FMCSA Vehicle Maintenance Records: What to Keep, How Long to Keep It, and What Fails an Audit

Vehicle maintenance is one of the easiest audit areas to manage if you build the habit early -- and one of the hardest to fix retroactively. FMCSA requires both a written program and a paper trail proving you follow it. This guide covers exactly what records you need under 49 CFR Part 396, how long to keep them, and what an auditor flags.

The written maintenance program

FMCSA expects a written program that describes how you inspect, repair, and maintain every commercial motor vehicle under your authority. The program should cover scheduled preventive maintenance intervals, who performs the work, how repairs are documented, and how out-of-service items are handled. Generic templates with the carrier's name dropped in routinely fail because they describe processes the carrier does not actually run.

Required records by vehicle

1. Identification record

   Make, model, year, VIN, tire size, and an indication that the vehicle is owned, leased, or rented (49 CFR 396.3).

2. Schedule of inspections and maintenance

   Plan for periodic inspections and preventive maintenance.

3. Inspection, repair, and maintenance history

   Record of every inspection, repair, and service performed, with dates and descriptions.

4. Annual inspection certification

   Annual inspection meeting the requirements of 49 CFR 396.17 and Appendix G. Must be performed by a qualified inspector and documented with a certified report.

5. Driver vehicle inspection reports (DVIRs)

   When defects are reported, the DVIR plus the repair documentation.

Annual inspection details

Every commercial motor vehicle and trailer must pass an annual inspection meeting 49 CFR 396.17 and the inspection criteria in Appendix G. The inspector must be qualified under 49 CFR 396.19 -- not just any mechanic. Keep the original or a copy of the inspection report for 14 months from the report date. Decal-style certifications must remain visible on the vehicle.

DVIR requirements

Drivers must report any defects that affect safe operation in writing at the end of each driving day (49 CFR 396.11). If no defects are found, FMCSA no longer requires a written no-defect DVIR for property carriers, but a no-defect DVIR is still a defensible practice. When defects are reported, repair documentation must be attached and the DVIR retained for at least three months.

Retention periods

• Vehicle identification and schedule: while the vehicle is under your control and six months after
• Inspection, repair, and maintenance history: one year while under control and six months after disposal
• Annual inspection report: 14 months from report date
• DVIRs with defects: three months

Common audit findings

• No written maintenance program
• Annual inspection missing on at least one vehicle
• Annual inspection performed by an unqualified inspector
• DVIRs with defects but no repair documentation attached
• Operating a vehicle previously declared out-of-service without proof of repair (automatic failure)
• Maintenance file consisting only of receipts with no schedule and no inspection record

How to organize maintenance records

1. One folder per power unit and per trailer

   Identification at the top. Annual inspection, DVIRs, and repair invoices behind it.

2. A summary sheet at the front of each folder

   List the dates of the last and next annual inspection, oil service, and any open repair items.

3. Digital backup

   Photograph or scan paper invoices weekly so you do not lose them.

How ClearToHaul handles maintenance setup

The New Carrier Startup Package gives you the written maintenance program template, annual inspection tracking, and DVIR framework so your maintenance file is audit-ready from your first day of operation.