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Recalls on file11,020All makes, through Oct 28, 2026

Filed in 2026762so far

Do-not-drive or park-outside253on file

Software remedies1,350on file

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11,020 recalls match (all years, all makes)

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Matching recalls by monthNov 2024 to Oct 2026

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Peak month102October 2025

18E-085

Aug 20, 2018

Allison Transmission

Pressure switches on these Drive Units may fail, possibly resulting in a loss of drivePowertrain · Part replacement

592 vehicles

18V-547

Aug 17, 2018

Winnebago Industries

Cabinet mirror over the driver's seat may not be properly secured, allowing the mirror to fall while movingStructure · Repair or modification

1,066 vehicles

18V-546

Aug 17, 2018

Winnebago Industries

These vehicles have an auxiliary solar charging port circuit that is not fusedElectrical system · Repair or modification

6,700 vehicles

18V-545

Aug 17, 2018

Forest River

Break-away safety switch was not wired to a constant power source, and, as a result, the switch may be inadvertently disconnected from the trailer…Electrical system · Not stated

69 vehicles

18V-543

Aug 16, 2018

Mack Trucks

Fifth wheel may have an outboard slider bracket that is too narrow, possibly allowing the trailer to separate from the tractorTrailer hitches · Part replacement

9 vehicles

18V-542

Aug 16, 2018

Volvo Trucks

Fifth wheel may have an outboard slider bracket that is too narrow, possibly allowing the trailer to separate from the tractorTrailer hitches · Part replacement

69 vehicles

18V-541

Aug 16, 2018

Supreme

These trucks have intermediate clearance lights on the angled roof rail bracket, that may have limited visibility, reducing the vehicle's…Lighting · Part replacement

440 vehicles

18V-540

Aug 16, 2018

Kzrv

KZRV, L.PEquipment · Part replacement

1,160 vehicles

18V-539

Aug 16, 2018

Mercedes-Benz

Rear brake caliper pistons on these vehicles may not have been correctly coated, causing gas to become temporarily released into the rear brake…Brakes · Not stated

9,044 vehicles

18V-538

Aug 15, 2018

Spartan Motors USA

Park brake systems on these chassis may not be able to prevent the vehicles from moving unintentionally if parked on a gradeBrakes · Repair or modification

274 vehicles

Selected: 18E-085

Pressure switches on these Drive Units may fail, possibly resulting in a loss of drive

Manufacturer: Allison Transmission
Filed: Aug 20, 2018
Component: Powertrain
Vehicles affected: 592
Remedy: Part replacement
Recall type: Equipment

Defect summary

Allison Transmission, Inc. (Allison) is recalling certain H 50 EP, H 40 EP, H 50 Cert, and H 40 Cert Drive Units. The pressure switches on these Drive Units may fail, possibly resulting in a loss of drive.

Consequence

A loss of drive can disable the vehicle unexpectedly, increasing the risk of a crash.

Remedy

Allison will notify the vehicle manufacturers that purchased the affected transmissions, and dealers will replace the C1 and C2 pressure switches, free of charge. The recall began September 14, 2018. Owners may contact Allison customer service at 1-800-252-5283.

Affected models

Allison H 40 Ep Transmission Year not statedAllison H 50 Ep Transmission Year not stated

View NHTSA filingOpen the recall page