NHTSA campaign 20V421000

Newmar Recall 20V-421: Damaged Circuit Board May Affect Lighting Function

NHTSA recall 20V421000 was reported by Newmar Corporation on July 21, 2020, with 3,202 vehicles potentially affected (per NHTSA). NHTSA's record lists the Newmar Dutch Star, Newmar Essex, Newmar London Aire and more for model years 2016–2020. Owners were notified on September 11, 2020, per NHTSA.

Updated daily from NHTSA's recall files

Is my vehicle included?

This page lists, by model year, the vehicles NHTSA's recall record names for campaign 20V421000 in the model years try.vin imports (1995 and later); NHTSA's own record can list more. A model year on the list doesn't mean every vehicle of that year is included, and some may already have been repaired.

To see whether a specific vehicle is included and still needs the repair, enter its VIN at nhtsa.gov/recalls.

Free VIN check: decode a VIN to see its year, make and model.

Key facts

NHTSA campaign
20V421000 (also written 20V-421 or 20V421)
Filed by
Newmar Corporation
Manufacturer campaign number (as filed)
20V-404
Report received
Potentially affected
3,202 vehicles (per NHTSA)
Component
Exterior Lighting — Brake Lights
Owners notified

Repair completion: 34.6% (latest rate the manufacturer reported to NHTSA; dataset updated October 21, 2026)

NHTSA cautions against comparing completion rates across recalls or manufacturers. How try.vin reads them.

Vehicles listed for this recall

NHTSA's recall record lists these vehicles for recall 20V421000. try.vin imports model years 1995 and later, so NHTSA's own list can be longer. Model years with a try.vin recall page link to it. Build dates are NHTSA's range for a model year (per NHTSA); a vehicle built in that range is not necessarily included.

Newmar

All Newmar recalls

NHTSA's recall notice

As NHTSA's recall record states it for campaign 20V421000.

Defect description

Newmar Corporaton (Newmar) is recalling certain 2016-2019 Ventana LE, 2017-2020 Ventana, London Aire, Essex and Dutch Star, 2017-2019 Mountain Aire, 2018-2020 New Aire, and 2020 Kountry Star motorhomes that received the 'inspection-only' remedy from recall 19V-426. The rear mounted Power Distribution Module (PDM) may have been damaged during manufacturing, possibly resulting in the rear marker lights, brake lights, or turn signals not functioning.

Safety consequence

Non-functioning exterior marker lights can increase the risk of a crash.

Manufacturer remedy

Newmar will notify owners, and Daimler Trucks North America dealers will replace the PDM, free of charge. This recall began September 11, 2020. Owners may contact Newmar's customer service at 1-800-731-8300. Newmar's number for this recall is 20V-404.

Notes

Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.safercar.gov.

Sources

Official NHTSA notice for recall 20V421000

Campaign details come from NHTSA's recall files, which try.vin imports once a day. The plain-language subject and the completion rate come from the U.S. Department of Transportation's Recalls Data dataset. How try.vin reads recall data.