# KDIAG

> KDIAG is an advanced diagnostic development tool

Canonical page: [https://chrome-stats.com/d/com.jiawei.diagnostictool](https://chrome-stats.com/d/com.jiawei.diagnostictool)

## Overview

- **ID:** `com.jiawei.diagnostictool`
- **Platform:** Android
- **Type:** Android app
- **Status:** Available
- **Publisher:** Shenzhen Jiawei Hengxin Technology Co.,Ltd
- **Category:** TOOLS
- **Downloads:** 97,573
- **Rating:** 3.75 / 5 (643 ratings)
- **Version:** 1.6.23
- **Last updated:** 2026-08-27
- **First published:** 2023-03-24
- **Publisher country:** CN
- **Size:** 86 MB
- **Data as of:** 2026-09-13
- **Store listing:** [Google Play Store](https://play.google.com/store/apps/details?id=com.jiawei.diagnostictool)
- **Privacy policy:** [https://zhuanlan.zhihu.com/p/616684997](https://zhuanlan.zhihu.com/p/616684997)

## Description

KDIAG is a cutting-edge diagnostic tool designed to streamline vehicle maintenance. Utilizing advanced hardware and software, this Chrome extension connects via Bluetooth to your car, fetching fault codes, data streams, and critical vehicle information. With comprehensive data analysis capabilities, KDIAG empowers users to accurately identify issues and manage vehicle health efficiently.

Ideal for mechanics, automotive professionals, and vehicle enthusiasts, KDIAG enhances diagnostic precision and helps prevent costly repairs by detecting problems early. Its user-friendly interface and robust technology make it an indispensable addition to your automotive toolkit.

## Rankings

- #223,623 — Overall

## Permissions and access

### Permissions

- `android.permission.ACCESS_COARSE_LOCATION`
- `android.permission.ACCESS_FINE_LOCATION`
- `android.permission.ACCESS_NETWORK_STATE`
- `android.permission.BLUETOOTH`
- `android.permission.BLUETOOTH_ADMIN`
- `android.permission.BLUETOOTH_ADVERTISE`
- `android.permission.BLUETOOTH_CONNECT`
- `android.permission.BLUETOOTH_SCAN`
- `android.permission.INTERNET`
- `android.permission.MOUNT_UNMOUNT_FILESYSTEMS`
- `android.permission.READ_EXTERNAL_STORAGE`
- `android.permission.READ_PHONE_STATE`
- `android.permission.READ_PRIVILEGED_PHONE_STATE`
- `android.permission.SYSTEM_ALERT_WINDOW`
- `android.permission.VIBRATE`
- `android.permission.WAKE_LOCK`
- `android.permission.WRITE_EXTERNAL_STORAGE`
- `com.google.android.finsky.permission.BIND_GET_INSTALL_REFERRER_SERVICE`
- `com.google.android.gms.permission.AD_ID`
- `com.jiawei.diagnostictool.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION`

## Review summary

Users praise KDIAG for its professional-grade, user-friendly interface and reliable, quick connections. It supports advanced diagnostics and is good value. However, multiple users report limited vehicle coverage, missing models particularly from Suzuki, Mercedes, Peugeot, and Asian brands, and issues connecting with certain adapters like Konnwei and Opel vehicles. Feature requests include ABS bleeding, gear learning, and idle adjustment. Some users also express concern over the app's requirement for full phone access.

### Pros

- User-friendly interface and easy navigation.
- Quick and reliable connection compared to other apps.
- Professional level diagnostic features similar to dedicated OBD2 tools.
- Supports advanced vehicle systems like CAN network and TPMS.
- Good value for the money.

### Cons

- Limited vehicle model database, missing popular brands/models like Suzuki Kizashi, Peugeot, Renault, Mercedes Sprinter, and some Asian brands.
- Connection issues with some adapters, especially Konnwei models and Opel brand vehicles.
- Lack of certain advanced features such as ABS air bleeding, gear learning, and idle adjustment.
- Requires full phone access which may raise privacy concerns.

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Source: [Chrome-Stats](https://chrome-stats.com/d/com.jiawei.diagnostictool)