Search violations
FMCSA SMS Appendix A + MCMIS catalog · 10 codes
Search any FMCSA violation code from the SMS Methodology (Appendix A) by code, keyword, or BASIC category. Every entry shows the CSA severity weight (points), whether the violation is out-of-service (OOS) eligible, and which of the seven BASICs it counts against — including codes that appear on roadside inspections but aren't used in SMS scoring.
10 results
Missing code? Submit it →Fuel - Dripping leak.
Front Axle and any other steering components cracked/repair welded
Fuel - CNG or LPG leak detected visibly, audibly or by smell - Verified by bubble test or more than 5,000 ppm.
Fuel - LNG leak that boils or vaporizes in the air.
Fuel - LNG has a cloud of vapor coming from fuel system.
Fuel - LNG leak detected visibly or audibly - Verified by bubble test or more than 5,000 ppm.
Fifth wheel- Movement exceeds 1/2 inch
Crack in the fifth wheel plate (parent metal) extending more than 20 percent of the distance across the metal in the direction of the crack.
A crack or gap caused by corrosion that is 1/8 inch (3.2 mm) or more in width in fifth wheel plate.
Repair weld cracked on fifth wheel plate
| Code ↑ | Description ↕ | Pts ↕ | OOS | ||
|---|---|---|---|---|---|
| 396.3A1-F | Fuel - Dripping leak. Vehicle Maintenance | Vehicle Maintenance | 3 | Non-OOS | View → |
| 396.3A1-FA | Front Axle and any other steering components cracked/repair welded Vehicle Maintenance | Vehicle Maintenance | 6 | Non-OOS | View → |
| 396.3A1-FCLLS | Fuel - CNG or LPG leak detected visibly, audibly or by smell - Verified by bubble test or more than 5,000 ppm. Vehicle Maintenance | Vehicle Maintenance | 3 | Non-OOS | View → |
| 396.3A1-FLBV | Fuel - LNG leak that boils or vaporizes in the air. Vehicle Maintenance | Vehicle Maintenance | 3 | Non-OOS | View → |
| 396.3A1-FLLC | Fuel - LNG has a cloud of vapor coming from fuel system. Vehicle Maintenance | Vehicle Maintenance | 3 | Non-OOS | View → |
| 396.3A1-FLLM | Fuel - LNG leak detected visibly or audibly - Verified by bubble test or more than 5,000 ppm. Vehicle Maintenance | Vehicle Maintenance | 3 | Non-OOS | View → |
| 396.3A1-FWMOV | Fifth wheel- Movement exceeds 1/2 inch Vehicle Maintenance | Vehicle Maintenance | 3 | Non-OOS | View → |
| 396.3A1-FWPC | Crack in the fifth wheel plate (parent metal) extending more than 20 percent of the distance across the metal in the direction of the crack. Vehicle Maintenance | Vehicle Maintenance | 3 | Non-OOS | View → |
| 396.3A1-FWPG | A crack or gap caused by corrosion that is 1/8 inch (3.2 mm) or more in width in fifth wheel plate. Vehicle Maintenance | Vehicle Maintenance | 3 | Non-OOS | View → |
| 396.3A1-FWPRW | Repair weld cracked on fifth wheel plate Vehicle Maintenance | Vehicle Maintenance | 3 | Non-OOS | View → |
Statistics
Most-cited violation codes
Ranked by roadside-inspection citation count across FMCSA public data.
- 393.9
Inoperable Required Lamp
- 392.2RG
State vehicle registration or License Plate violation
- 393.47(e)
Brake Out of Adjustment - Roto, Clamp (Short & Long), DD-3, or Bolt
- 396.17(c)
Operating a CMV without proof of a periodic inspection
- 396.17C-PI
Operating a CMV without documentation of a periodic inspection.
- 393.95(a)
No/discharged/unsecured fire extinguisher
- 393.9TS
Inoperative turn signal
- 392.2SLLSR
State/Local Laws - State registration/tag violation.
- 393.75(a)(3)
Tire-flat and/or audible air leak
- 393.78
Wipers - Inoperative / missing / damaged wipers.
- 393.95(f)
Emergency Equipment - Stopped vehicle warning devices missing or impr…
- 392.2
Violation of Local Laws - Explain:
- 392.2-SLLS2
State/Local Laws - Speeding 6-10 miles per hour over the speed limit.
- 396.3A1BOS
Brake - Defective brake(s) are equal to or greater than 20% of the se…
- 393.11
No or defective lighting devices or reflective material as required
- 396.3(a)(1)
Inspection, repair and maintenance of parts and accessories
- 393.75A3-TAOL
Tires - All others, leaking or inflation less than 50% of the maximum…
- 393.53(b)
CMV manufactured after 10/19/94 has an automatic airbrake adjustment …
- 393.75(c)
Tire-other tread depth less than 2/32 of inch measured in a major tre…
- 393.60(c)
Windshield - Damaged or Discolored