リコール届出番号「1554」（ホライゾン：型式「KH-UBS73GWH」）の対象車両は、以下の66台です。
| ホライゾン 型式：KH-UBS73GWH 合計66台 |
| UBS73GW-7200041 |
UBS73GW-7200046 |
UBS73GW-7202302 |
| UBS73GW-7202503 |
UBS73GW-7202563 |
UBS73GW-7202566 |
| UBS73GW-7202656 |
UBS73GW-7202657 |
UBS73GW-7202658 |
| UBS73GW-7202659 |
UBS73GW-7202687 |
UBS73GW-7202688 |
| UBS73GW-7202748 |
UBS73GW-7202749 |
UBS73GW-7202752 |
| UBS73GW-7202856 |
UBS73GW-7202951 |
UBS73GW-7202952 |
| UBS73GW-7203049 |
UBS73GW-7203050 |
UBS73GW-7203051 |
| UBS73GW-7203197 |
UBS73GW-7203198 |
UBS73GW-7203199 |
| UBS73GW-7203339 |
UBS73GW-7203340 |
UBS73GW-7203455 |
| UBS73GW-7203456 |
UBS73GW-7203457 |
UBS73GW-7203477 |
| UBS73GW-7203478 |
UBS73GW-7203562 |
UBS73GW-7203642 |
| UBS73GW-7203885 |
UBS73GW-7204037 |
UBS73GW-7204038 |
| UBS73GW-7204083 |
UBS73GW-7204084 |
UBS73GW-7204232 |
| UBS73GW-7204233 |
UBS73GW-7204447 |
UBS73GW-7204448 |
| UBS73GW-7204449 |
UBS73GW-7204450 |
UBS73GW-7204634 |
| UBS73GW-7204809 |
UBS73GW-7204931 |
UBS73GW-7205274 |
| UBS73GW-7205275 |
UBS73GW-7205618 |
UBS73GW-7206295 |
| UBS73GW-7206335 |
UBS73GW-7206590 |
UBS73GW-7206591 |
| UBS73GW-7206632 |
UBS73GW-7206827 |
UBS73GW-7206743 |
| UBS73GW-7206822 |
UBS73GW-7206834 |
UBS73GW-7206934 |
| UBS73GW-7206935 |
UBS73GW-7206996 |
UBS73GW-7207128 |
| UBS73GW-7207138 |
UBS73GW-7207368 |
UBS73GW-7207400 |
|
