# Any power unit that has an inoperative wiper, or missing or damaged parts that render it ineffective — Vehicle inspection defect categories: MOT major, minor and dangerous verdicts

For Any power unit that has an inoperative wiper, or missing or damaged parts that render it ineffective, category is Reject; inspection item number is 13; defect reference is 13; inspection item is Windshield Wipers; authority is US 49 CFR Appendix A to Part 396, recorded from its source on 2026-08-06.

- **Defect:** Any power unit that has an inoperative wiper, or missing or damaged parts that render it ineffective _(verified: appears in the quote below)_
- **Category:** Reject
- **Inspection item number:** 13 _(verified: appears in the quote below)_
- **Defect reference:** 13. _(verified: appears in the quote below)_
- **Inspection item:** Windshield Wipers _(verified: appears in the quote below)_
- **Authority:** US 49 CFR Appendix A to Part 396 _(our reading, not quoted from the source)_

## What the source says

> 13. Windshield Wipers. Any power unit that has an inoperative wiper, or missing or damaged parts that render it ineffective.

## Source

- https://www.law.cornell.edu/cfr/text/49/appendix-A_to_part_396

Last verified: 2026-08-06. Review by: 2027-02-02.
Part of [Vehicle inspection defect categories: MOT major, minor and dangerous verdicts](https://referencesource.org/vehicle-inspection-defect-categories/).