NHTSA ID Number: 11011735
Manufacturer Communication Number: 34521
TSB/Document Date: 2024-12-10
Summary
This is a Technical Journal: Headlamp condensation inside lens - information/leak test. If the result is not ok (air leak), it is ok to replace the headlamp
Volvo
Car USA LLC
Technical Journal
Technical Journal Title
Ref. No.
Headlamp condensation inside lens - information/leaktest
TJ 34521.6.0
Issuer (Dept.)
Issue Date
Technical Service
Status Date
10/23/24 10/30/24
Car Market
Partner
Function Group
United States and Canada
3 US 7510 Volvo Car USA
3521
Function Description
Page
Headlamp, complete
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.
DESCRIPTION:
* Vehicle Type added.
If there is condensation, moisture or mist inside the headlamp lens, follow advice under Service.
CSC Customer Symptom Codes
Code
Description
W4
Headlights/Moisture/mist on inside of lens
DTC Diagnostic Trouble Codes
Vehicle Type
Type
Eng
Eng
Desc
Sales Body Gear Steer Model Year Plant Chassis range
Struc Week
Range
224
2019-9999
0000001-0999999
201835-209952
225
2019-9999
0000001-0999999
201817-209952
227
2019-9999
0000001-0999999
201846-209952
234
2017-2017
0000001-0999999
201617-209952
235
2017-9999
0000001-0999999
201624-209952
236
2017-9999
0000001-0999999
201646-209952
238
2017-9999
0000001-0999999
201646-209952
246
2018-9999
0000001-0999999
201717-209952
256
2016-9999
0000001-0999999
201505-209952
416
2025-9999
0000001-0999999
202336-209952
536
2019-9999
0000001-0999999
201746-209952
539
2022-9999
0000001-0099999
202150-209952
Technical Journal 34521.6.0
SERVICE:
Note that normal condensation will not be solved by replacing the headlamp. The headlamps are
designed to withstand moisture and the functionality of the lamp is not affected by condensation.
To avoid or eliminate moisture in the headlamps, use the car regularly. The car also needs to be used
for longer period of time with low beam on.
(For more general information on condensation in lamps, search for VCC-id, VCC-508662-1 in
VIDA.)
If the condensation/moisture/mist does not disappear despite driving the car for a longer period, see
below steps.
- Check the headlamp assembly, lens, seals and ventilation holes/membrane for cracks or damages.
- Perform a leak test according to repair in VIDA, Information=> Repair => Cleaning, inspection and
adjustment => 3 Electrical system => 35 Lighting => 352 lighting, front => Headlamp leak test
- If the result is not ok (air leak), it is ok to replace the headlamp. Add leak test result in the “repair
order text” field , add video/photos of the symptom and the possible leakage location in Vehicle
report.
- If the test is ok (no air leak), then is it not ok to replace the headlamp. Add leak test result in the
“repair order text” field.
Submit a Vehicle report add leak test result in the “repair order text” field , video/photos of the
symptom and the possible leakage location.
Warranty claim info:
To get warranty claim accepted for the leak test job described in this TJ, please use following data:
VST OP number: 35257-2. Add the test result and the Vehicle report number in “repair order text”
field.
VST Operation Number
VST Operation Number
Description
35208-2
Removal, replacement and installation x2
35257-2
Headlamp, leak test
35203-2
Removal, replacement and installation x1
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 not needed”, use function group
3521.
Page 2 of 2
2024-10-30
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TSB/Document ID: 34521
Replacement Service Bulletin Number:
MFR Communication Date: 2024-11-01
MFR Internal Campaign ID/Software Version:
Communication Type: Service Bulletin/Repair Instructions
NHTSA Components: EXTERIOR LIGHTING
MFR Component System:
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