more details. Link
5. Appointment to Replace Tesla Low Voltage Battery
6. Cost
6.1 Battery Price
It should cost 200-300 dollars
Part Name ASSEMBLY - 12V BATTERY AND VENT PLUG
Part Number 1129182-00-B
Please make sure that its correct part for your car. If need support. Please Contact Us.
6.2 Labor Cost
It should cost around 100 dollars.
Check out more details. Link
Repair Battery
In some cases, its possible to repair battery. Please contact us for more details.
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
Buy Tesla Low Voltage Battery
If you would like to buy Tesla Low Voltage Battery. Please contact us
Alert Code
Possible alert code
- VCFRONT_a182
- VCFRONT_a182_replace12VBattery
- VCFRONT_a407_dcrMilliOhmsAboveThreshold
- VCFRONT_a371_failureToPrechargeRisk
- VCFRONT_a402_LVBatteryCannotSupportVehicle
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For Repair Workshop Owner
If you car repair workshop owner and would like to add your workshop in our list. Please contact us.
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. Please contact us.
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Frequently Asked Questions (FAQs)
Can I do low voltage battery replacement as DIY?
Yes, it should be not hard job. If you need online support. Please contact us.
Fault is still present after battery replacement?
There could be many reasons. Some of reasons could be following:
- Did you check voltage on the new battery before installment?
- Did you charge the new battery to 100% before installment?
- Was new battery correct type of battery?
- Did you reset Battery in Service Mode?
- If not, please go to Service Mode > Low Voltage > Power Distribution > Change Battery Type
- Did you Power Off the car?
- Did you disconnect fireman's loop disconnected during the install?
- You could try to change wheel configuration which will allow restart system, which might resolve the issue.
Please contact us if you need support to fix fault.
Can I do at Local Workshop, Independent Tesla Workshop?
Yes, you can. However, please make sure that workshop knows how to work to Tesla Cars. If local workshop need any support. Please feel to contact us. We will be happy to provide online shop. You can also find workshop in our Workshop Locator.
Can I do it/repair yourself/myself (DIY)?
Some of repair could be done at DIY. In case, if you needed Tools, Know-How, Time etc. Please feel to contact us. We will be happy to provide you online support.
Note: Please do not work with high voltage components. If you do not need needed/proper Tools, Know-How etc. It could be dangerous.
Mobile repair service?
In some of cases, we could also provide mobile services. Please feel to contact us where are you located and what kind of repair are you looking for.
Car not under warranty, salvage, accident, flood, modified cars?
It is highly recommended to perform repair with independent workshop to save money.
Car under warranty?
In case if your car is under warranty. It is recommended to perform certain repair works (HV Components, ADAS etc) with OEM during warranty period. Wear and Tear Part Repair could be done with independent workshop to save money. Please read more details in another guide. Link
Alert still appearing after repair?
There could be many reasons. Some of reasons could be please make sure that repair was done in correct way, did you restart system after performing repair? did you Reinstall Firmware? Still appearing alert: Please free to Contact Us. We will be happy to provide you online support. Phone/Whats App +49(0)15226242038
Source: Tesla
