NHTSA ID Number: 11020192
Manufacturer Communication Number: SB-25-31-004
TSB/Document Date: 2025-07-04
Summary
A firmware diagnosis feature is being introduced on Model 3 and Model Y vehicles that monitors wheel alignment over time. This feature detects changes in wheel alignment that may be related to incorrect tire pressures, degraded ball joints, bushings or damaged suspension links. If the feature determines that an inspection at a Tesla
Service Center is required, a customer-facing alert will appear on the touchscreen.
Tesla, Inc.
Service Bulletin
SB-25-31-004
June 24, 2025
Classification
Repair Bulletin
Model
2017+
Model Y
Section/Group
Mobile Service
Country/Region
Build Location
31 - Suspension
Model Year
Model 3
Inspect Front And Rear Chassis
Abnormalities (Tire Pressure, Bolted Joint,
Wheel Alignment)
Configuration
Cannot Perform
North America, Australia
All
Giga Shanghai, Fremont
2020+
The model(s) and model year(s) listed are a general approximation of the affected VIN list. Refer to the VIN/Bulletin Tracker or Customer/Vehicle profile to determine
applicability of this bulletin for a particular vehicle.
Repair Bulletin: This repair bulletin provides instructions on addressing a possible customer concern regarding the operation of
Tesla vehicles. These instructions should only be performed by trained professionals.
Condition
A firmware diagnosis feature is being introduced on Model 3 and Model Y vehicles that monitors wheel alignment over
time. This feature detects changes in wheel alignment that may be related to incorrect tire pressures, degraded ball
joints, bushings or damaged suspension links.
If the feature determines that an inspection at a Tesla Service Center is required, a customer-facing alert will appear
on the touchscreen.
Correction
Inspect the tire pressure, ball joints, bushings, suspension links and front and/or rear subframe; and replace the
component(s) if needed.
Time
2017-2023 2024+ 2020-2024 2025+
Model 3 Model 3 Model Y Model Y
Correction Description
Correction
Customer Declined Inspection
S012531004
0.00
0.00
0.00
0.00
Inspect Vehicle: No Replacement Needed
S022531004
0.72
0.72
0.72
0.72
Inspect Vehicle: Customer Declined Repairs
S032531004
0.72
0.72
0.72
0.72
Inspect Vehicle: Parts Replaced
S042531004
0.72
0.72
0.72
0.72
NOTE: If inspection determines that replacements are necessary, follow the instructions below:
•
If only suspension links (and not subframes) require replacement:
1.
Add correction code S042531004 to the Service Visit.
2.
Add the Service (Remove and Replace) correction code for the affected suspension part to a
separate activity.
NOTE: If needed, Pair or Set correction codes may exist. Refer to the Correction Code database
for more information.
NOTE: The parts required for this repair should be automatically populated to the repair order
according to the correction performed. If parts are not automatically added to the repair order, refer
to the Parts Catalog to add the required parts.
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3.
If more than 1 suspension part requires replacement, and a pair/set correction code does not exist,
add correction code 31000000 “Additional Suspension Link (Access Already Performed) (Remove
and Replace)” to a separate activity in the Service Visit, one time for each additional suspension
link replaced.
NOTE: Refer to the Parts Catalog to add the required parts.
•
If the front and/or rear subframe require replacement, add S042531004 to the Service Visit, and then add
the corresponding subframe replacement Service correction code(s) to a separate activity in the Service
Visit. Refer to the Correction Code database for more information.
NOTE: If the front and/or rear subframe and suspension components require replacement, add only
the subframe correction code to a separate activity.
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Procedure
1. Check the vehicle tire pressure and adjust if needed.
2. Remove the rear wheels (refer to Service Manual procedure: 2017-2023 Model 3, 2024+ Model 3, 2020–2024
Model Y, 2025+ Model Y).
3. Inspect the ball joints in the following components for cracks, grease leakage, improperly seated boots, or
punctured boots. Use a pry bar to verify that the ball joint does not rotate freely. Note your findings:
a. The LH and RH tie rod ends.
Figure 1 – RH tie rod end, LH similar
b. The LH and RH front upper control arms.
Figure 2 – RH upper control arm, LH similar
4. Remove the front aero shield panel (refer to Service Manual procedure: 2017-2023 Model 3, 2024+ Model 3,
2020–2024 Model Y, 2025+ Model Y).
