S3875 202401

Service Campaign S3875
January 2024
(ABS) Software Update and Brake Inspection
Service Category Service
Section Function Group 511
Technician Skill Level A
Market North America
Applicability
VOLVO
Years
2019-2023
Models
VN
Introduction
For certain Volvo Trucks configurations an updated adaptive cruise software has been developed.
The new software will be delivered as an updated PAR file to the ABS Module and will help
reduce heat load on steer axle’s brake assemblies during an adaptive cruise control braking
event. Follow the instructions below to visually inspect the brake rotors on the steer axle for
excessive heat damage and update the ABS software.
Production Change Information
This bulletin applies to vehicles built within the specified production changes below.
Brand
Engine
Emission Level
Starting Build Date Ending Build Date
Volvo
D11, D13
EM-USA17, EM-USA21 11-November-2018 11-January-2023
Warranty Information
This repair is covered by an authorized Service Program. Reimbursement is
obtained through the normal claim handling process.
Claim Type (used only when uploading from the Dealer Bus. Sys.)
B
Main Labor Code
Description
Hours
9000-06-09-01
Miscellaneous, Inspection
0.3
1700-22-03-11
Campaign, Programing (0.1 X3)
0.3
If applicable
5110-03-02-02
Causal Part
SCC Authorization
Code
Expiration Date
Rotor and Hub Assembly, Disc Brake,
Replacement (front). (1.3 hrs. X2)
24121370
S3875
January 31, 2025
2.6
Service Campaign S3875
January 2024
(ABS) Software Update and Brake Inspection
Parts Information
The below parts are only required if the inspection of the brake assembly shows excessive heat damage.
Part Numbers
Part Names
Quantity
24121370
Rotor Kit
(If applicable) 2
23649811
Pad Kit
(If applicable) 1
23873072
Gasket, hub cap
(If applicable) 2
85103823
Seal
(If applicable) 2
Varies
Approved Gear Oil
As needed
There are two types of brake caliper mounting hardware bolts. (Flange and Hex) you must use the
correct ones per your application.
1079435
Flange screws
(If applicable) 12
992475
Hex screws
(If applicable) 12
Important Part Note
Replaced parts may be required for return to TMAC. Tag all parts with the following: VIN, mileage,
hours, and repair date.
Required Tools & Equipment
•
None
Calibration Information
•
See programing procedure below.
Inspection Procedure
1.
2.
3.
4.
Secure truck for service.
Place the gear lever in neutral.
Install wheel chocks.
Perform a visual inspection of the driver and passenger side, steer axle’s brake rotors.
Check for excessive heat damage resulting in cracked or broken rotors, see examples
below.
Note!
The wheels do not have to be removed to perform this visual inspection.
Service Campaign S3875
January 2024
(ABS) Software Update and Brake Inspection
Note!
Heat checking marks are normal and do not require replacement.
(Example of failed rotors)
A. If a damaged rotor is found during the inspection, replaced the brake assembles in
accordance with step 5 and proceed to the Programing Procedure.
B. If no damage is found during the inspection, proceed to the Programing Procedure
below.
Repair Procedure
5. Replace steer axle rotors, pads, caliper mounting bolts, and seals with new ones,
following the manufacture’s repair instructions.
Service Manual
Programing Procedure
6. Connect to the vehicle using PTT.
7. Run operation 5931-07-03-20 under the Calibrate tab to update the control unit.
Tech Note!
If you are experiencing issues running operation 5931-07-03-20 reference CBR- 2042
on how to set up Vendor Configuration Programing (VCP).
8. Remove wheel chocks.
9. Release vehicle back to service.