2025 Volvo Vnr (4) problems, complaints & recalls
Safety recalls (2)
Exterior Lighting:lighting Control Module 2025-09-18 · campaign 25V621000 · 2,307 vehicles
Defect: Volvo Trucks North America (Volvo Trucks) is recalling certain 2025-2026 New VN trucks. When towing a trailer, the trailer lights may fail to illuminate due to an improperly manufactured body control module.
Risk: Trailer tail lights and turn signals that do not illuminate as intended can reduce visibility to other drivers, increasing the risk of a crash.
Fix: Dealers will replace the trailer body input/output module, free of charge. Owner letters were mailed November 19, 2025. Owners may contact Volvo Trucks' customer service at 800-528-6586. Volvo Trucks' number for this recall is RVXX2507. Vehicle Identification Numbers (VINs) involved in this recall will be searchable on NHTSA.gov beginning September 25, 2025.
Service Brakes, Air:controls:proportioning Relay Valve 2025-02-18 · campaign 25V102000 · 8 vehicles
Defect: Volvo Trucks North America (Volvo Trucks) is recalling certain 2023-2025 New VN trucks. The brakes may take longer than expected to activate. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard (FMVSS) number 121, "Air Brake Systems."
Risk: Delayed brake activation can extend the distance required to stop, increasing the risk of a crash.
Fix: Dealers will install a new pneumatic circuit, free of charge. Owner notification letters were mailed March 11, 2025. Owners may contact Volvo Trucks' customer service at 800-528-6586. Volvo Trucks' number for this recall is RVXX2502.
Service bulletins (74)
Technical service bulletins are repair instructions manufacturers send dealers for known issues. Unlike recalls, the fix is not automatically free — but naming the bulletin at the service desk can save diagnosis time and support goodwill repairs.
Electrical System 2026-09-23 · CBR 2590 2026069 · 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.
Electrical System 2026-09-21 · TSB 373-001 202609 · Service Bulletin/Repair Instructions
overheating has been observed at the alternator power cable and ground cable connection, resulting in melted insulation around the terminal area. the alternator power cable connection should maintain a stable electrical contact without overheating or insulation damage during normal vehicle operat
Unknown Or Other 2026-09-17 · TSB 561-002A 202609 · Service Bulletin/Repair Instructions
volvo trucks has identified that certain vn(4) model vehicles may experience an air leak at the air compressor discharge hose due to damage caused by the hose contacting other components. contact between the hose and other components can cause abrasions and lead to hose failure. follow the instru
Electrical System 2026-09-17 · CBR 2483 202609 · Service Bulletin/Repair Instructions
this bulletin addresses an issue found in the dl6 (fms) can network where the measuredresistance is 40 ohms deviating from the expected 60 ohms. this mismatch can result in the electronic logging device (eld) either receiving incomplete can messages or none at all, leading to functional communicatio
Electrical System 2026-09-14 · TSB 371-005 202609 · Service Bulletin/Repair Instructions
the eld connected to the rp1226 connector in the truck remains powered on always. as a result in the batteries being depleted within a very short amount of time (a few hours after the truck is shut down).
Electrical System 2026-09-08 · CBR 2494 202609 · Service Bulletin/Repair Instructions
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_7.0.
Showing the 6 most recent of 74 bulletins. Search all of them free at nhtsa.gov.
What owners report
No detailed complaint narratives on file.
Excerpts of consumer complaints filed with NHTSA, lightly truncated. They are owner statements, not verified findings.