NHTSA ID Number: 11028333
Manufacturer Communication Number: 37582
TSB/Document Date: 2026-02-05
Summary
This is a TJ - Txt Plus 1 .mov attachment- - If the vehicle requires replacement of the EFAD unit due to an issue with the electric motor, please follow the advice under "Service".
Service and Parts Business
Technical Journal
TITLE:
EFAD Electric Motor Replacement
REF NO:
ISSUING DEPARTMENT:
CAR MARKET:
TJ 37582.3.0
Technical Service
United States and Canada
PARTNER:
ISSUE DATE:
STATUS DATE:
3 US 7515 Polestar
2025-12-16
2026-01-12
FUNC GROUP:
FUNC DESC:
4631
Electrical front axis drive
Page 1 of 2
Rows beginning with * are modified
Note! If using a printed copy of this Technical Journal, first check for the latest online version.
Attachment
File Name
File Size
TJ_37582_1.mov
8.7169 MB
DESCRIPTION:
If the vehicle requires replacement of the EFAD unit due to an issue with the electric motor, please
follow the advice under “Service”.
CSC Customer Symptom Codes
Code
Description
IV
Text window and warning symbol/Text message
DL
Warning lights and chimes/Malfunction Indicator Light ("Check engine" light) indication/no indication
8N
Driving/Unusual noise/Unsure when/at all times
D2
Front/rear axle/Unusual noise
DTC Diagnostic Trouble Codes
Vehicle Type
Type
Eng
Eng
Desc
534
EG
E400V9
Sales Body
Gear
Steer Model Year
2022-2023
Plant
Chassis range
Struc Week
Range
-
202144-202317
Produced and printed in the USA and available as an electronic document.
© Polestar 2026
Technical Journal 37582.3.0
SERVICE:
Do not replace the complete EFAD unit (part number 36003602) before following the instructions in
this journal.
If you receive a vehicle where the fault indicates or requires an electric motor replacement, this is now
possible and should be performed to preserve complete EFAD units.
We will initially offer the electric motor as a separate spare part for this specific part number starting
immediately.
For electrical motor replacement instructions, go to VIDA > Information > Repair > Removal,
replacement and installation > Power Transmission > 465 Final drive (front and rear) > Transmission/
el. motor EFAD
One fault that has been observed is a bearing failure in the electrical motor, which causes noise from
the unit. Please listen to the attached file TJ_37582_1.mov. This noise may vary in intensity compared to
the reference demo.
Note: To perform the repair, special tools are required. A limited number of these tools have been
sent to your markets. You need to submit a “vehicle Report Polestar” with the Sub-Concern area
“Support Needed Polestar” to borrow the special tools for the repair.
Abbreviation:
EFAD - Electrical Front Axle Drive
Warranty claim info:
To get a warranty claim accepted for a job described in this TJ, use the corresponding VST OP number
stated in this TJ.
Please note that fault tracing is not eligible for separate reimbursement under this TJ. Any fault tracing
VST operation numbers will be rejected.
Note that the TJ number must be stated in the repair order text.
VST Operation Number
VST Operation
Number
Description
98804-2
General reimbursement acc. to TJ/QB (0.4)
97733-3
High voltage battery disconnect and connection and insulations measurement acc QB/TJ (0.8)
98757-2
Transmission/electrical motor, EFAD replace acc.to TJ (5.2)
LABOR TIME:
Labor time subject to change without notice.
VEHICLE REPORT:
Yes, please submit a Vehicle Report if the service solution described in this TJ has no effect. Use the
concern area “Vehicle Report” and the sub-concern area “Support Needed”, use function group 4631.
This TJ has one video attachment.
Page 2 of 2
2026-01-12
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TSB/Document ID: 37582
Replacement Service Bulletin Number:
MFR Communication Date: 2026-01-13
MFR Internal Campaign ID/Software Version:
Communication Type: Service Bulletin/Repair Instructions
NHTSA Components: FUEL/PROPULSION SYSTEM
MFR Component System:
MFR Component Subsystem:
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