NHTSA ID Number: 11020433
Manufacturer Communication Number: 37333
TSB/Document Date: 2025-07-08
Summary
This is a Technical Journal: Subwoofer Poor Sound. If experiencing a disturbing noise when playing music with powerful base, reffering to TJ_37333_1.mp4 in attachment, please follow the attached instruction "TJI-531549-1_1_2".
Volvo
Car USA LLC
Technical Journal
Technical Journal Title
Ref. No.
Subwoofer Poor Sound
TJ 37333.1.0
Issuer (Dept.)
Issue Date
Status Date
3/27/25
4/1/25
Technical Service
Car Market
Partner
Function Group
United States and Canada
3 US 7510 Volvo Car USA
3956
Function Description
Page
Power amplifier; high-power cables
Page 1 of 6
Attachment
File Name
File Size
TJI-531549-1_1_2_en-US.pdf
1.0525 MB
DESCRIPTION:
If the customer complains on disturbing noise from the rear/luggage compartment of the vehicle
when playing music with powerful bass, follow advice under “Service”.
This TJ only concerns vehicles with Audio level:
VDN code: K502 - AUDIO SYSTEM Audio level 2 (BOSE)
VDN code: K503 - AUDIO SYSTEM Audio level 3 (Bowers & Wilkins)
CSC Customer Symptom Codes
Code
Description
FW
Speakers/Crackly sound
FX
Speakers/Muffled sound
FY
Speakers/Distorted sound
DTC Diagnostic Trouble Codes
Vehicle Type
Type
Eng
Eng
Desc
Sales
356
Body
Gear
Steer
Model Year
2025-9999
Plant
Chassis range
Struc Week
Range
-
202417-999952
SERVICE:
If experiencing a disturbing noise when playing music with powerful base, reffering to TJ_37333_1.
mp4 in attachment, please follow the attached instruction “TJI-531549-1_1_2”.
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.
Note that the TJ number must be stated in the repair order text.
Technical Journal 37333.1.0
VST Operation Number
VST Operation Number
Description
98782-2
Subwoofer luggage compartment adjust acc. to TJ
VEHICLE REPORT:
Yes, please submit a Vehicle Report if the service solution described in this TJ has no effect. Use
concern area “Vehicle Report” and sub concern area “Support needed”, use function group 3956.
To view TJ attachments continue to next page. This TJ has one attachment.
Page 2 of 6
2025-04-01
Volvo Car Customer Service
Title
Subwoofer
Action
Issue
1
TJ Instruction VCC-531549-1
Adjustment
Date
2025-02
Reason
First issue
Affected vehicles
Model year Model
2025, 2026 EX90
Materials
Tape
Qty.
1
Materials
Part No.
31424536
Notes
Page
1(4)
Operation number:
98782-2
TJ Instruction VCC-531549-1
Page 2 ( 4 )
Color symbols
Note! This colour chart displays (in colour
print and electronic version) the importance
of the different colours used in the images
of the method steps.
1 . Used for focused component, the
component with which you will do
something.
2 . Used as extra colors when you need to show
or differentiate additional parts.
3 . Used for attachments that are to be
removed/installed. May be screws, clips,
connectors, etc.
4 . Used when the component is not fully
removed from the vehicle but only hung to
the side.
5 . Used for standard tools and special tools.
6 . Used as background color for vehicle
components.
Removal
Loosen the component indicated. Do not
remove it.
TJ Instruction VCC-531549-1
Page 3 ( 4 )
Note! The number of connectors may vary
depending on the vehicle's equipment level.
Disconnect the connectors.
Remove the panel.
Remove the screw.
Loosen the clip.
Loosen the marked detail.
Torque:
M6 , 10 Nm
TJ Instruction VCC-531549-1
Page 4 ( 4 )
Note! Fold the marked component properly
around the edge.
Apply tape.
Use: Tape , 31424536
Apply tape.
Use: Tape , 31424536
Installation
Reinstall the removed parts in reverse order.
- 💯【Conta.ct us for Support Directly】If you met any...
- 🔥🔥🔥【2026 AUTEL FLAGSHIP MK900BT MK900-BT, NEW...
- 🚗【3000+ ACTIVE TESTS (50➡3000+), SAME AS MS...
- 🚗【40+ HOT SERVICES FOR 150 MAKES (28+➡40+)】Full...
- 🚗【OE ALL SYSTEM DIAGNOSE, AUTO SCAN 2.0: SCAN LICENSE...
- 【TURN OFF CEL】 This AL319 car scanner diagnostic tool...
