Tesla "Acceleration and top speed reduced" Guide to Fix it (BMS_a170, BMS_u008) Cost, Online support

1. Introduction

This is generic alert. There could be many reasons for it.

Tesla Acceleration and top speed reduced how to Fix it

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. In case, you need support for diagnosis. Please contact us.

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.

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.

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

3.1 High Voltage Circuit Integrity check

3.2 A/C Compressor

Please check out more details about about A/C Compressor repair. Link

3.3 Drive Unit

In most of cases, issue could be with Drive Unit Inverter.

Please check out more details about about Drive Unit repair. Link

4. Cost

Cost could vary depend on issue, type of workshop, location. If you are looking for online support or affordable independent workshop. Please free to contact us or have a look in Price List

5. Online Support

In case, if you need any support. Please contact us.

6. Find, compare and Book 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

7 Alert Code

Possible alert code

1. BMS_u008

Tesla "Acceleration and top speed  reduced" BMS_u008 How to Fix

2. BMS_a170_SW_Limp_Mode

Tesla BMS_a170 Top Speed and acceleration reduced guide to fix it
Tesla BMS_a170_SW_Limp_Mode how to fix

8. Book an Appointment

If you would like to book an appointment.

Book an Appointment to Fix an affordable Workshop

9. Buy New/Used Spare Parts

Please have a look in catalog or contact us.

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Disclaimer: Tesla, Inc. was not involved in the creation of this document. Tesla did not provide us any info. Tesla did not edit, review or authorize us. We gather this information from Tesla official website and other resources.

Note: It is your responsibility to double check and confirm that the procedures/info mentioned in this blog are applicable to your specific car before performing them. Please contact us or our workshop partner to make sure/confirm. We will be happy to help you.