How many recalls does the 2020 Mci D4000 Istv have?

The 2020 Mci D4000 Istv has 1 NHTSA safety recall campaign on record.

How do I check if my 2020 Mci D4000 Istv has an open recall?

Enter your 17-character VIN at NHTSA's official recall lookup (nhtsa.gov/recalls) to see open, unrepaired recalls for your specific vehicle. Recall repairs are free.

2020 Mci D4000 Istv Recalls

Recalls on record Updated July 2026

The 2020 Mci D4000 Istv has 1 NHTSA recall campaign affecting an estimated 1,125 vehicles. Recall repairs are always free at any authorized dealer. Last updated July 5, 2026.

Recall campaigns

FUEL SYSTEM, DIESEL 21V971000 2021-12-15 1,125 affected

Defect

Motor Coach Industries (MCI) is recalling certain 2019-2022 D4000 ISTV, D4500, 2021 D4000, D4520, 2020-2021 D4505, D4005, 2020-2022 D45CRTLE, and 2019-2021 J4500 vehicles equipped with certain Cummins X12 diesel engines. The fuel tubes between the fuel rail and the injectors for cylinders four, five, and six may…

Consequence

A high pressure fuel leak in the presence of an ignition source can increase the risk of a fire.

Remedy

On engines with 75 miles or less, Cummins dealers will install vibration isolators to the fuel tubes. Engines with more than 75 miles will receive new fuel tubes with vibration isolators. Repairs will be performed free of charge. Owner notification letters were mailed March 11, 2022. Owners may contact MCI…

Sources & methodology

Recall, complaint, and investigation records from official NHTSA datasets (FLAT_RCL, FLAT_CMPL, FLAT_INV), synced weekly. Counts reflect NHTSA records for the 2020 Mci D4000 Istv as of July 5, 2026. Complaint narratives are consumer-submitted and unverified. This page contains ads and affiliate links. Full methodology.