- 【EXTENSIVE APPLICATION】 Autel AL319 Compatible with...
- 【FOR END USER & DIYERS】 This error code reader AL319 is...
- 【USER-FRIENDLY DESIGN】 This OBD2 scanner and check...
- 【HIGH-QUALITY SERVICES】 12 months war.ranty from the...
Last update on 2026-06-23 / Affiliate links / Images from Amazon Product Advertising API
If the PDF is very large, it may not load in the preview below.
Some older TSBs had multiple PDFs — visit the NHTSA Website to view all PDFs.
If the TSB PDF does not show, download or view it on the NHTSA Website.
Click on the (+) Plus Sign
Then Click on Associated Document(s)
Search NHTSA Database for Recalls
Search NHTSA Database for Vehicle Investigations
View Latest Vehicle Investigations
Search NHTSA Database for Vehicle Complaints
View Latest Vehicle Complaints
TSB/Document ID: 37333
Replacement Service Bulletin Number:
MFR Communication Date: 2025-04-02
MFR Internal Campaign ID/Software Version:
Communication Type: Service Bulletin/Repair Instructions
NHTSA Components: UNKNOWN OR OTHER
MFR Component System:
MFR Component Subsystem:
Previous TSB | Next TSB |
- 【OE-Level Full System Diagnostics-Lifetime F*REE Software Updates】The VDIAGTOOL D200 OBD2 Scanner for cars is a all system bidirectional scan tool that enjoy lifetime f*ree software updates, delivers complete system coverage. reading/clearing codes across engine, transmission, ABS, SAS, EPB, TPMS plus full access to body, chassis, powertrain and all control modules. This D200 Bidirectional car scanner works with most 1996+ OBD2 gasoline and hybrid
cars and light trucks. It does NOT support pure electric and heavy-duty trucks. PLEASE CHECK COMPATIBILITY BEFORE ORDERING or Contact us with VIN to confirm compatibility. - 【Supports OBD2 Full Functions-ZERO Subscription Fees】D200 Bidirectional OBD2 Scanner is a upgarde of universal car code reader. It supports OBD2 full functions to help you turn off the annoying instrument fault indicator, such as read/clear codes, O2 sensor test, I/M readiness, on-board monitor test, datastream, freeze frame, E-VAP system test, and retrieve vehicle information. This professional obd2 scanner diagnostic tool can full access to diagnostics, reset tools and maintenance features with a single payment. NOTE: The fault code can only be cleared after the vehicle's malfunction has been repaired; please ensure the vehicle issue is fixed before clearing the code.
- 【D200 Hidden 2 Advantages: 1. $169 Expandable 49+ Advanced Resets. 2. $199 Get J2534 P*a*s*s-Thru Programming】Your core car diagnostics and 26 reset remain lifetime f*ree for everyday maintenance. When you need deeper repair capability, upgrade with 3-year access for $169 in Store on VDIAGTOOL App, gaining 49+ advanced resets. D200 configured with J2534 hardware, upgrade only when you need without replacing the entire device. You also can Lifetime Unlock for $199 in Store one-time, perform module programming, software re~flashing and ECU data updates directly. Supports 17+ major brands, including for BMW, for Audi, for GM, for Ford and more. Note:D200 does‘t provide any OE software.
- 【Full Bidirectional Control / Active Tests】The D200 car scanner diagnostic tool is a true bidirectional scan tool that lets you send commands directly to the vehicle’s ECU for active tests. Quickly test fuel pumps, relays, solenoids, injectors, cooling fans, windows, sunroofs and more to verify operation instantly. Get dealership-level diagnostic control at a fraction of the cost (ofter $100-200$ per diagnostic visit), reduce guessworkand confirm repairs faster, avoid unnecessary parts replacement, towing fees and wait times.
- 【26 F*ree Essential Reset & Relearn Functions – Everyday Maintenance Made Easy】Handle common maintenance and repair jobs without visiting the shop. The D200 code readers & scan tools includes 26 f*ree high-demand reset functions, including Oil Reset, EPB Service, SAS Calibration, ABS Brake Bleeding, Throttle Relearn, Injector Coding, Headlight Adjustment, Tire Size Reset and more. Perfect for home car owners, mechanics and DIYers – just plug and diagnose anytime, anywhere! Note: Service functions vary by vehicle model—please confirm compatibility.
