NHTSA (USA)Critical
At a glance
What can fail
The fasteners holding the idler gear bracket may not be tight enough, which could allow the idler gear to come loose and separate from the engine.
The 2024 Volvo VN has 8 recalls, the most serious involving wheels that can separate from the vehicle and strike other vehicles or people, loose steering gear fasteners that can cause loss of control, and throttle issues that can prevent the engine from returning to idle or cause unintended acceleration.
On the engine side, an idler gear can detach from the engine, causing a sudden stall. A separate throttle sensor issue can produce unintended acceleration when the vehicle's internal communications are disrupted and the truck enters limp mode. There is also an electrical concern: on trucks equipped with a Bendix EC80 control unit, electrical interference can cause the unit to misprocess commands or stop functioning, which can degrade or disable anti-lock brakes, traction control, electronic stability control, adaptive cruise, and collision mitigation systems simultaneously. The passenger-side bench seat may not be properly secured to the floor, allowing it to shift in a crash and raising the risk of injury to an occupant. Finally, certain trucks with specific Continental front tires carry an incorrect axle weight rating on the certification label, which can allow the vehicle to be operated overloaded without the driver knowing.
At a glance
What can fail
The fasteners holding the idler gear bracket may not be tight enough, which could allow the idler gear to come loose and separate from the engine.
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What the fix does
Dealers will inspect the turbo compound units and replace them if needed, at no cost to you.
Summarized — see the official notice for exact wording, dates, and contacts.
At a glance
What can fail
Electrical noise and weak signal strength in the power line carrier may cause the Bendix EC80 electronic control unit to misinterpret commands or fail completely.
What the fix does
Dealers will reprogram the electronic control unit software at no cost to restore proper operation.
Summarized — see the official notice for exact wording, dates, and contacts.
At a glance
What can fail
When the vehicle's communication system is interrupted and the truck enters limp mode, the accelerator pedal signal can become incorrect, causing unintended acceleration.
What the fix does
Dealers will update the truck's electronic control unit software at no cost to you.
Summarized — see the official notice for exact wording, dates, and contacts.
At a glance
What can fail
The wheel lug nuts on the left side may not have been tightened enough at the factory. They could loosen or fall off, which could cause a wheel to separate from the truck.
What the fix does
A dealer will inspect the left-side lug nuts and tighten them as needed. Damaged lug nuts, studs, or wheels will be replaced.
Summarized — see the official notice for exact wording, dates, and contacts.
At a glance
What can fail
The weight limit information printed on the vehicle certification label is incorrect, which could allow the truck to be loaded beyond its safe weight capacity.
What the fix does
The dealer will remove and replace the certification label with the correct weight information at no cost to you.
Summarized — see the official notice for exact wording, dates, and contacts.
At a glance
What can fail
The accelerator pedal position sensor may disconnect, causing the engine to stay above idle speed instead of returning to idle within 2 seconds when you release the pedal.
What the fix does
The throttle pedal will be replaced and the vehicle software will be updated at no cost.
Summarized — see the official notice for exact wording, dates, and contacts.
At a glance
What can fail
The passenger side bench seat may not be securely attached to the floor due to inadequate fastening, which could cause the seat to move or separate during operation.
What the fix does
Dealers will replace the weld nut with two nuts and a washer to secure the seat properly.
Summarized — see the official notice for exact wording, dates, and contacts.
At a glance
What can fail
Fasteners connecting the steering gear may not be properly tightened, potentially affecting steering function.
What the fix does
Dealers will tighten all steering gear fasteners at no cost to you.
Summarized — see the official notice for exact wording, dates, and contacts.
