TSB V-257-001 082026
Service Bulletin/Repair Instructions
TSB - Engine, crankcase ventilation, oil leakage.
Vehicle report
2024 VOLVO VNL (4)
Service bulletins
69 bulletinsTechnical service bulletins are instructions a manufacturer sent its dealers about a known fault. They are not recalls and the work is usually not free, but they are the clearest signal of a problem the manufacturer already knows about.
TSB V-861-001 082026
Service Bulletin/Repair Instructions
TSB - Under Hood Contamination Prevention.
CBR 2599-1 082026
Service Bulletin/Repair Instructions
CBR - Aggressive Trailer Braking Troubleshooting Guide.
CBR 2598-2 082026
Service Bulletin/Repair Instructions
CBR - Injector Widget to Assist in Proper Diagnostic / Injector Repair caused by offset learning max and misfire.
CBR 2596-1 082026
Service Bulletin/Repair Instructions
CBR - ECM Failure - No Crank/Engine Start Condition.
TSB V-590-001 072026
Service Bulletin/Repair Instructions
TSB - Wheel Speed Sensor Fitting and Cable Clamping.
CBR 2585-3 072026
Service Bulletin/Repair Instructions
CBR - The purpose of this CBR is to provide support for fault codes C106718 and/or C106818.
CBR 2545-3 072026
Service Bulletin/Repair Instructions
CBR - The purpose of this CBR is to provide guidance on fault code U114688.
TSB V-371-005 072026
Service Bulletin/Repair Instructions
TSB - Jumper Harness Repair.
CBR-2592-1 202606
Service Bulletin/Repair Instructions
The purpose of this CBR is to provide steps on how to correct a customer complaint of DTC P107B86 accompanied With intermittent loss of throttle.
CBR-2590-2 202606
Service Bulletin/Repair Instructions
The purpose of this CBR is to provide steps on how to correct a customer complaint of instrument cluster going dark (blackout) situation.
CBR-2591-1 202606
Service Bulletin/Repair Instructions
The purpose of this CBR it to provide release notes for the recent Engine ECU software.
CBR-2494-19 202606
Service Bulletin/Repair Instructions
The VN(4)'s electrical architecture relies on multiple ECUs, each handling specific functions. To ensure seamless operation and peak system performance, it is essential that all ECUs run the same software version (Software Baseline). This is accomplished by installing a complete software baseline, which is delivered via service pack.
CBR-2568-5 202606
Service Bulletin/Repair Instructions
Contact Workshop; Communication Lost With Ultracapacitor Message With Associated CCIOM DTC U100687 And A Startability Issue.
CBR-2587-2 202606
Service Bulletin/Repair Instructions
The purpose of this cbr is to provide steps on how to protect the alternator power cable connection from corrosion.
CBR-2465-7 202606
Service Bulletin/Repair Instructions
The purpose of this CBR is to help diagnosis issues with the Proactive Engine Restart system and Hood Open popup message.
CBR-2588-2 202606
Service Bulletin/Repair Instructions
The purpose of this CBR is to provide aid in VMCU fault B1524-49 along with a Rain sensor which will not calibrate.
CBR -2465 202605
Service Bulletin/Repair Instructions
The purpose of this CBR is to help diagnosis issues with the Proactive Engine Restart system and Hood Open popup message.
RD26-2 202605
Over The Air
If you have received this document, it is because one or more of the following Faults has been active for at least 5 minutes and can potentially prevent the Supplemental Restraint System/Airbag Inflation System (SRS) from functioning properly in the event of a collision. Tech Tool will need to be used for more detailed diagnostics.
CBR- 2587 202605
Service Bulletin/Repair Instructions
The purpose of this cbr is to provide steps on how to protect the alternator power cable connection from corrosion.
CBR-2494 202605
Service Bulletin/Repair Instructions
The purpose of this CBR is address when you should update to 6.0 service pack.
CBR-2583 202605
Service Bulletin/Repair Instructions
The purpose of this CBR is to assist in diagnosing Tire Pressure Monitoring System (TPMS) DTCs U101A /U101B as well as instructions to replace the TPMS Range Extends and Wireless Sensor Gateway if it is determined it is required.
