Gear ratios
The value indicates the gearbox gear ratio. The control module uses the input and output speeds to calculate the gear ratio. For the correct gear ratio see the table below
| AW50-42 gearbox | |
| Gear | Gear ratios |
| R | 3.949 |
| 1 | 3.606 |
| 2 | 2.060 |
| 3 | 1.366 |
| 4 | 0.982 |
| Transmission GM (S80, (-06) non turbo, XC90) | |
| Gear | Gear ratios |
| R | 2674 |
| 1 | 3.275 |
| 2 | 1.758 |
| 3 | 1.121 |
| 4 | 0.790 |
| Transmission GM (S80, (-06) turbo) | |
| Gear | Gear ratios |
| R | 2.385 |
| 1 | 2.921 |
| 2 | 1.568 |
| 3 | 1.000 |
| 4 | 0.705 |