NHTSA ID Number: 10246113
Manufacturer Communication Number: S3672 202311
TSB/Document Date: 2023-12-05
Summary
Service Campaign: 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.
Service Campaign S3672
November 2023
(ABS) Software Update and Brake Inspection
Service Category Service
Section Function Group 511
Technician Skill Level A
Market North America
Applicability
VOLVO
Years
2017-2024
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
EM-USA14, EM-USA17,
Volvo CU-15, D13
05-December-2016
30-March-2023
EM-USA21
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
0.3
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
S3672
November 30, 2024
2.6
Service Campaign S3672
November 2023
(ABS) Software Update and Brake Inspection
Parts Information
Please ensure to inspect parts related to the brake assembly. Refer to Impact for part numbers if parts
need replacing.
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.
Note!
Heat checking marks are normal and do not require replacement.
Service Campaign S3672
November 2023
(ABS) Software Update and Brake Inspection
(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.
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TSB/Document ID: S3672 202311
Replacement Service Bulletin Number:
MFR Communication Date: 2023-11-17
MFR Internal Campaign ID/Software Version:
Communication Type: Service Bulletin/Repair Instructions
NHTSA Components: FORWARD COLLISION AVOIDANCE: ADAPTIVE CRUISE CONTROL
MFR Component System:
MFR Component Subsystem:
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