Search violations
FMCSA SMS Appendix A + MCMIS catalog · 67 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.
67 results
Missing code? Submit it →Inoperable Required Lamp
Buses - Missing or improper standee line or bar.
Bus - improper aisle seats
Buses - Equipped with aisle seats not designed and installed to automatically fold and leave a clear aisle when they are unoccupied.
Buses - Equipped with temporary seating not secured to the vehicle in a workman-like manner.
Buses - Seats not secured/loose or equipped with improper aisle seats.
Motor Coach or other Passenger carrying vehicle equipped with prohibited non-automatically folding seats in the aisle
Motor Coach or other Passenger Carrying vehicle operating with seating, occupied or not, not secured in a workmanlike manner.
Failure to equip bus with seat belts
Seats not secured in conformance with FMVSS
Failure to equip truck with seatbelts
Seatbelts - Drivers seatbelt or passenger seatbelt (if equipped) - missing or defective.
Seatbelts - Trucks and truck-tractors not equipped/defective.
Temporary Seating - Any vehicle that has a temporary seating for the driver.
Temporary Seating - Vehicle must conform to the requirements of Federal Motor Vehicle Safety Standard No. 2071 (�571.207)
No/discharged/unsecured fire extinguisher
Emergency Equipment (HM) - No 10 B:C (or more) fire extinguisher for quantities of hazardous materials that requires placarding.
Emergency Equipment - A power unit requiring fuses - missing a spare fuse for a required part or accessory (e.g., lamps required by 393.11, ABS lights or low air warning light).
Emergency Equipment - Stopped vehicle warning devices missing or improper.
Emergency Equipment (HM) - Improper warning devices for hazardous material loads.
Emergency Equipment - Fire Extinguishers - no fire extinguisher present or not properly rated.
Emergency Equipment - Fire Extinguishers - no label or marking.
Emergency Equipment - Fire Extinguishers - no visual indicator.
Emergency Equipment - Fire Extinguishers - not readily accessible.
Emergency Equipment - Fire Extinguishers - unsecured.
| Code ↑ | Description ↕ | Pts ↕ | OOS | ||
|---|---|---|---|---|---|
| 393.9 | Inoperable Required Lamp Vehicle Maintenance | Vehicle Maintenance | 2 | Non-OOS | View → |
| 393.90 | Buses - Missing or improper standee line or bar. Vehicle Maintenance | Vehicle Maintenance | 2 | Non-OOS | View → |
| 393.91 | Bus - improper aisle seats Vehicle Maintenance | Vehicle Maintenance | 2 | Non-OOS | View → |
| 393.91-BASIW | Buses - Equipped with aisle seats not designed and installed to automatically fold and leave a clear aisle when they are unoccupied. Vehicle Maintenance | Vehicle Maintenance | 2 | Non-OOS | View → |
| 393.91-BTSNS | Buses - Equipped with temporary seating not secured to the vehicle in a workman-like manner. Vehicle Maintenance | Vehicle Maintenance | 2 | Non-OOS | View → |
| 393.91-BU | Buses - Seats not secured/loose or equipped with improper aisle seats. Vehicle Maintenance | Vehicle Maintenance | 2 | Non-OOS | View → |
| 393.91-FS | Motor Coach or other Passenger carrying vehicle equipped with prohibited non-automatically folding seats in the aisle Vehicle Maintenance | Vehicle Maintenance | 2 | Non-OOS | View → |
| 393.91-SNS | Motor Coach or other Passenger Carrying vehicle operating with seating, occupied or not, not secured in a workmanlike manner. Vehicle Maintenance | Vehicle Maintenance | 2 | Non-OOS | View → |
| 393.93(a) | Failure to equip bus with seat belts Vehicle Maintenance | Vehicle Maintenance | 2 | Non-OOS | View → |
| 393.93(a)(3) | Seats not secured in conformance with FMVSS Vehicle Maintenance | Vehicle Maintenance | 2 | Non-OOS | View → |
| 393.93(b) | Failure to equip truck with seatbelts Vehicle Maintenance | Vehicle Maintenance | 2 | Non-OOS | View → |
| 393.93A-SBA | Seatbelts - Drivers seatbelt or passenger seatbelt (if equipped) - missing or defective. Vehicle Maintenance | Vehicle Maintenance | 2 | Non-OOS | View → |
| 393.93B-SBA | Seatbelts - Trucks and truck-tractors not equipped/defective. Vehicle Maintenance | Vehicle Maintenance | 2 | Non-OOS | View → |
| 393.93B-TS | Temporary Seating - Any vehicle that has a temporary seating for the driver. Vehicle Maintenance | Vehicle Maintenance | 2 | Non-OOS | View → |
| 393.93B3 | Temporary Seating - Vehicle must conform to the requirements of Federal Motor Vehicle Safety Standard No. 2071 (�571.207) Vehicle Maintenance | Vehicle Maintenance | 2 | Non-OOS | View → |
| 393.95(a) | No/discharged/unsecured fire extinguisher Vehicle Maintenance | Vehicle Maintenance | 2 | Non-OOS | View → |
| 393.95(a)(1)(i) | Emergency Equipment (HM) - No 10 B:C (or more) fire extinguisher for quantities of hazardous materials that requires placarding. Vehicle Maintenance | Vehicle Maintenance | 2 | Non-OOS | View → |
| 393.95(b) | Emergency Equipment - A power unit requiring fuses - missing a spare fuse for a required part or accessory (e.g., lamps required by 393.11, ABS lights or low air warning light). Vehicle Maintenance | Vehicle Maintenance | 2 | Non-OOS | View → |
| 393.95(f) | Emergency Equipment - Stopped vehicle warning devices missing or improper. Vehicle Maintenance | Vehicle Maintenance | 2 | Non-OOS | View → |
| 393.95(g) | Emergency Equipment (HM) - Improper warning devices for hazardous material loads. Vehicle Maintenance | Vehicle Maintenance | 2 | Non-OOS | View → |
| 393.95A1 | Emergency Equipment - Fire Extinguishers - no fire extinguisher present or not properly rated. Vehicle Maintenance | Vehicle Maintenance | 2 | Non-OOS | View → |
| 393.95A2 | Emergency Equipment - Fire Extinguishers - no label or marking. Vehicle Maintenance | Vehicle Maintenance | 2 | Non-OOS | View → |
| 393.95A3 | Emergency Equipment - Fire Extinguishers - no visual indicator. Vehicle Maintenance | Vehicle Maintenance | 2 | Non-OOS | View → |
| 393.95A4-EENA | Emergency Equipment - Fire Extinguishers - not readily accessible. Vehicle Maintenance | Vehicle Maintenance | 2 | Non-OOS | View → |
| 393.95A4-EEUS | Emergency Equipment - Fire Extinguishers - unsecured. Vehicle Maintenance | Vehicle Maintenance | 2 | 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