2025 Volvo VN TSBs
76 Technical Service Bulletins across 14 categories
Categories
Engine
21 bulletinsCBR - 3 Liter Engines ONLY - Engine Coolant Pump Housing Leak; Coolant Found Around The Oil Cooler Duct Cover Or In...
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Between The Coolant Pump Housing And Oil Cooler Housing
CBR - 3 Liter Engines ONLY - Engine Coolant Pump Housing Leak; Coolant Found Around The Oil Cooler Duct Cover Or In...
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Between The Coolant Pump Housing And Oil Cooler Housing
CBR - Engine Cooling Fan Overdrive.
CBR - 13 Liter Engines ONLY - Engine Coolant Pump Housing Leak; Coolant Found Around The Oil Cooler Duct Cover Or In...
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Between The Coolant Pump Housing And Oil Cooler Housing
SC - Volvo Trucks has determined that certain VNL model vehicles built with the 13L engine could experience injector...
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failure.
SC - Volvo Trucks has identified that certain VNL model vehicles equipped with the 13L engine may encounter low oil...
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pressure faults.
SC - Volvo Trucks has determined that certain VN and VN 4 model trucks equipped with a D13 Turbo Compound (TC) engine...
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may experience TC Double Idler Gear failure due to incorrect bearing preload.
Inactive Code P25AE00 Being Generated After A Hard Pull And A Momentary Drop In Engine Oil Pressure (Low Oil Pressure)...
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(Possible Related Codes - SPN4811 , SPN 100 , PID 100)
CBR - Vertical Exhaust Aftertreatment System (EATS) Catalyst Cracking -Trucks Equipped With a Cummins 12LCompressed...
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Natural Gas (CNG) Engine
CBR - 11L, 13L, And 16L Engine Oil Analysis Specifications - US10 And Newer Emissions
SC - Volvo Trucks has determined that certain VN model trucks equipped with a D13 Turbo Compound (TC) engine may...
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experience TC unit failure due to an under-torqued idler gear bracket.
SC - Volvo Trucks has identified that certain VN model trucks equipped with a D13 Turbo Compound (TC) engine may be at...
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risk of TC unit failure due to an under-torqued idler gear bracket.
Volvo Trucks has identified that certain VNL model vehicles equipped with the 13L engine may encounter low oil pressure faults.
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The oil pump stator may wear against the oil pump housing, resulting in premature pump wear and reduced oil pressure. Please follow the instructions below to replace the oil pump, oil control valve, oil control feed lines and install an Accessory kit 85170727.
Vehicles may present with oil leak coming from the clutch/flywheel housing and observation of burned clutch smell or clutch slipping.
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These symptoms can be mistaken as a crankshaft rear main seal leak, when the actual cause is the crankshaft adaptor O-ring.
11L Engine Block Compatibility and Backward Conversion Parts Requirements
CBR- 13L Engine - Rear Main Oil Seal Leak - Model Year 2025
CBR - 13L Engine - Rear Main Oil Seal Leak - Model Year 2025
CBR - Automated Manual Transmission (AMT) Model D or F (mDrive and I-Shift, AMT-D, AMT-F) - Transmission Oil Leakage...
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From Transmission Input Shaft Seal Or Output Shaft Seal - US10 And Newer Emissions, Common Model Years 2010 And Newer
CBR: 11L, 13L, And 16L Engine Oil Analysis Specifications - US10 And Newer Emissions
CBR: Turbo Compound 2nd Generation - EGR And / Or DPF Diagnostic Trouble Codes(DTC), Diagnostic And Repair Information
CBR - 11 Liter Engines - Fuel In Oil.
Other
13 bulletinsThe ELD connected to the RP1226 connector in the truck remains powered on always.
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As a result in the batteries being depleted within a very short amount of time (a few hours after the truck is shut down).
The purpose of this CBR is to provide steps on how to correct a customer complaint of DTC P107B86 accompanied With...
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intermittent loss of throttle.
CBR - Observing debris within the cooling system is possible, with this debris potentially being dark and resembling...
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sand.
CBR - Volvo Chassis Grille Spacers Loosening Over Time.
CBR - Frame or Cab Lean
EATS mixer section may have a 2-inch section that was not welded correctly.
CBR - A significant GPS reporting issue is affecting fleet operations, with trucks maintaining back-office communication...
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but failing to transmit GPS location data.
Volvo Chassis - Frame Or Cab Lean
CBR - Volvo Chassis - All-New VNL, VN (4) - Air ProductionModulator (APM) DTC C10129B - High/Excessive Flow
CBR - Frame Or Cab Lean
CBR - One-Box SCR Weld Leaks
CBR: Telematics Gateway (TGW) Connect Ability Issues
CBR - Volvo Chassis - Equipped With Volvo Active Driver Assist ( VADA ), With Or Without Lane Departure warning ( LDWS )...
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.
Electrical
9 bulletinsOverheating has been observed at the alternator power cable and ground cable connection, resulting in melted insulation around the terminal area.
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The alternator power cable connection should maintain a stable electrical contact without overheating or insulation damage during normal vehicle operation. The alternator power cable shows signs of overheating and melted insulation at the connection point, which may affect electrical conductivity and charging system performance.
CBR - No Start Condition After Over the Air Programing - VECU5 No Start "Safe State"
SC - Volvo Trucks has determined that a select group of trucks were built with an AHI Module fuel pressure sensor which...
