Search violations
FMCSA SMS Appendix A + MCMIS catalog · 25 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.
25 results
Missing code? Submit it →Defective coupling devices for full trailer
Full Trailer - Loose mounting, missing or ineffective fasteners, insecure latch, or not in use when required.
Full Trailer - Cracks anywhere in the hitch system, including mounting surface and frame cross member.
Full Trailer - Any welded repairs to the ball, ball-socket, pin or eye.
Coupling - Turntable cracked flange.
Coupling - Full Trailer, drawbar eye cracked.
Coupling - Full Trailer, drawbar eye cracked.
Coupling - Full Trailer, drawbar slider cylinder leaking.
Coupling - Full Trailer, more than 1/4 inch movement between sub frame and drawbar.
Coupling - Full Trailer, drawbar missing fasteners.
Coupling - Full Trailer, drawbar slider ineffective latch.
Coupling - Full Trailer, drawbar slider ineffective stop.
Coupling - Full Trailer, drawbar slider movement more than 1/4 inch.
Coupling - Full Trailer, drawbar has welded repair.
Coupling - Full Trailer, drawbar eye worn more than 20%.
Coupling - Full Trailer, pintle hook has more than 20% wear in the horn section.
Coupling - Turntable mounting, cracked less than 20% of weld/parent metal.
Coupling - 20% or more of the original welds (or repaired original welds) or parent metal cracked.
Coupling - Turntable mounting, loose bolts.
Coupling - Turntable mounting, bottom flange has less than six effective bolts.
Coupling - Turntable mounting, top flange has less than six effective bolts.
Coupling - Full Trailer, pintle hook cracked.
Coupling - Full Trailer, pintle hook loose/missing fasteners.
Coupling - Full Trailer, pintle hook repair welded.
Coupling - Turntable upper flange touching lower flange.
| Code ↑ | Description ↕ | Pts ↕ | OOS | ||
|---|---|---|---|---|---|
| 393.70(c) | Defective coupling devices for full trailer Vehicle Maintenance | Vehicle Maintenance | 3 | Non-OOS | View → |
| 393.70C-CDHSLMII | Full Trailer - Loose mounting, missing or ineffective fasteners, insecure latch, or not in use when required. Vehicle Maintenance | Vehicle Maintenance | 3 | Non-OOS | View → |
| 393.70C-CDHSMSCM | Full Trailer - Cracks anywhere in the hitch system, including mounting surface and frame cross member. Vehicle Maintenance | Vehicle Maintenance | 3 | Non-OOS | View → |
| 393.70C-CDHSWR | Full Trailer - Any welded repairs to the ball, ball-socket, pin or eye. Vehicle Maintenance | Vehicle Maintenance | 3 | Non-OOS | View → |
| 393.70C-CDTC | Coupling - Turntable cracked flange. Vehicle Maintenance | Vehicle Maintenance | 3 | Non-OOS | View → |
| 393.70C-CDTDC | Coupling - Full Trailer, drawbar eye cracked. Vehicle Maintenance | Vehicle Maintenance | 3 | Non-OOS | View → |
| 393.70C-CDTDCE | Coupling - Full Trailer, drawbar eye cracked. Vehicle Maintenance | Vehicle Maintenance | 3 | Non-OOS | View → |
| 393.70C-CDTDCL | Coupling - Full Trailer, drawbar slider cylinder leaking. Vehicle Maintenance | Vehicle Maintenance | 3 | Non-OOS | View → |
| 393.70C-CDTDM | Coupling - Full Trailer, more than 1/4 inch movement between sub frame and drawbar. Vehicle Maintenance | Vehicle Maintenance | 3 | Non-OOS | View → |
| 393.70C-CDTDMF | Coupling - Full Trailer, drawbar missing fasteners. Vehicle Maintenance | Vehicle Maintenance | 3 | Non-OOS | View → |
| 393.70C-CDTDSIL | Coupling - Full Trailer, drawbar slider ineffective latch. Vehicle Maintenance | Vehicle Maintenance | 3 | Non-OOS | View → |
| 393.70C-CDTDSIS | Coupling - Full Trailer, drawbar slider ineffective stop. Vehicle Maintenance | Vehicle Maintenance | 3 | Non-OOS | View → |
| 393.70C-CDTDSM | Coupling - Full Trailer, drawbar slider movement more than 1/4 inch. Vehicle Maintenance | Vehicle Maintenance | 3 | Non-OOS | View → |
| 393.70C-CDTDW | Coupling - Full Trailer, drawbar has welded repair. Vehicle Maintenance | Vehicle Maintenance | 3 | Non-OOS | View → |
| 393.70C-CDTEW | Coupling - Full Trailer, drawbar eye worn more than 20%. Vehicle Maintenance | Vehicle Maintenance | 3 | Non-OOS | View → |
| 393.70C-CDTHSW | Coupling - Full Trailer, pintle hook has more than 20% wear in the horn section. Vehicle Maintenance | Vehicle Maintenance | 3 | Non-OOS | View → |
| 393.70C-CDTMC-LT20 | Coupling - Turntable mounting, cracked less than 20% of weld/parent metal. Vehicle Maintenance | Vehicle Maintenance | 3 | Non-OOS | View → |
| 393.70C-CDTMC-MT20 | Coupling - 20% or more of the original welds (or repaired original welds) or parent metal cracked. Vehicle Maintenance | Vehicle Maintenance | 3 | Non-OOS | View → |
| 393.70C-CDTMLB | Coupling - Turntable mounting, loose bolts. Vehicle Maintenance | Vehicle Maintenance | 3 | Non-OOS | View → |
| 393.70C-CDTMLFB | Coupling - Turntable mounting, bottom flange has less than six effective bolts. Vehicle Maintenance | Vehicle Maintenance | 3 | Non-OOS | View → |
| 393.70C-CDTMUFB | Coupling - Turntable mounting, top flange has less than six effective bolts. Vehicle Maintenance | Vehicle Maintenance | 3 | Non-OOS | View → |
| 393.70C-CDTPHC | Coupling - Full Trailer, pintle hook cracked. Vehicle Maintenance | Vehicle Maintenance | 3 | Non-OOS | View → |
| 393.70C-CDTPHF | Coupling - Full Trailer, pintle hook loose/missing fasteners. Vehicle Maintenance | Vehicle Maintenance | 3 | Non-OOS | View → |
| 393.70C-CDTPHW | Coupling - Full Trailer, pintle hook repair welded. Vehicle Maintenance | Vehicle Maintenance | 3 | Non-OOS | View → |
| 393.70C-CDTUFT | Coupling - Turntable upper flange touching lower flange. 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