NHTSA vehicle safety data
2020 Custom Fire Freightliner M2 Recalls & Complaints
The 2020 Custom Fire Freightliner M2 has 1 NHTSA recall campaign and 1 owner complaint on file as of November 3, 2026. Recall repairs are usually free at an authorized Custom Fire dealer.
NHTSA recall and complaint data for the 2020 Custom Fire Freightliner M2. Recall data is refreshed daily from NHTSA.
2020 Custom Fire Freightliner M2 owner complaints
Owners have filed 1 complaint with NHTSA about the 2020 Custom Fire Freightliner M2, describing incidents dated April 22, 2024.
Most-cited components
- Unknown or Other 1 complaint
Newest complaints
ODI #11586745 · Filed
The DEF header failed on this truck and it causes the vehicle to be disabled. The DEF header is an emissions part. PART NUMBER 04-31354-004 HEADER-SSI,CONC,6 BOLT,CMNS
High Pressure Fuel Rail Assembly May Leak Fuel
NHTSA #21V620000 · Fuel System, Diesel — Fuel Injection System — Fuel Rail · NHTSA notice
Reported August 6, 2021 · Custom Fire Apparatus, Inc.
Potentially affected: 9 vehicles
Repair completion: 100% (latest rate the manufacturer reported to NHTSA; dataset updated November 3, 2026)
Custom Fire campaign 21E032 · Owners notified August 9, 2021
Defect description
Custom Fire Apparatus, Inc. (Custom Fire) is recalling certain 2017-2021 Peterbilt 348, Freightliner M2, Kenworth T370, and T880 emergency vehicles equipped with Cummins L9 diesel engines. The sealing washer may not seat correctly in the pilot boreholes, allowing the high-pressure fuel rail assembly to leak.
Safety consequence
A fuel leak in the presence of an ignition source increases the risk of a fire.
Manufacturer remedy
Cummins will inspect the rail threads and fuel lines, and replace the rail as necessary, free of charge. Owner notification letters were mailed on August 9, 2021. Owners may contact Custom Fire's customer service at 1-715-294-2555.
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.
Other Custom Fire Freightliner M2 model years
Check your 2020 Custom Fire Freightliner M2 VIN
Not every recall applies to every VIN in a given year. Enter the 17-character VIN from your Custom Fire Freightliner M2 at nhtsa.gov/recalls to see whether your specific vehicle has an unrepaired recall.
Check a Custom Fire VIN