# NHTSA Recall 21V538000 — Completion Reports
> **Excessive Ammonia in Tailpipe Exhaust** · Gillig, LLC · Recalled 2021-10-14
## Latest status
- **Affected units:** 78
- **Remedied:** 78 (100%)
- **Unreachable owners:** 0
- **Removed from recall:** 0
- **Latest report:** 2023-10-30 (2023-3)
- **Quarters reported:** 8
## Quarterly progress
| Period | Affected | Remedied | Unreachable | Removed | Completion % | Reported |
|--------|----------|----------|-------------|---------|--------------|----------|
| 2021-4 | 78 | 13 | 0 | 0 | 16.67% | 2022-01-11 |
| 2022-1 | 78 | 78 | 0 | 0 | 100% | 2022-04-19 |
| 2022-2 | 78 | 78 | 0 | 0 | 100% | 2022-07-11 |
| 2022-3 | 78 | 78 | 0 | 0 | 100% | 2022-10-11 |
| 2022-4 | 78 | 78 | 0 | 0 | 100% | 2023-01-31 |
| 2023-1 | 78 | 78 | 0 | 0 | 100% | 2023-04-18 |
| 2023-2 | 78 | 78 | 0 | 0 | 100% | 2023-07-17 |
| 2023-3 | 78 | 78 | 0 | 0 | 100% | 2023-10-30 |
## Source
- [NHTSA recall page](https://www.nhtsa.gov/recalls?nhtsaId=21V538000)
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