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2026 Volvo VN TSBs

29 Technical Service Bulletins across 11 categories

Other

7 bulletins
11037667

The 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).

11034124

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.

11028020

CBR - Volvo Chassis Grille Spacers Loosening Over Time.

11025998

CBR - Frame or Cab Lean

11023479

EATS mixer section may have a 2-inch section that was not welded correctly.

11021307

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.

11018836

Volvo Chassis - Frame Or Cab Lean

Engine

7 bulletins
11028028

SC - Front Engine Accessory Drive Update.

11028027

SC - S4643 January 2026 Front Engine Accessory Drive Update.

11026966

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

11026015

CBR - Engine Cooling Fan Overdrive.

11025997

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

11024763

SC - Vehicles were programmed with the incorrect Engine Electronic Control Unit (EECU) Software.

11018822

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 bulletins
11037669

Overheating 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.

11030470

CBR - No Start Condition After Over the Air Programing - VECU5 No Start "Safe State"

11028007

CBR - Volvo DEF Level (UQLS) Sensor Troubleshooting Guide - US17+OBD16 Emissions and US22+OBD23 (DOES NOT APPLY TO...

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VN(4))

11024739

CBR - Exhaust Temperature Sensor Rationality Faults and MIL Illumination.

11022279

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 bulletins
11029345

CBR - 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.

11018825

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

11018823

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 bulletin
11037659

This 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 bulletin
11033149

If 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 bulletin
11030472

CBR - Z Spring Bracket Wear.

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Volvo Chassis

Transmission

1 bulletin
11028025

CBR - 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 bulletin
11026992

SC - Electric Exhaust Heater Control Unit Update

Brakes

1 bulletin
11021309

CBR - 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 bulletin
11018834

Volvo 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.