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does not meet our specifications.
CBR - Volvo DEF Level (UQLS) Sensor Troubleshooting Guide - US17+OBD16 Emissions and US22+OBD23 (DOES NOT APPLY TO...
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VN(4))
CBR - Parking Heater ECU Replacement.
CBR - Exhaust Temperature Sensor Rationality Faults and MIL Illumination.
CBR - When an OTA (Over-The-Air) job starts to program the VECU blocks the starter relay out, if the job ends in a...
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Critical failure, the vehicle will remain in Safe State.
SC - Volvo Trucks has determined that a select group of trucks were built with an AHI Module fuel pressure sensor which...
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does not meet our specifications.
CBR: Diagnostic Trouble Code (DTC) U010187- Lost Communication With TECU
Transmission
5 bulletinsCBR - Volvo Chassis - I-Shift Transmission - Moisture / Contamination Found In The Transmission Electronic Control Unit...
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(TECU ) Air Ports And Control Housing.
Fleet Campaign - Certain VN model trucks could experience excessive moisture build up within chassis mounted auxiliary...
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air tank due to limited driver access to I-Shift air tank drain.
CBR - Volvo Chassis - Timing Gear Plate Repair
CBR: On Volvo chassis with an I-Shift and Mack chassis with an mDRIVE transmission, there have been reports of complete...
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shift assemblies and TECUs being replaced due to technicians being unable to pinpoint the source of the air leak.
CBR - ZF/TRW Steering Gear Side Cover Leak
Infotainment
5 bulletinsVolvo Chassis equipped with Volvo Active Driver Assist may display DTC / Fault code SPN 516103 FMI 19 on Premium Tech...
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Tool (PTT) or J-Pro, and code 167 in Bendix ACOM software.
CBR - Drivers Information Display (DID) Inoperative/Goes Blank During Vehicle Operation
CBR - Drivers Information Display (DID) Inoperative/Goes Blank During Vehicle Operation
CBR - Drivers Information Display (DID) Inoperative After Cluster Replacement And Programming
CBR - Volvo Chassis - Secondary Display Blank, Will Not Turn On
Lighting
5 bulletinsCBR - Troubleshooting cab lean should only begin after completing a vehicle preparation procedure to ensure all...
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components are in place and settled.
CBR - Volvo Chassis - Debris In 13L Cooling Systems Filled With Extended Life (VCS2)
CBR - Volvo VN Chassis - Headlight High Beams Do Not Function From Stalk Switch
CBR - Volvo Chassis - Debris In 13L Cooling Systems Filled With Extended Life (VCS2).
CBR: Volvo Chassis - Debris In 13L Cooling Systems Filled With Extended Life(VCS2)
Body & Paint
3 bulletinsCBR - It has been found that the hood may not properly deflect water away from the "bird-beak" openings around the...
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windshield opening.
Remote Control Central Door Lock, Programming; Key Fob Cannot Be Programmed Or Does Not Work After Programming - Model...
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Year 2018 And Newer
It has been found that the hood may not properly deflect water away from the "bird-beak" openings around the windshield...
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opening.
Fuel System
3 bulletinsSC - Electric Exhaust Heater Control Unit Update
SC - Volvo Trucks North America has introduced enhanced Liner EATS (Exhaust Aftertreatment System) Mounting Straps for...
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specific VN(4) and VN model vehicles.
CBR: Overhead Wear Overview - Model Year2018 To Current (Common Rail Fuel System ONLY)
Pre-Delivery & Maintenance
3 bulletinsFLEET IMPROVEMENT CAMPAIGN - Pepsi Lift Axle Hardware Torque
Service Campaign: Injector Replacement
CBR - Accelerator Pedal: Inspection/Instructions
HVAC & Climate
2 bulletinsThis CBR solution addresses the issue of binding between the outer air filter housing and inner HVAC box due to...
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misalignment during installation.
CBR - Volvo Chassis - HVAC Fresh Air Door Binding
Suspension
2 bulletinsCBR - Z Spring Bracket Wear.
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Volvo Chassis
Frame lean can be caused by several seemingly isolated possibilities.
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The two most common are suspension and frame assembly issues.
Brakes
2 bulletinsCBR - US17AbstractVolvo Chassis equipped with Volvo Active Driver Assist may display DTC / Fault code SPN 516103 FMI 19...
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on Premium Tech Tool ( PTT ) or J-Pro, and code 167 in Bendix ACOM software.
Certain 2025 Volvo VNL model trucks may experience a binding or non-returning service brake pedal as a result of...
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corrosion in the brake pedal push rod bushing. To resolve this issue, follow the instructions in this document to replace the brake pedal push rod along with the bushing and the associated hardware.
Tires & Wheels
2 bulletinsCBR - Vehicles Equipped With A Lift Axle - Wheel Speed Fault Code SPN 793, SPN 794 Set When Axle Is Up
Service Campaign: Volvo Trucks has determined that certain VN and VHD model vehicles could have un-torqued wheel nuts on the left side of the vehicle.
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Left side wheel nuts on effected vehicles will need to be inspected and torqued to specification.
Air Bags & Safety
1 bulletinIf you have received this document, it is because one or more of the following Faults has been active for at least 5...
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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.