Search violations
FMCSA SMS Appendix A + MCMIS catalog · 17 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.
17 results
Missing code? Submit it →No/defective lamp/reflector-towaway operation
No/defective lamps-towing unit-towaway operation
No/defective towaway lamps on rear unit
Lighting - Driveaway, clearance lamp(s) missing on front of towing vehicle.
Lighting - Tail lamp - Both Lamps on rearmost vehicle driveaway missing when required to be on.
Lighting - Stop lamps - Driveaway - does not have at least one operative stop lamp
Lighting - Driveaway, side marker lamp(s) missing on front of towing vehicle.
Lighting - Driveaway, side marker lamp(s) missing on rearmost towed vehicle.
Lighting - Driveaway, clearance lamp(s) missing on rear of rearmost towed vehicle.
Lighting - Driveaway, identification lamp(s) missing on rear of the rearmost towed vehicle.
Lighting - Driveaway, reflex reflector(s) missing on rear of rearmost towed vehicle.
Lighting - Tail lamp - Driveaway - missing.
Lighting - Turn signal - Driveaway - any missing.
Lighting - Tail lamp - Both Lamps on rearmost vehicle driveaway missing when required to be on.
Lighting - Stop Lamps - Driveaway - both missing when required.
Lighting - Driveaway, reflex reflector(s) missing on towed mobile structure trailer.
Lighting - Driveaway, side marker lamp(s) missing on intermediate towed vehicle.
| Code ↑ | Description ↕ | Pts ↕ | OOS | ||
|---|---|---|---|---|---|
| 393.17 | No/defective lamp/reflector-towaway operation Vehicle Maintenance | Vehicle Maintenance | 6 | Non-OOS | View → |
| 393.17(a) | No/defective lamps-towing unit-towaway operation Vehicle Maintenance | Vehicle Maintenance | 6 | Non-OOS | View → |
| 393.17(b) | No/defective towaway lamps on rear unit Vehicle Maintenance | Vehicle Maintenance | 6 | Non-OOS | View → |
| 393.17A1-LDCL | Lighting - Driveaway, clearance lamp(s) missing on front of towing vehicle. Vehicle Maintenance | Vehicle Maintenance | 2 | Non-OOS | View → |
| 393.17A1-LRLDWR | Lighting - Tail lamp - Both Lamps on rearmost vehicle driveaway missing when required to be on. Vehicle Maintenance | Vehicle Maintenance | 6 | Non-OOS | View → |
| 393.17A1-LSLDMWR | Lighting - Stop lamps - Driveaway - does not have at least one operative stop lamp Vehicle Maintenance | Vehicle Maintenance | 6 | Non-OOS | View → |
| 393.17A2-LDSML | Lighting - Driveaway, side marker lamp(s) missing on front of towing vehicle. Vehicle Maintenance | Vehicle Maintenance | 2 | Non-OOS | View → |
| 393.17B1-LDSML | Lighting - Driveaway, side marker lamp(s) missing on rearmost towed vehicle. Vehicle Maintenance | Vehicle Maintenance | 2 | Non-OOS | View → |
| 393.17B2-LDCL | Lighting - Driveaway, clearance lamp(s) missing on rear of rearmost towed vehicle. Vehicle Maintenance | Vehicle Maintenance | 2 | Non-OOS | View → |
| 393.17B2-LDIL | Lighting - Driveaway, identification lamp(s) missing on rear of the rearmost towed vehicle. Vehicle Maintenance | Vehicle Maintenance | 6 | Non-OOS | View → |
| 393.17B2-LDRR | Lighting - Driveaway, reflex reflector(s) missing on rear of rearmost towed vehicle. Vehicle Maintenance | Vehicle Maintenance | 3 | Non-OOS | View → |
| 393.17B2-LRLDM | Lighting - Tail lamp - Driveaway - missing. Vehicle Maintenance | Vehicle Maintenance | 6 | Non-OOS | View → |
| 393.17B2-LTSDM | Lighting - Turn signal - Driveaway - any missing. Vehicle Maintenance | Vehicle Maintenance | 6 | Non-OOS | View → |
| 393.17B2LRLDWR | Lighting - Tail lamp - Both Lamps on rearmost vehicle driveaway missing when required to be on. Not in SMS | Not in SMS | — | OOS | View → |
| 393.17B2LSLDMWR | Lighting - Stop Lamps - Driveaway - both missing when required. Vehicle Maintenance | Vehicle Maintenance | 6 | Non-OOS | View → |
| 393.17C1III-LDRRMST | Lighting - Driveaway, reflex reflector(s) missing on towed mobile structure trailer. Vehicle Maintenance | Vehicle Maintenance | 3 | Non-OOS | View → |
| 393.17D-LDSML | Lighting - Driveaway, side marker lamp(s) missing on intermediate towed vehicle. 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