WJdiag Pro Diagnostics for Jeep Grand Cherokee APK 12.0
WJdiag Pro is designed to diagnose problems of Jeep Grand Cherokee 2002-2004 year, WJ / WG models with 2.7 CRD engine.WJdiag works with ELM327 Bluetooth device via OBD2.It is highly recommended to use good ELM327 and avoid fake Chinese devices. 10 EUR Chinese ELM327 devices do not support ISO 9141-2 and J1850 data protocols required for Jeep WJ diagnostics and will display a connection error although some other generic diagnostic app can connect to some module.WJdiag is a custom app for Jeep WJ / WG, it cannot connect with your car if your ELM327 cannot handle the data that Jeep needs. There are no problems with good ELM327 devices and they can connect successfully to the car. Your ELM327 compatibility can be checked with WJdiag Free.
Supported Android Devices : [4.0.3–4.0.4] Ice Cream Sandwich - [4.1–4.3.1] Jelly Bean - [4.4–4.4.4] KitKat - [5.0–5.0.2] Lollipop - [6.0 - 6.0.1] Marshmallow - [7.0 – 7.1.1] Nougat - [8.0-8.1] Oreo -  Pie