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Vehicle recall 21V408000 · June 1, 2021

2020 Custom Truck & Body Works Ford F-550

These displays may experience low voltage spikes, and cause the LCD display to lock up or become nonfunctional, due to varying electrical installations.

Source: NHTSA data as of September 22, 2026. Last refreshed Sep 23, 2026, 2:43 AM UTC.

Summary
Custom Truck and Body Works (Custom Truck) is recalling certain 2020 F550 vehicles equipped with Weldon V-Mux Vista IV Standard LCD displays. These displays may experience low voltage spikes, and cause the LCD display to lock up or become nonfunctional, due to varying electrical installations.
Consequence
If the LCD display becomes locked up or non-functional it can delay emergency efforts, which can increase the risk of injury.
Remedy
Dealers will replace the IV Standard LCD displays, free of charge. The manufacturer has not yet provided a schedule for recall notification. Owners may contact Custom Truck customer service at 1-888-712-2963.
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.nhtsa.gov.

Recall details

NHTSA campaign
21V408000
Reported to NHTSA
June 1, 2021
Filed by
Custom Truck And Body Works
Owner notification
June 1, 2021
Vehicles potentially affected
990
Initiated by
the manufacturer
Components
Electrical system › Instrument cluster/panel
Recall 21V408000 on nhtsa.gov, with the manufacturer’s documents

Vehicles covered

As listed by NHTSA. A recall usually covers only some vehicles of each model and year, often a production date range.

Has your Custom Truck & Body Works been repaired?

Recalls here come from NHTSA’s records for the model and year. Not every vehicle of a model is included in every recall, and this site can’t see whether a repair has been done. Only a VIN lookup can tell you that.

NHTSA’s VIN search doesn’t show recalls that were already repaired, recalls more than 15 years old, or some small manufacturers’ recalls. A Custom Truck & Body Works dealer can also check your VIN. Recall repairs are free.