SB-22-00-014 Loss of Power Steering Assist – 2017-2021 Tesla Model S & Model X

November 1, 2022 NHTSA CAMPAIGN NUMBER: 22V818000

Loss of Power Steering Assist

A loss of power steering assist can require greater steering effort, especially at low speeds, increasing the risk of a crash.

 

NHTSA Campaign Number: 22V818000

Manufacturer Tesla, Inc.

Components STEERING

Potential Number of Units Affected 40,168

 

Summary

Tesla, Inc. (Tesla) is recalling certain 2017-2021 Model S and Model X vehicles. The electronic power assist steering (EPAS) system may experience a loss of power steering assist when driving on rough roads or after hitting a pothole.

 

Remedy

Tesla has released an over-the-air (OTA) software update to recalibrate the EPAS system, free of charge. Owner notification letters were mailed December 31, 2022. Owners may contact Tesla customer service at 1-877-798-3752. Tesla’s number for this recall is SB-22-00-014.

 

Notes

Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.nhtsa.gov.

 

Check if your Tesla has a Recall

 


SB-22-00-014
November 4, 2022

Update Vehicle Firmware to Correct EPAS Software

Recall Bulletin: Recall Bulletins are mandatory service procedures that, unless they can be completed via a firmware update that a customer installs through the normal course of ownership, must be carried out by Tesla-certified Service Centers. Recall work performed by uncertified technicians could lead to unsafe conditions or voided warranty provisions.

 

Condition

Certain 2017-2021 Model S and Model X vehicles may require a firmware update to address a possible reduction or loss of power steering assist. A reduction or a loss of power steering assist does not affect steering control, but may require greater steering effort by the driver, particularly at low speeds.

 

Correction

Inspect the vehicle firmware version, and if necessary, update the vehicle firmware to version 2022.36.5 or later.

 

Procedure

On the vehicle touchscreen, touch Controls (vehicle icon) > Software, and then scroll down to display the vehicle firmware version.

  • If the vehicle is operating with firmware version 2022.36.5 or later, no further action is Use correction code S012200014.
  • If the vehicle is operating with a firmware version before 2022.36.5, update to version 36.5 or later (refer to Service Manual procedure 00020003; Model S, Model X). Use correction code S022200014.

 


This notice is sent to you in accordance with the National Traffic and Motor Vehicle Safety Act. Tesla, Inc. has decided that a defect, which relates to motor vehicle safety exists in certain Model Year 2017-2021 Model S and Model X vehicles. Our records show that you are the owner of a vehicle affected by this action.

 

REASON FOR THIS RECALL

Release of Software Package 2022.36 changed calibration values for the electronic power assist steering (EPAS) system, which may inadvertently classify forces from external road dynamics (i.e., potholes or bumps) as unexpected steering assist torque, possibly resulting in reduced or lost power steering assist. Reduced or lost power steering assist may require greater steering effort, especially at lower speeds, which may increase the risk of a crash.

 

WHAT TESLA WILL DO

Tesla remedied this issue with a free over-the-air (“OTA”) software update that reverts the calibration values for the EPAS.

 

WHAT YOU SHOULD DO

Please check that your vehicle is running software version 2022.36.5 or any later release, all of which contain the remedy. You can check the software version running on your vehicle by tapping ‘Controls’ then ‘Software’ on your touchscreen. If your vehicle is running any one of the software versions listed above, then there is no further action that you need to take, and you may disregard this notice. If your vehicle is not running one of these software versions, then please install the latest pending software update through your Tesla app, or by tapping the yellow clock icon on your vehicle’s touchscreen and following the prompts. For awareness, software updates typically take between 20 to 60 minutes to complete. See www.tesla.com/support/software-updates for additional details on Tesla vehicle software updates.

If you believe that Tesla has failed or is unable to remedy this defect without charge or within a reasonable time, you may submit a complaint to the Administrator, National Highway Traffic Safety Administration, 1200 New Jersey Avenue SE, Washington, DC 20590, by calling 1-888-327-4236 (TTY: 1-800-424-9153), or by visiting www.safercar.gov.

Federal law requires any lessor who receives a notification of a noncompliance or safety-related defect determination pertaining to any leased motor vehicle to send the notice to the lessee within 10 days.

 


Chronology :

– On October 11, 2022, Tesla began broadly rolling out firmware release 2022.36 to the vehicle fleet, which included updated calibration values for the electronic power assist steering (EPAS) system to better detect unexpected steering assist torque.

– Beginning on October 18, 2022, Tesla identified an increasing rate of alerts related to the updated EPAS calibration values on certain 2017-2021 Model S and Model X vehicles.

– On October 19, 2022, Tesla began deploying firmware release 2022.36.5 to the vehicle fleet, which reverted the calibration values for the EPAS to pre-2022.36 values, while Engineering assessed potential root causes and evaluated the condition

– From October 19, 2022, through October 24, 2022, Tesla investigated the alert occurrences and completed a risk assessment of the condition based on severity and rate of occurrence.

– On October 25, 2022, based on the risk assessment, Tesla made a determination to voluntarily recall the affected vehicles.

– As of November 1, 2022, Tesla identified 314 vehicle alerts for this condition among U.S. vehicles (received between October 11, 2022, and November 1, 2022) that are related to or may be related to this condition. Tesla is not aware of any injuries or deaths related to this condition.

 


10 Affected Products

Vehicles

MAKEMODELYEAR
TESLAMODEL S2017-2021
TESLAMODEL X2017-2021

 


7 Associated Documents

Defect Notice 573 Report

RCLRPT-22V818-6624.PDF 215.017KB

 


Recall Acknowledgement

RCAK-22V818-4620.pdf 691.376KB

 


Remedy Instructions and TSB

RCRIT-22V818-4946.pdf 128.645KB

 


Owner Notification Letter(Part 577)

RCONL-22V818-1488.pdf 106.831KB

 


Recall Quarterly Report #1, 2022-4

RCLQRT-22V818-3481.PDF 211.124KB

 


Recall Quarterly Report #2, 2023-1

RCLQRT-22V818-0378.PDF 211.229KB

 


Recall Quarterly Report #3, 2023-2

RCLQRT-22V818-2451.PDF 211.31KB

 


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