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.
Most common reason reason for this alert could be blow pyro Fuse.
1.1 What does this alert mean?
"Battery Management System (BMS) in car has identified that high voltage battery pyrotechnic fuse is closer to end of its lifespan and need to replace at earliest convince".
1.2 How long life has pyro fuse?
Pyro Fuse has lifespan around 8 years. If car is around 7 to 8 years old. There are chances to get this alert "Battery Fuse requires replacement soon", "BMS_u031_ReplaceSmartFuseSoon", BMS_u032".
1.3 Why it is important to have Pyro Fuse?
It disconnect battery circuit to prevents short circuit or fire in the event of car crash, accident etc by blowing itself. Please read more details about pyro fuse in another guide. Link
2. Action to Do
- It need to replace Pyro Fuse.
- Fuse must be replaced with new self-powered hybrid pyro fuse.
- Please book ASAP appointment to replace Pyro Fuse with best affordable workshop. Appointment to replace Fuse
- It is recommend to replace Pyro Fuse from Expert/Specialist, who have been trained to work on high voltage car. Working on electric cars could be dangerous.
3. Type of Pyro Fuse?
3.1 Battery Powered Fuse
Old models are equipped with battery powered fuse.
3.2 Self Powered Fuse
New models are equipped with self powered fuse.
Battery Powered Fuse should be replaced with Self/Current Powered fuse.
4. Cost to replace
Car Under Warranty:
It is recommended to connect with OEM. Please find out more details about Tesla Warranty. Link
Car is not anymore Under Warranty:
Replacement cost can vary according to region/country/city, Type of Workshop in between 300-700 dollar. If you are looking for best affordable workshop. Please have a look in our workshop locator or contact us.
Prices
You can find different Tesla Repair, Service Prices in your region/country/city. Please have a look on another guide. Link
4.1 Labor Cost
4.1.1 Car with Battery 2.0
It will not take long to replace pyro fuse for car with battery 2.0. Fuse is located below the High Voltage Battery. It could take around 0,54 hrs to replace and will cost labor around 115-150. Labor cost could vary depend on type of workshop, location etc.
4.1.2 Car with Battery 1.0.
It will take longer to replace fuse for car with battery 1.0. Fuse is located on top of the high voltage battery. It need to drop the whole battery pack to replace the Fuse. It takes a long time and it is expensive. Please feel free contact us if you are looking for best affordable workshop.
4.2 Part Cost
Pyro Fuse will cost around 175.
Tesla Part Number: 1111313-00-F
Please make sure you buy correct part number for your model. In case, if need support or have any question to buy correct part number for your model. Please feel free to contact us. We will be happy to help you.
5. Buy Pyro Fuse
If you would like to buy Pyro Fuse. Please Contact Us or check out part in our part collection list.
6. Book an Online Appointment to Replace Pyro Fuse with best affordable Tesla Independent Workshop
If you would like to book an appointment for Pyro fuse replacement or other repairs/service. Please contact us or find an Workshop in our Workshop Locator and book an Appointment.
7. Fuse Cover Upgrade
Tesla original fuse cover corrode with time. After corrosion, it could enter water inside pack and will create internal isolation. In some case, it could destroy battery and might need to replace new high voltage battery pack, which could cost until 17,000 thousands of dollars/euro. It is highly recommend to upgrade fuse cover as a preventative maintenance to avoid huge repair cost, which could cost from 3,500 to 17,000 thousands.
There are some aftermarket fuse cover available with different material (Stainless Steel, Anodized aluminum etc), which prevent from corrosion. Please check out more details in another guide (How to do, how much it cost, buy online fuse cover etc.) Link
Alert Code
Some of most common possible alert code
You might have received one of following alert.
- BMS_u031
- BMS_u032
- BMS_w176
- BMS_u031
- BMS_u032
- BMS_u032_ReplaceSmartFuseNeeded
- BMS_w176
8 How to Replace Tesla Pyro Fuse
Warning: It is recommend to replace Pyro Fuse from Expert/Specialist, who have been trained to work on high voltage car. It could be dangerous.
Replacement process for Model 3 & Y is almost similar except few difference (Seat removal process). This process can vary depend on which model do you have and which battery version 1 or 2.
If you would like to book an appointment with best affordable workshop. Please book an online Appointment with transparent prices (no hidden cost, unexpected surprises).8.1 Steps to replace Pyro Fuse
Following steps are only for information purpose. Please use official Service Manual.- Disconnect 12V battery (negative terminal first)
- Disconnect first responder loop
- Use proper PPE (Personal Protective Equipment)
- Check absence of high voltage
- Use fully insulated tool to replace pyro fuse
- Reconnect first responder loop
- Reconnect Low Voltage Battery
- Reconfigure the Car
- Car need to reconfigured depending on which Micro Controller Unit (MCU) is equipped in car.
- Coolant Air Purge
Battery 1.0
Procedure to replace, if your car has battery 1.0.
Battery 2.0
Procedure to replace, if you car has battery 2.0
9. Online Support
In case, if you need any support/help. We also provide online support, consulting etc. Please Contact Us Phone/Whats App +49(0)15226242038
10. Find, compare and Book best affordable workshop to replace Fuse
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. Else, please find, compare and book best workshop in Workshop Locator
11. 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
Donation/Support
If you feel you have benefited from this guide. Please consider donation, which will help us to create more such free guide for you. It will also show us that this guide was helpful for you. Click on "Donation"
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 in your region. Please contact us.
Comment
Please leave us comment if you have any questions, if you would like to add/edit/delete some content in guide, if you would like to have guide on any another topic etc.
Share this guide Link
Please feel to share this guide/website link.
FAQ
Does it cover under warranty?
If car is still under warranty. Please contact to Tesla.
Car not under Warranty?
We recommend you to do with Independent Workshop. You can find best affordable workshop near you in Workshop Locator.
If you are looking for Workshop which offers such services. Please Contact Us.
Is it okay to drive the car?
It is hard to say how long car can drive. It could shuts down completely which will be expensive repair. It is recommend to book an appointment to change Pyro Fuse.
Is it safe to drive car.
Yes, however you should replace fuse ASAP.
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 Service Manual
