Dear Alientech Kess3 Users,
Please be advised of an important update concerning Kess V3 software subscriptions.
Starting March 27, 2026, KESS3 subscription will adopt a new structure. All subscriptions will be valid for a 12-month period, with only the three types outlined below available.
1.Subscription Renewal Costs
| Category | Master Version | Slave Version |
| Early Renewal | € 990 | € 490 |
| Normal Renewal | € 1,190 | € 590 |
| Reactivation (>12 months expired) | € 1,390 | € 690 |
Note:
No additional subscription types will be offered; all renewal scenarios are covered within the three categories listed above.
2.Renewal Conditions & Terms
| Items | Early Renewal | Normal Renewal | Reactivation |
| Condition | Subscription still active; renew before expiration | Expired less than 12 months | Expired more than 12 months |
| Term Start | From original expiration date | On actual renewal date of renewal | On reactivation date |
| Benefit / Note | No lost usage days; lowest price | Any gap
between expiry and renewal is automatically aligned; no extra fee |
Most expensive |
Suggestion:
The subscription cost is very expensive if Kess V3 ECU Programmer subscription has expired more than 12 months, so it is better to maintain a continuous subscription.
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