How-to: 5JA920840J SW0709 NEC+24C64 Login with RESET PIN.
(Credit to Xhorse Poland distributor.)
Skoda Fabia, after 2015 PQ25 5JA920840J SW0709 , VW Amarok 2H0920871A SW0805
Please know, we always recommend to read & save EPP before you start.
RESET PIN is a GND signal , no need any rezistors or special line
With RESET PIN no need prepare EPP to Service Mode to login cluster if “all key lost”
1) Switch OFF power (Kl15 & KL30) , with KL15 OFF it will not work
2) Find a RESET PIN near CPU
3) Switch OFF Power Supply (KL30 & Kl15)
4) Connect GND to RESET PIN and hold
5) Select proper cluster type in VVDI2 VAG
6) Switch ON power supply (KL15 & KL30)
7) Remove RESET PIN (you can remove RESET PIN after few second when you switch ON Power
8) Select READ IMMO or EPP and Select LOGIN METODE 2 (you can also try with other metode if this one faile)
9) VVDI2 can login cluster now