NHTSA campaign 20V526000 · Manufacturer campaign SB 486

MCI Recall 20V-526: Coolant Hose May Fail

Recall influenced by NHTSA's Office of Defects Investigation

NHTSA recall 20V526000 (Manufacturer campaign SB 486) was reported by Motor Coach Industries on August 31, 2020, with 1,561 vehicles potentially affected (per NHTSA). NHTSA's record lists the MCI J4500 for model years 2017–2020. Owners were notified on October 30, 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 20V526000 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: 20V526000 (also written 20V-526 or 20V526)
Filed by: Motor Coach Industries
Manufacturer campaign number: SB 486
Report received: August 31, 2020
Potentially affected: 1,561 vehicles (per NHTSA)
Component: Engine and Engine Cooling — Cooling System — Hoses/Lines/Piping/Fittings
Owners notified: October 30, 2020

Repair completion: 74.74% (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 20V526000. 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.

MCI

MCI J4500
- 2017, 2018, 2019, 2020

All MCI recalls

NHTSA's recall notice

As NHTSA's recall record states it for campaign 20V526000.

Defect description

Motor Coach Industries (MCI) is recalling certain 2017-2020 J4500 motor coaches. The coolant hose may fail, resulting in a low coolant warning followed by an engine shut down sequence, as well as the potential for engine coolant spilling on the roadway.

Safety consequence

The spilled coolant may increase the risk of a crash. Additionally, transferring passengers from the disabled bus can increase their risk of injury.

Manufacturer remedy

MCI will notify owners, and dealers will replace the coolant hose, free of charge. The recall began October 30, 2020. Owners may contact MCI customer service at 1-800-241-2947. MCI's number for this recall is SB 486.

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 20V526000

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.