Search violations
FMCSA SMS Appendix A + MCMIS catalog · 14 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.
14 results
Missing code? Submit it →Brake connections with leaks or constrictions
Brakes - Hydraulic brake hose/line labeled for other than a hydraulic brake system
Air Brake - Audible air leak at a proper connection.
Air Brake - Audible air leak at other than a proper connection.
Air Brake - Crimped or restricted
Air Brake - Damaged by heat or broken
Hydraulic Seeping, bulge or swelling of Hydraulic Brake Hose
Air Brake - Damaged by heat, broken, or crimped in such a manner as to restrict air flow.
Brakes - Service brakes on trailer inoperative due to service gladhand not connected
Air Brake - Hose/tubing with a bulge/swelling when air pressure is applied
Brake Connections with Constrictions - Connection to Power Unit
Brake Connections with Constrictions Under Vehicle
Brake Connections with Leaks - Connection to Power Unit
Brake Connections with Leaks Under Vehicle
| Code ↑ | Description ↕ | Pts ↕ | OOS | ||
|---|---|---|---|---|---|
| 393.45(d) | Brake connections with leaks or constrictions Vehicle Maintenance | Vehicle Maintenance | 4 | Non-OOS | View → |
| 393.45D - HHIL | Brakes - Hydraulic brake hose/line labeled for other than a hydraulic brake system Vehicle Maintenance | Vehicle Maintenance | 4 | Non-OOS | View → |
| 393.45D-B | Air Brake - Audible air leak at a proper connection. Vehicle Maintenance | Vehicle Maintenance | 4 | Non-OOS | View → |
| 393.45D-BAAL | Air Brake - Audible air leak at other than a proper connection. Vehicle Maintenance | Vehicle Maintenance | 4 | Non-OOS | View → |
| 393.45D-BHCR | Air Brake - Crimped or restricted Vehicle Maintenance | Vehicle Maintenance | 4 | Non-OOS | View → |
| 393.45D-BHDB | Air Brake - Damaged by heat or broken Vehicle Maintenance | Vehicle Maintenance | 4 | Non-OOS | View → |
| 393.45D-BHS | Hydraulic Seeping, bulge or swelling of Hydraulic Brake Hose Vehicle Maintenance | Vehicle Maintenance | 4 | Non-OOS | View → |
| 393.45D-BHTC | Air Brake - Damaged by heat, broken, or crimped in such a manner as to restrict air flow. Vehicle Maintenance | Vehicle Maintenance | 4 | Non-OOS | View → |
| 393.45D-SGNCNB | Brakes - Service brakes on trailer inoperative due to service gladhand not connected Vehicle Maintenance | Vehicle Maintenance | 4 | Non-OOS | View → |
| 393.45DBHTBS | Air Brake - Hose/tubing with a bulge/swelling when air pressure is applied Not in SMS | Not in SMS | — | OOS | View → |
| 393.45DCPC | Brake Connections with Constrictions - Connection to Power Unit Vehicle Maintenance | Vehicle Maintenance | 4 | Non-OOS | View → |
| 393.45DCUV | Brake Connections with Constrictions Under Vehicle Vehicle Maintenance | Vehicle Maintenance | 4 | Non-OOS | View → |
| 393.45DLPC | Brake Connections with Leaks - Connection to Power Unit Vehicle Maintenance | Vehicle Maintenance | 4 | Non-OOS | View → |
| 393.45DLUV | Brake Connections with Leaks Under Vehicle Vehicle Maintenance | Vehicle Maintenance | 4 | 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