5. Inspect the inner bushings in the following components for unusual cracks. Use a pry bar to verify that there is no
excessive movement. Note your findings:
NOTE: If cracking is observed in the red area outlined in the images below, replace the component.
TIP: Click here to watch a video that shows how to inspect the bushings for cracks.
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SB-25-31-004
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a. The LH and RH front compliance links.
Figure 3 – LH front compliance link, RH Similar
Figure 4 – Cracking in compliance link
b. The LH and RH front lower lateral links.
Figure 5 – RH front lower lateral link, LH similar
Figure 6 – Cracking in lateral link
6. Inspect the ball joints in the following components for cracks, grease leakage, improperly seated boots, or
punctured boots. Use a pry bar to verify that the ball joint does not rotate freely. Note your findings:
a. The LH and RH front compliance link to knuckle ball joints.
Figure 7 – LH front compliance link to knuckle ball joint, RH similar
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_
b. The LH and RH front lower lateral link to knuckle ball joints.
Figure 8 – LH front lower lateral link to knuckle ball joint, RH similar
7. Remove the mid aero shield panel (refer to Service Manual procedure: 2017-2023 Model 3, 2024+ Model 3,
2020–2024 Model Y, 2025+ Model Y).
8. Remove the LH and RH rear suspension covers (refer to Service Manual procedure: 2017-2023 Model 3, 2024+
Model 3, 2020–2024 Model Y, 2025+ Model Y).
9. Inspect the bushings in the LH rear toe link for unusual cracks. Use a pry bar to verify that there is no excessive
movement. Note your findings:
a. The inner bushing of the LH rear toe link to the subframe.
Figure 9 – Inner bushing of the LH rear toe link
b. The outer bushing of the LH rear toe link to the knuckle.
Figure 10 – Outer bushing of the LH rear toe link
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_
10. Inspect the bushings in the LH rear lower aft link for unusual cracks. Use a pry bar to verify that there is no
excessive movement. Note your findings:
NOTE: Inspect both sides of the bushings.
a. The inner bushing of the LH rear lower aft link to the subframe.
Figure 11 – Inner bushing of the LH rear lower aft link
b. The outer bushing of the LH rear lower aft link to the knuckle.
Figure 12 – Outer bushing of the LH rear lower aft link
11. Inspect the bushings in the LH rear upper aft link for unusual cracks. Use a pry bar to verify that there is no
excessive movement. Note your findings:
NOTE: Inspect both sides of the bushings.
a. The inner bushing of the LH rear upper aft link to the subframe.
SB-25-31-004
Figure 13 – Inner bushing of the LH rear upper aft link
_
Page 6 of 11
b. The outer bushing of the LH rear upper aft link to the knuckle
Figure 14 – Outer bushing of the LH rear upper aft link
12. Repeat step 9 through step 11 for the RH side of the vehicle.
13. Check the torque of the following fasteners:
•
If the fasteners rotate less than 180 degrees, torque the fasteners to standard value listed in the service
manual.
•
If the fasteners rotate more than 180 degrees, remove the fasteners and check their associated
components for damages. Install new fasteners and replace any damaged components as needed.
CAUTION: All removed fasteners must be replaced with new ones.
The nut that attaches the LH front upper control arm to the front knuckle. Refer to the Service
Manual Procedure: 2017–2023 Model 3, 2024+ Model 3, 2020–2024 Model Y, 2025+ Model Y.
Figure 15 – Nut that attaches the LH upper control arm to the knuckle
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The bolt that attaches the LH front lower compliance link to the front subframe. Refer to the
Service Manual Procedure: 2017–2023 Model 3, 2024+ Model 3, 2020–2024 Model Y, 2025+
Model Y.
Figure 16 – Bolt that attaches the LH front lower compliance link to the subframe
The bolts (x2) that attach the LH front lower lateral link to the front subframe. Refer to the
Service Manual Procedure: 2017–2023 Model 3, 2024+ Model 3, 2020–2024 Model Y, 2025+
Model Y.
NOTE: If the bolt rotation is less than 180 degrees, retighten the bolts to 135 Nm;
otherwise replace the bolts and tighten them to the standard torque value listed in the service
manual.
