May 21, 2021
Trailer Brakes May Fail to Activate in an Emergency
Some 2021 Columbus fifth wheel trailers have a breakaway switch that was wired incorrectly.
Gas leak at stove valve can cause fire risk
Rugged Mountain Custom RV K2 2019
The stove's gas saddle valve bolt may have been overtightened during assembly.
May 20, 2021
Dining chair legs can detach while occupied
Certain 2021 Columbus Fifth Wheel trailers have a dining chair, the Allure Swivel Dining chair, whose legs may detach from the chair body.
Fuel rail may leak, creating a fire risk
Newmar Dutch Star 2017–2022Newmar Mountain Aire 2017–2019Newmar Ventana 2019–2021+1 more model
The high pressure fuel rail assembly on certain diesel motorhomes may leak fuel.
Fuel Pump Can Fail and Stall the Engine
Infiniti QX80 2020–2021Nissan Armada 2020–2021
Certain 2020-2021 Nissan Armada and INFINITI QX80 vehicles with V8 engines may have a fuel pump module whose impeller can swell and bind.
May 19, 2021
Fuel rail leak can cause fire in commercial trucks and buses
IC Bus Recb 2019–2021International HV 2019–2021International MV 2019–2021+2 more models
A sealing washer on the high-pressure fuel rail may not seat correctly in its bore holes, which can allow diesel fuel to leak from the fuel rail assembly.
Fuel Leak Can Cause Fire in Diesel Fuel Rail
IC Bus Resb 2019–2021
A sealing washer in the high-pressure fuel rail assembly may not seat correctly in the pilot bore holes, which can allow diesel fuel to leak from the rail.
Water in slide-room wiring can cause a fire
Keystone Montana High Country 2021
Certain trailers have 120-volt wiring connectors for the slide-room circuit that were not mounted properly.
Loose Steering Tie Rod Clamps Can Cause Steering Loss
Fccc MT Chassis 2021–2022Fccc S2 2021–2022Fccc S2RV 2021–2022+10 more models
Certain 2021 and 2022 Freightliner and Custom Chassis vehicles may have loose tie rod clamps.
Loose Steering Tie Rod Clamps Can Cause Steering Loss
Thomas Built Buses Saf-T-Liner C2 2021–2022Thomas Built Buses Saf-T-Liner HDX 2021–2022
Certain school buses have tie rod clamps that may be loose.
May 18, 2021
Diesel Fuel Leak Can Cause Fire in Coaches
MCI D4500 2017–2020MCI J3500 2018–2021MCI J4500 2017–2020+5 more models
A sealing washer on the high pressure fuel rail may not seat correctly in the pilot bore holes, which can allow diesel fuel to leak from the fuel rail assembly.
Fuel Rail Leak Can Cause Fire in Some Buses
New Flyer XD60 2016–2021New Flyer XD35 2017–2021New Flyer XD40 2017–2021+3 more models
Some New Flyer buses may have a sealing washer that does not seat correctly in the fuel rail's pilot bore holes.
May 17, 2021
Display Can Lock Up, Delaying Emergency Lighting and HVAC Controls
Sutphen SP70 2012
On this 2012 emergency vehicle, the LCD display that controls emergency lighting and HVAC functions may experience low voltage spikes.
Loose Front Door Hinge Screws Can Affect Crash Safety
Mercedes-Benz Sprinter 1500 2020Mercedes-Benz Sprinter 2500 2020Mercedes-Benz Sprinter 3500 2020+1 more model
Some 2020 Mercedes-Benz Sprinter vans may have front door hinge screws that were not tightened properly during assembly.
Stability Control May Not Respond as Intended, Raising Crash Risk
Mercedes-Benz Sprinter (VS30) 2019
Certain 2019 Mercedes-Benz Sprinter vans equipped with the camper upfit option have Electronic Stability Control (ESC) software that was not updated for vehicles with a higher center of gravity.
Turn signals may be too dim, raising crash risk
Ducati Scrambler 2021
Certain 2021 Ducati Scrambler 800 Night Shift motorcycles may have front and rear turn signal lights that do not flash brightly enough.
Front suspension arm may break, causing loss of control
Porsche Panamera 2021Porsche Panamera 4 2021Porsche Panamera 4 E-Hybrid 2021+5 more models
Certain 2021 Porsche Taycan and Panamera vehicles have front lower trailing arms that were not forged correctly.
Fuel Lines May Rub Tank, Causing Leak and Fire Risk
The fuel lines on the front fuel tank may chafe against the tank over time.
May 14, 2021
Trailer Brakes May Fail to Engage, Raising Crash Risk
The breakaway switch on certain travel trailers may lose power because its power lead is wired incorrectly.
Fuel leak near engine can cause bus fire
Nova Bus LFS 2016–2020Nova Bus LFS Artic 2016–2020
Certain Nova Bus LFS and LFS Artic buses have a defect in the high pressure fuel rail assembly.
Fuel leak from rail can cause fire risk
Gillig LOW Floor 2017–2020
The sealing washer on the high pressure fuel rail assembly may not seat correctly in the pilot bore holes, which can allow fuel to leak from the rail.
Rear doors may not latch or open properly
Mercedes-Benz AMG G63 2019–2021Mercedes-Benz G 550 2019–2021
Certain 2019-2021 Mercedes-Benz G-Class vehicles have a defect in the rear door latch.
Rearview camera may show a blank screen, raising crash risk
Mercedes-Benz A 220 2019–2021Mercedes-Benz AMG A35 2020–2021Mercedes-Benz AMG CLA35 2020–2021+31 more models
The multimedia system software in these vehicles can cause the infotainment display to stay black or reboot after startup.
Gas May Leak Into Coach from Water Heater, Fire Risk
Vanleigh Vilano 2019–2022Vanleigh Beacon 2019–2021
Certain VanLeigh Beacon and Vilano motorhomes may have a water heater housing that was not properly sealed.
Faulty Generator Can Damage Batteries and Cause Injury
Roadtrek Play 2020–2021Roadtrek Zion 2020–2021Roadtrek Zion SRT 2020–2021
The undermount generator that charges the AGM house batteries may have a faulty internal regulator.
Headlight Bulb Can Dislodge and Melt Nearby Parts, Raising Fire Risk
Freightliner Cascadia 2017–2022
Certain Freightliner Cascadia trucks with halogen headlight assemblies may have a headlight bulb that dislodges during bulb replacement.
May 13, 2021
Engine Software Can Exceed Tire Speed Rating, Risking Tire Failure
Chevrolet 6500 2019Chevrolet Silverado 6500 2019
The engine control module on these trucks was calibrated incorrectly, which allows the vehicle to go faster than the tires' maximum speed rating of 75 mph.
Rear Axle Bracket May Break, Risking a Crash
Spartan K2 2021
A rear suspension mounting bracket on certain 2021 chassis may have been improperly welded on top of the rear drive axle.
Seat Belt May Sit Wrong on Wheelchair Users, Raising Injury Risk
Some 2021 X3 Commuter Coach buses have seat belts at flip-up seats that may have been incorrectly assembled.
Fuel rail leak can cause fire in diesel engine
Ferrara Igniter 2017–2020Ferrara Inferno 2017–2020
A sealing washer on the high-pressure fuel rail may not seat correctly in the pilot bore holes, which can allow fuel to leak from the rail assembly.