WJdiag Pro - Diagnostics for J

Installs

Rating

4.9

Rating count

< 500

Category	Auto & Vehicles
Developer	Tops OU
Price	20.99
First release	11/13/2018 (7 years ago)
Version	26.0
In-app purchases	No
Contains ads	No
Content rating	PEGI 3
Package name	com.jeepswj.WJdiagPro

View on Play Store

Core Metrics

Data Breakdown

Date	Rating Count	Average Rating	Installs	Version
7/29/2025	299	4.900	6,039	26.0
7/28/2025	299	4.900	6,035	26.0
7/27/2025	299	4.900	6,035	26.0
7/26/2025	299	4.900	6,028	26.0
7/25/2025	299	4.900	6,027	26.0
7/24/2025	299	4.900	6,025	26.0
7/23/2025	299	4.900	6,023	26.0
7/22/2025	299	4.900	6,023	26.0
7/21/2025	299	4.900	6,023	26.0
7/20/2025	299	4.900	6,022	26.0
7/19/2025	299	4.900	6,017	26.0
7/18/2025	299	4.900	6,014	26.0
7/17/2025	298	4.889	6,014	26.0
7/16/2025	298	3.750	6,011	26.0
7/15/2025	298	3.750	6,005	26.0
7/14/2025	298	3.750	6,004	26.0
7/13/2025	298	3.750	6,001	26.0
7/12/2025	298	3.750	6,001	26.0
7/11/2025	298	3.750	5,999	26.0
7/10/2025	298	3.750	5,997	26.0
7/9/2025	298	3.750	5,990	26.0
7/8/2025	298	3.750	5,989	26.0
7/7/2025	298	3.750	5,988	26.0
7/6/2025	0	0.000	5,988	26.0
7/5/2025	0	0.000	5,982	26.0
7/4/2025	0	0.000	5,982	26.0
7/3/2025	0	0.000	5,976	26.0
7/2/2025	0	0.000	5,976	26.0
7/1/2025	0	0.000	5,972	26.0
6/30/2025	0	0.000	5,972	26.0
6/29/2025	295	4.000	5,970	26.0
6/28/2025	295	4.900	5,969	26.0
6/27/2025	295	4.889	5,967	26.0
6/26/2025	295	4.000	5,967	26.0
6/25/2025	295	4.000	5,962	26.0
6/24/2025	295	4.000	5,961	26.0
6/23/2025	295	4.000	5,961	26.0
6/22/2025	295	4.000	5,957	26.0
6/21/2025	295	4.000	5,951	26.0
6/20/2025	295	4.000	5,951	26.0
6/19/2025	294	4.000	5,947	26.0
6/18/2025	294	4.000	5,947	26.0
6/17/2025	0	0.000	5,945	26.0
6/16/2025	0	0.000	5,945	26.0
6/15/2025	0	0.000	5,944	26.0
6/14/2025	0	0.000	5,932	26.0
6/13/2025	0	0.000	5,928	26.0
6/9/2025	0	0.000	5,924	26.0
6/8/2025	0	0.000	5,913	26.0
5/29/2025	294	4.000	5,911	N/A
5/28/2025	294	4.000	5,892	N/A
5/27/2025	294	4.000	5,892	N/A
5/24/2025	294	4.000	5,887	N/A
5/22/2025	294	4.000	5,883	N/A
5/21/2025	294	4.000	5,872	N/A
5/20/2025	293	4.000	5,872	N/A
5/19/2025	292	4.000	5,869	N/A
4/28/2025	290	4.600	5,821	N/A
4/24/2025	290	4.000	5,820	N/A
4/23/2025	289	4.600	5,812	N/A
4/22/2025	289	4.000	5,793	N/A
4/15/2025	289	4.000	5,793	N/A
4/10/2025	289	4.000	5,783	N/A
4/6/2025	289	4.000	5,766	N/A
3/10/2025	0	0.000	5,736	N/A
2/20/2025	0	0.000	5,634	N/A
2/17/2025	0	0.000	5,634	N/A

Details

WJdiag Pro is made for diagnosing issues of Jeep Grand Cherokee 2002-2004 year, WJ/WG models with 2.7 CRD engine.
WJdiag is working with Bluetooth ELM327 device through OBD2. 

Supported functions of WJdiag Pro are listed on our website tutorial page at https://jeepswj.com/wjdiag-tutorial

We highly recommend to use good ELM327 and avoid fake Chinese devices. 
Most of 10 EUR Chinese ELM327 devices do not support ISO 9141-2 and J1850 data protocols that are needed for Jeep WJ diagnostic and will display connection error even if some other generic diagnostic app can connect to some module. 
WJdiag is customized app for Jeep WJ/WG, it can not connect with your car if your ELM327 can not handle data that Jeep needs. There are no problems with good ELM327 devices and they can connect to car correctly. Your ELM327 compatibility can be checked with WJdiag Free.

WJdiag has all options of professional car diagnostic - Fault Codes, Sensor Live Data, Tests and Coding. All electronic modules that 2.7 CRD Jeep has are supported.  All electronic modules except Engine, Transmission and Shifter are supported on gasoline and 3.1 diesel model.
In addition WJdiag Pro can access to many Chrysler Group cars made between 1998 and 2005.
Electronic modules that WJdiag can access: 
Engine (2.7 CRD only), 
Transmission (2.7 CRD only), 
ABS, 
Airbag, 
Shifter Lever (2.7 CRD only), 
SKIM, 
Body Computer, 
Automatic Temp control, 
Driver Door, 
Passenger Door, 
Electro Mech Cluster, 
Overhead Console, 
Navigation System, 
Radio, 
CD Changer, 
Park Assist, 
Rain Sensor, 
Adjustable Pedal Module, 
Satellite Audio Receiver, 
Hands Free.

Engine support for 2.7 CRD models:
Fault codes reading with ID code and code explanation, Freeze Frame.
Fault codes clearing
Live Data (51 values, it is every value that 2.7 CRD engine has). Logging with options
Input / Output (26 values - switches, EGR, relays, Steering Wheel etc.)
Injector Test and Coding

Transmission support for 2.7 CRD models:
Fault codes reading with ID code and code explanation, Freeze Frame
Fault codes clearing
Live Data (22 values), Logging with options.
Input / Output (23 values - solenoids, gears, Shifter signals, Transfer Case switch etc.)

ABS support, all WJ/WG models:
Fault codes reading and clearing
Live Data, Logging with options
Input/Output values
Pinion Factor coding (Speedometer correction)

Other control units randomly have Fault Codes, Live Data, Input/Output and tests.
Before you buy our WJdiag Pro application, please try our WJdiag Free to confirm that your ELM327 diagnostic device can read data from your car.

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