Reason Code Explanation
| Code | Reason | |
|---|---|---|
| Required | ||
| A | Part No Longer Performs Intended Purpose | |
| B | Part Does Not Meet A Design Specification ( Regardless Of Performance) | |
| C | Part Is Missing | |
| Suggested/Optional | ||
| 1 | Part Is Close To The End Of Its Useful Life | |
| 2 | To Address A Customer Need, Convenience Or Request | |
| 3 | To Comply With Maintenance Recommended By The Vehicle's Original Equipment Manufacturer | |
| 4 | Technician's Recommendation Based On Substantial And Informed Experience | |
| 5 | To Comply With Maintenance Recommended By AMRA/MAP | |