The following table lists some of the most common parts and accessories-related violations.
| Violation | Relevant Code |
| Not having required operable lamps | 393.9 |
| Clamp/roto-chamber type brake(s) out of adjustment | 393.47E |
| Tire tread depth less than 2/32 of an inch | 393.75C |
| No/discharged/unsecured fire extinguisher | 393.95A |
| No/defective lighting devices/reflective devices/projected | 393.11 |
| Inoperative turn signal | 393.9TS |
| Windshield wipers inoperative/defective | 393.78 |
| Automatic brake adjuster CMV manufactured on or after 10/20/1994—air brake | 393.53B |
| Brake hose/tubing chaffing and/or kinking | 393.45B2 |
| No/insufficient warning devices | 393.95F |