Figure 17 – Bolts that attach the LH front lower lateral link to the front subframe
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The nut that attaches the LH rear toe link to the rear subframe. Refer to the Service Manual
Procedure: 2017–2023 Model 3, 2024+ Model 3, 2020–2024 Model Y, 2025+ Model Y.
Figure 18 – Nut that attaches the LH rear toe link to the rear subframe
The bolt that attaches the LH rear toe link to the rear knuckle. Refer to the Service Manual
Procedure: 2017–2023 Model 3, 2024+ Model 3, 2020–2024 Model Y, 2025+ Model Y.
Figure 19 – Bolt that attaches the LH rear toe link to the rear knuckle
The bolt that attaches the LH rear lower aft link to the rear subframe. Refer to the Service
Manual Procedure: 2017–2023 Model 3, 2024+ Model 3, 2020–2024 Model Y, 2025+ Model Y.
Figure 20 – Bolt that attaches the LH rear lower aft link to the rear subframe
Page 9 of 11
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_
The bolt that attaches the LH rear lower aft link to the rear knuckle. Refer to the Service
Manual Procedure: 2017–2023 Model 3, 2024+ Model 3, 2020–2024 Model Y, 2025+ Model Y.
Figure 21 – Bolt that attaches the LH rear lower aft link to the rear subframe
The bolt that attaches the LH rear upper aft link to the rear subframe. Refer to the Service
Manual Procedure: 2017–2023 Model 3, 2024+ Model 3, 2020–2024 Model Y, 2025+ Model Y.
Figure 22 – Bolt that attaches the LH rear upper aft link to the rear subframe
The bolt that attaches the LH rear upper aft link to the rear knuckle. Refer to the Service
Manual Procedure: 2017–2023 Model 3, 2024+ Model 3, 2020–2024 Model Y, 2025+ Model Y.
Figure 23 – Bolt that attaches the LH rear upper aft link to the rear knuckle
Repeat step 13 on the RH side of the vehicle.
14. Install the LH and RH rear suspension covers (refer to Service Manual procedure: 2017-2023 Model 3, 2024+
Model 3, 2020–2024 Model Y, 2025+ Model Y).
15. Install the mid aero shield panel (refer to Service Manual procedure: 2017-2023 Model 3, 2024+ Model 3,
2020–2024 Model Y, 2025+ Model Y).
SB-25-31-004
Page 10 of 11
_
16. Install the front aero shield panel (refer to Service Manual procedure: 2017-2023 Model 3, 2024+ Model 3,
2020–2024 Model Y, 2025+ Model Y).
17. Install the rear wheels (refer to Service Manual procedure: 2017-2023 Model 3, 2024+ Model 3, 2020–2024
Model Y, 2025+ Model Y).
18. Connect a laptop with Toolbox 3 to the vehicle (refer to Service Manual procedure: 2017-2023 Model 3, 2024+
Model 3, 2020–2024 Model Y, 2025+ Model Y).
19. In Toolbox, click on the Actions/Autodiag tab, and then search for " Clear Alert".
20. Click PROC_ICE_X_CLEAR-SERVICE-ALERT, click Run, and allow the routine to complete.
21. Disconnect Toolbox and remove the laptop from the vehicle.
22. If a suspension component was replaced, refer to the Alignment Requirement tables to determine whether an
alignment check is necessary (refer to Service Manual procedure; 2017-2023 Model 3, 2024+ Model 3, 2020-2024
Model Y, 2025+ Model Y).
NOTE: If needed, add the alignment correction code to a separate activity in the Service Visit.
23. If a suspension component was not replaced, perform a four-wheel alignment check (refer to Service Manual
procedure; 2017-2023 Model 3, 2024+ Model 3, 2020-2024 Model Y, 2025+ Model Y).
NOTE: Add the alignment correction code to a separate activity in the Service Visit.
Page 11 of 11
SB-25-31-004
For feedback on the accuracy of this document, email ServiceBulletinFeedback@tesla.com
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TSB/Document ID: SB-25-31-004
Replacement Service Bulletin Number:
MFR Communication Date: 2025-06-24
MFR Internal Campaign ID/Software Version: SB-25-31-004
Communication Type: Service Bulletin/Repair Instructions
NHTSA Components: SUSPENSION
MFR Component System:
MFR Component Subsystem:
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