CBR -2585 202605
Service Bulletin/Repair Instructions
The purpose of this CBR is to provide support for fault codes C106718 and/or C106818.
CBR-2584-202605
Service Bulletin/Repair Instructions
When calibrating ECS, the PTT instructions may be lacking needed information.
CBR-2435 202605
Service Bulletin/Repair Instructions
This CBR solution provides guidelines for ensuring the correct position of battery sensor modules and battery sensor harnesses on the Volvo VN(4) chassis, as well as the Battery Sensor Diagnostic, Calibration, and Configuration Procedure.
CBR 2568-3 202604
Service Bulletin/Repair Instructions
CBR - Communication Lost With Ultracapacitor Message With Associated CCIOM DTC U100687 and a Startability Issue.
RD26-1 202604
Over The Air
RD - Over the Air Transmission Oil Level Sensor.
CBR 2574 202604
Service Bulletin/Repair Instructions
CBR - Manual TPMS wheel sensor calibration.
CBR 2562-15 202604
Service Bulletin/Repair Instructions
CBR - Electric Pneumatic Module (EPM) Fault Code C10C256
CBR 2569-3 202604
Service Bulletin/Repair Instructions
CBR - Brake Pad Wear Indicator DTC C107E68.
S4770 032026
Service Campaign
SC - Install Load Lock Clamp (Volvo).
CBR 2570-1 032026
Service Bulletin/Repair Instructions
CBR - EBS - Electro-Pneumatic Module - Signal Compare Failure DTC C109562 - VN (4).
CBR 2172-7 032026
Service Bulletin/Repair Instructions
CBR - No Start Condition After Over the Air Programing - VECU5 No Start "Safe State"
CBR 2564-1 032026
Service Bulletin/Repair Instructions
CBR - Check Radar Pop-up Message - VN (4).
TSB V-375-001 032026
Service Bulletin/Repair Instructions
TSB - Reversing Camera Harness, Repair.
CBR 2565-1 032026
Service Bulletin/Repair Instructions
CBR - Trailer, 12Volt Right/Left Direction Indicator Circuit Warning VN (4).
CBR 2246-5 032026
Service Bulletin/Repair Instructions
CBR - Z Spring Bracket Wear. Volvo Chassis
CBR 2514 022026
Service Bulletin/Repair Instructions
CBR - This procedure provides a temporary corrective action for the “Lost Communication to Alternator” message and Vehicle Master Control Unit (VMCU) DTC C103508 caused by a software issue.
CBR 2361 022026
Service Bulletin/Repair Instructions
CBR - Observing debris within the cooling system is possible, with this debris potentially being dark and resembling sand.
S4343 022026
Service Campaign
SC - Volvo Trucks has determined that a select group of trucks were built with an AHI Module fuel pressure sensor which does not meet our specifications.
CBR 2443-4 202601
Service Bulletin/Repair Instructions
CBR - Trailer Tandem Adjustment Procedure - VN (4).
CBR 2494-11 202601
Service Bulletin/Repair Instructions
CBR - The purpose of this CBR is outline the interim software solution for VN4. Note that this document is subject to updates and currently covers Service Pack updates to B1_T2_5.1.
CBR 2408-16 202601
Service Bulletin/Repair Instructions
CBR - Air Production Modulator (APM) DTC C10129B - High/Excessive Flow - VN (4).
CBR 2545-1 202601
Service Bulletin/Repair Instructions
CBR - U114688 VMCU Communication Fault - VN (4).
CBR 2526-5 202512
Service Bulletin/Repair Instructions
CBR - Parking Heater Inoperative.
CBR 2535-1 202512
Service Bulletin/Repair Instructions
CBR - Regeneration Not Possible
CBR 2494-10 202512
Service Bulletin/Repair Instructions
CBR - The purpose of this CBR is outline the interim software solution for VN4.
