Violation codes — DAVIS SCALE
12 violation codes cited at this site
| # | Code | Description | Citations | OOS % |
|---|---|---|---|---|
| 1 | 393.47E | Brake Out of Adjustment - Roto, Clamp (Short & Long), DD-3, or Bolt | 5 | — |
| 2 | 393.53B-B | Air Brake - CMV manufactured on or after 10/20/1994 has an automatic airbrake adjustment system that fails to compensate for wear. | 3 | — |
| 3 | 396.17C-PI | Operating a CMV without documentation of a periodic inspection. | 3 | — |
| 4 | 393.51C-BLPW | Air Brake - Low pressure warning device missing/inoperative. | 2 | — |
| 5 | 396.3A1-BOS | Brake - Defective brake(s) are equal to or greater than 20% of the service brakes on the vehicle/combination. | 2 | 100.0% |
| 6 | 393.9A-LTSIR | Lighting - Turn signal - Any inoperative on a unit that is not the rearmost unit | 1 | — |
| 7 | 395.3A2-HOSPRNP | Driving beyond 14 hour duty period. (Property carrying vehicle) - Nominal Violation | 1 | — |
| 8 | 393.60C | Windshield - Damaged or Discolored | 1 | — |
| 9 | 391.49J-MDP | Medical (Driver Physical) - Operating a CMV without a valid skill performance evaluation certificate in possession when required. | 1 | 100.0% |
| 10 | 393.45D-B | Air Brake - Audible air leak at a proper connection. | 1 | — |
| 11 | 390.21TB1-MC | Operating a CMV without legal name or trade name displayed. | 1 | — |
| 12 | 393.75A1-TEPBM | Tires - Exposed ply or belt material in tread or sidewall area. | 1 | — |
Data sources & freshness
TruckCodex aggregates official public-sector datasets. See the Source registry for dataset-level coverage and the Freshness log for last-import timestamps.
Census, SAFER, SMS, Licensing & Insurance (L&I), roadside inspections, crashes, and authority history.
Vehicle recall campaigns, defect investigations, and consumer safety complaints (SCRS).
Cross-border carrier registry and Canadian recall campaigns where applicable.
TruckCodex is an independent aggregator; it is not affiliated with FMCSA, NHTSA, EIA, or Transport Canada. Always verify compliance-critical information directly with the originating agency.