2026 Volvo VN TSBs
29 Technical Service Bulletins across 11 categories
Categories
Other
7 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 - 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
Engine
7 bulletinsSC - Front Engine Accessory Drive Update.
SC - S4643 January 2026 Front Engine Accessory Drive Update.
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 - Vehicles were programmed with the incorrect Engine Electronic Control Unit (EECU) Software.
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)
Electrical
5 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"
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 - 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.
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.
HVAC & Climate
1 bulletinThis 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.
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.
Suspension
1 bulletinCBR - Z Spring Bracket Wear.
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Volvo Chassis
Transmission
1 bulletinCBR - Volvo Chassis - I-Shift Transmission - Moisture / Contamination Found In The Transmission Electronic Control Unit...
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(TECU ) Air Ports And Control Housing.
Fuel System
1 bulletinSC - Electric Exhaust Heater Control Unit Update
Brakes
1 bulletinCBR - 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.
Infotainment
1 bulletinVolvo 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.