1. Introduction
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
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For Car Mechanic
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FAQ
1. Can I do low voltage battery replacement as DIY?
Yes, it should be not hard job. If you need online support. Please contact us.
2. 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.
Source: Tesla
