Tesla "Low Voltage Battery" Repair Guide

1. Introduction

In this free guide, you will get all information about how to diagnose, how to repair, how to remove and replace, how much it could cost part and labor, how to get online support, Find and compare best affordable workshop in your region and book an online appointment for repair/service, Information about spare part number and name and buy new and used spare parts with best price etc.

2. How to Diagnose

It could be diagnose via Remote Diagnosis, Service Mode.

2.1 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

2.2 Service Mode

It could be possible to find out the exact cause of the alert with the help of services alerts in Service Mode.

How to check service alerts in Service Mode

• On the touchscreen, click Controls (vehicle icon) > 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

Service Mode > Low Voltage 

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. Labor Cost

Labor cost could vary depend on type of workshop, location. If you are looking for best affordable Tesla independent workshop. Please free to contact us Call/Whats App +49(0)15226242038 or find best affordable workshop in our Workshop Locator

3.1 Labor Cost in Authorised Service Center

It could cost labor rate per hour * Flat Rate Time. Labor rate per hour could vary depend on location. However it could cost in between 175 - 275 euro/dollars per hours. Flat rate time could vary depend on work. If you would like to know Flat Rate Time for particular work. Please contact us.

3.2 Labor Cost in Independent Workshop

It could vary depend on type of workshop, city/region/country etc.

Please have a look on some of most common repair/services prices Price List

5. Part Name and Number (details)

Part number could vary depend on model year, region etc. If you need help to find/order correct part for your car. Please free to contact us Call/Whats App +49(0)15226242038

How to reset Low Voltage Battery

If your car has software FW 2023.44 or later version.

Service Mode > Low Voltage > Power Distribution > Change Battery Type

Select the type of battery that was installed and run

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 workshop to Fix it

If are you looking for best workshop who is expert to perform such repair/services with good prices. You can find and compare hundreds of Tesla independent workshops. Please feel free to contact us. We will be happy to organize an appointment with workshop. Please find best workshop through our Workshop Locator

Book an Appointment

If you would like to book an appointment in best affordable workshop. Please book an online appointment.

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

How to remove and replace

Alert Code

Some of most common possible alert code

• VCFRONT_a182
• VCFRONT_a371
• VCFRONT_a402
• VCFRONT_a407
• GTW_w405

VCFRONT_a182

• VCFRONT_a182_replace12VBattery

• VCFRONT_a407_dcrMilliOhmsAboveThreshold
  

Please send us "Service Alert" Screenshot via Contact or Whats App +49 (0) 15226242038. We will be happy to help to fix alert.

Donation/Support

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Repair Shop Owner/Mechanic

If you are workshop owner/mechanic and offer Tesla Repair/Service and would like to add your workshop in our list. Please have a look in our Become a Partner Page or contact us.

For Mechanic/DIY Expert

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. 

Comment

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FAQ

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 

Do I really need to replace low voltage battery?

There could be some alerts which could suggest to replace low voltage battery. It does not mean that there could be problem with low voltage battery. 

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.