- 【A MUST-HAVE TOOL FOR DIYERS】 - VDIAGTOOL VD10 car code reader is an incredibly useful obd scanner for each car owner or hobbyist, even for those with little to no experience when it comes to vehicle mechanics! Similar to a fixd car diagnostic tool, using this car diagnostic scanner is extremely easy. All you have to do is attach it to your car OBDII port and you can diagnose car problems in seconds! Read Codes (DTCs); Clear Codes; Live Data; View Freeze Frame; I/M Readiness; Vehicle Information.
- 【KEEP ENGINE IN GOOD STATUS】 - VDIAGTOOL check engine code reader brings a fast access to scan, read the car fault code, show its definition on the screen instantly, troubleshooting to find the root causes of problems, erase the engine fault code and turn off the MIL (Malfunction Indicator Light). Similar to a fixd car diagnostic tool, this car code reader helps ensure your engine stays in top condition.
- 【READ/CLEAR CODES & DTC LOOKUP】- No search online & saving your time, this vehicle car code reader retrieves generic (P0, P2, P3, and U0), manufacturer specific (P1, P3, and U1) codes, pending codes and displays DTC definitions based on the built-in database(more than 3000 codes) on the TFT screen, find out the root causes and clear the codes after fixed.
- 【LIVE DATA & RETRIEVE FREEZE FRAME】 - This diagnostic scan tool for accurate diagnosis enables you to retrieve data from vehicle sensors, such as Engine RPM, Intake air temperature, Short/Long term fuel, Misfire data and etc. The freeze frame is stored in the PCM together with the diagnostic trouble code (DTC) related to the fault. Comparable to a fixd car diagnostic tool, the VD10 car code reader car scanner can be a valuable & practical diagnostic aid and also greatly help when diagnosing intermittent problems.
- 【I/M READINESS for THE S-nn-0-g CHECK】- OBDII vehicle may not pass the annual inspection unless the required monitors since reset are complete. So you should at least read the readiness monitors and make sure they are ready. This car obd2 scanner diagnostic tool is equipped with I/M readiness function to check the operations of the e-m-issi0n system on OBD2 compliant vehicles, run I/M monitor readiness test, checking if the pass vehicle s-m-0-g inspection.
- 【Professional Diagnostics】 The VD80 BT Lite bidirectional obd2 scanner is a professional OBD2 scanner diagnostic tool, delivering vehicle diagnostics right in your own garage. It supports 4,000+ active diagnostic tests, 28+ maintenance service functions, ECU coding, PMI calibration, brake service reset, and OEM-grade full-system vehicle scanning—perfect for DIYers and pros looking for powerful automotive tools. The available function tests vary by model—please to confirm compatibility.
- 【ADVANCED ECU CODE, CUSTOMIZE OE-SETTINGS】As a complete car code reader and reset tool, the VD80 BT Lite bidirectional obd2 scanner supports ECU coding for VW, for Audi, for BMW, for Benz, for Mitsubishi and more. PMI function for Ford/for Lincoln/for Mazda, supports copy data into new module. Step-by-step Guided Diagnostics makes complex jobs easier—making this one of the most reliable code readers & scan tools on the market.
- 【100000+ Vehicles Compatibility – CAN FD/DOIP】 VD80 BT Lite Auto Scanner Compatible with 100,000+ vehicles worldwide, this bidirectiona car scanner works with all OBD2-compliant vehicles manufactured after 1996, covering more than 100 brands worldwide. It also supports CAN FD, DOIP and FCA Secure Gateway protocols, boost 2X faster data transfer, covers 99% of U.S., EU and Asian cars. With 22 languages and 2 years of f*ree updates—future-proofing your car reader diagnostic for all cars.
- 【28+ Maintenance Services & Calibration Functions】VD80 BT Lite scanner for car Supports 28 maintenance services, including resetting oil and service lights after routine maintenance, registering new batteries for proper system operation, and clear clogged filters and restore performance. Additionally, it calibrates TPMS sensors after tire rotations, resets brake systems after pad replacements, relearns steering angle sensors after alignments, and more. These functions help your vehicle quickly and accurately return to peak performance—without the costly dealer visits.
- 【True Bidirectional Control – Diagnose with Confidence】Standing out with full-system coverage and extensive active test capabilities, the VD80 BT Lite bidirectional scan tool retrieves data from electronic control units and performs a wide range of active tests. You can real-time control over modules like fuel pumps, windows, A/C clutches, and relays. Perform 100+ advanced functions including throttle adaptation, injector coding, VIN write, idle relearn, and ABS bleed—helping you fix it right the first time with this all-in-one car diagnostic scanner.
Last update on 2026-06-23 / Affiliate links / Images from Amazon Product Advertising API
This product presentation was made with AAWP plugin.