CBR 2361-16 202512
Service Bulletin/Repair Instructions
CBR - 3 Liter Engines ONLY - Engine Coolant Pump Housing Leak; Coolant Found Around The Oil Cooler Duct Cover Or In Between The Coolant Pump Housing And Oil Cooler Housing
S4674 202512
Service Campaign
SC - Cab Leveling Bar Loose
CBR 2016-18 202511
Service Bulletin/Repair Instructions
CBR - Frame or Cab Lean
CBR 2529-1 202511
Service Bulletin/Repair Instructions
CBR - Volvo Chassis - Steering Wheel Switch Harness Routing And Clipping - VN (4).
CBR 2495-4 202511
Service Bulletin/Repair Instructions
CBR - Carb 24 Phase 1 - 48V Diagnostics Guide.
CBR 2492 092025
Service Bulletin/Repair Instructions
To address customer concerns regarding the unprotected ON/OFF button of the Xantrex power inverter located in the luggage compartment. The button should be safeguarded to prevent accidental activation, which can result in unintended battery drain.
CBR 2465 092025
Service Bulletin/Repair Instructions
This CBR pertains to two issues that may arise with the Proactive Engine Restart (Remote Engine Start System).
CBR 2172-5 082025
Service Bulletin/Repair Instructions
CBR - When an OTA (Over-The-Air) job starts to program the VECU blocks the starter relay out, if the job ends in a Critical failure, the vehicle will remain in Safe State.
CBR 2493-1 082025
Service Bulletin/Repair Instructions
CBR - Certain VN (4) vehicles may be equipped with an Engine Fan Override switch in the dashboard that is not operational. .
CBR 2488 072025
Service Bulletin/Repair Instructions
CBR - A significant GPS reporting issue is affecting fleet operations, with trucks maintaining back-office communication but failing to transmit GPS location data.
CBR 939 072025
Service Bulletin/Repair Instructions
CBR - US17AbstractVolvo Chassis equipped with Volvo Active Driver Assist may display DTC / Fault code SPN 516103 FMI 19 on Premium Tech Tool ( PTT ) or J-Pro, and code 167 in Bendix ACOM software.
CBR 2330 072025
Service Bulletin/Repair Instructions
CBR - Mechanical components with moving parts designed for high-temperature environments – such as the turbo wastegate used on the 13L TC engines – are susceptible to certain kinds of leakages due to their design requirements.
CBR 2408 072025
Service Bulletin/Repair Instructions
CBR - This document provides guidance for addressing the Air ProductionModulator (APM) DTC C10129B fault, "High/Excessive Flow" This fault was introduced by a previous APM software package and requires specific containment actions.
CBR 2425 072025
Service Bulletin/Repair Instructions
CBR - This CBR solution outlines the analysis of temperature changes in sensors T1, T2, and T3 and provides a procedure for inspecting and addressing potential sensor issues related to AHI fuel injection.
CBR 2465-2 072025
Service Bulletin/Repair Instructions
CBR - This CBR pertains to two issues that may arise with the Proactive Engine Restart (Remote Engine Start System).
CBR 2431-5 202506
Service Bulletin/Repair Instructions
CBR - This CBR solution addresses crank no start and engine dying issues in some VN (4)models caused by an incorrect fuel line configuration and/or fuel line fitting not seated correctly.
CBR 2477-1 202506
Service Bulletin/Repair Instructions
CBR - The purpose of this CBR is outline the interim software solution for VN4.
CBR 2468-2 202505
Service Bulletin/Repair Instructions
The purpose of this CBR is to help diagnosis an electrically faulty door latch.
CBR 2016-14 202505
Service Bulletin/Repair Instructions
Volvo Chassis - Frame Or Cab Lean
CBR 2463-3 202504
Service Bulletin/Repair Instructions
CBR - Determining source(s) of suspect abnormal turbocharger noise.
CBR 2465-1 202504
Service Bulletin/Repair Instructions
CBR - Key Fob activation issue.
CBR 2431-4 202504
Service Bulletin/Repair Instructions
CBR - This CBR solution addresses crank no start and engine dying issues in some VN (4)models caused by an incorrect fuel line configuration and/or fuel line fitting not seated correctly.
Reading this report
Complaint counts are reports filed with NHTSA, not failure rates. A common model collects more of them than a rare one that breaks more often.