GODIAG GT327 SUPER DOIP ENET ELM327v1.5 Bluetooth 4.0 OBD II Scanner for iOS/Android/Windows Support Voltage Display

GODIAG GT327 Quick Start Guide

GODIAG GT327 SUPER DOIP ENET OBDII ELM327v1.5 FULLScanner-en-v1.0

GODIAG GT327 Optimization Diagram

1. The GODIAG GT327 is Designed for:

• Professional automotive repair technicians performing OBD‑II diagnostics, DOIP / ENET coding and programming
• DIY vehicle enthusiasts for reading/clearing fault codes and monitoring real‑time vehicle data
• Auto locksmiths and ECU tuning specialists working on BMW, Mercedes‑Benz, VAG group DOIP‑supported vehicles
• Mobile roadside repair personnel for quick battery voltage check and general vehicle inspection
• Automotive vocational schools for CAN / DOIP protocol practical teaching

2. Supported Key Functions & Features

• Standard OBDII vehicle diagnostics via Bluetooth
• DOIP and ENET diagnostic communication via Ethernet cable
• Diagnostic programming and coding for compatible vehicles
• Display current vehicle OBDII diagnostic interface voltage
• Low voltage warning when vehicle voltage drops below 11V
• ARM core dual mode Bluetooth communication
• Android Bluetooth connection
• iPhone Bluetooth Low Energy connection
• Support for 9 to 30V vehicles
• Compatible with cars, motorcycles, trucks, commercial vehicles, and SUVs
• ELM327 V1.5 based OBDII communication
• Support multiple OBDII communication protocols

Supported standard OBDII protocols include:

• SAE J1850 PWM
• SAE J1850 VPW
• ISO 9141 2
• ISO 14230 4 KWP
• ISO 15765 4 CAN
• DOIP ENET via Ethernet connection

3. What Vehicles Does It Support?

Supported Brands

BMW, Mercedes‑Benz, Volkswagen, Audi, Land Rover, Jaguar, Bentley, Lamborghini, Volvo, Geely and all OBD‑II compliant global vehicle brands

Supported Year Range

All OBD‑II compliant vehicles from 1996 up to latest 2026 models; DOIP‑capable vehicles for 2017‑newer luxury platforms

Supported Vehicle Systems

Standard OBD‑II engine / powertrain systems; DOIP / ENET‑supported ECUs for diagnosis, coding and programming

Supported Communication Protocols

SAE J1850 PWM, SAE J1850 VPW, ISO9141‑2, ISO14230‑4 KWP, ISO15765‑4 CAN, DOIP‑ENET (via Ethernet cable)

4. Please Note the Following Limitations

1. No software included, users need to prepare compatible third‑party mobile and PC diagnostic software separately
2. DOIP‑ENET programming / coding function only works over Ethernet cable; Bluetooth is only for standard OBD‑II functions
3. Mobile‑side DOIP operation requires extra OTG adapter (not supplied in package)
4. It is a communication adapter only; cannot perform dealer‑level official online factory programming that requires OEM account authorization
5. Does not support heavy‑duty commercial trucks over 30 V, construction machinery
6. Not compatible with WiFi‑only OBD applications; connection is purely Bluetooth or Ethernet
7. Low‑voltage alarm is for warning purpose only; device cannot charge vehicle battery itself

5. Hardware Accessories & Licensing Requirements

• Pure communication hardware, no activation codes, hardware lock or annual‑subscription authorization
• Mandatory separate items: Compatible third‑party mobile / PC diagnostic software (NOT included)
• Optional accessory: OTG converter cable if running DOIP functions from mobile phone (sold separately)
• All necessary hardware parts (host, 3‑meter ENET cable) are contained inside original package

6. GODIAG GT327 SUPER DOIP ENET OBDII Scanner Specification:

• Bluetooth Version: Bluetooth 4.0 ARM dual‑mode
• Bluetooth Name Android: OBD II
• Bluetooth Name iOS: OBD BLE
• Supported Input Voltage: 9‑30 V DC
• Low‑voltage Alarm Threshold: 11 V
• Protocols: SAE J1850 PWM / VPW, ISO9141‑2, ISO14230‑4 KWP, ISO15765‑4 CAN, DOIP‑ENET
• PC Connection: 3‑Meter ENET Ethernet cable
• Display: Digital voltage screen
• Product Weight: 0.2 KG
• Package Dimension: 14.5cm * 10cm * 4cm
• Operating Temperature: ‑20℃ ~ 60℃

7. Software Update

• GT327 hardware has no user‑flashable onboard firmware, no online / offline upgrade function
• Zero update‑related costs, no free‑update expiration date
• All new‑model compatibility depends on the version of your separately‑purchased third‑party diagnostic software

8. Global Version

100% global‑universal hardware without regional protocol lock. Works for US, EU, UK, Asian market OBD‑II and DOIP‑equipped vehicles; no country‑specific function shielding.

9. Warranty

• Standard manufacturer hardware warranty: 12 months counted from original purchase date
• Warranty coverage: Factory defects of main circuit board, Bluetooth module, voltage display and Ethernet port under normal vehicle‑OBD usage
• Excluded from warranty: Damage caused by reverse power supply, over‑voltage input, liquid ingress, violent plugging and unauthorized disassembly
• 30‑day return service (buyer bears return‑shipping costs for non‑quality‑related issues); lifetime online text‑based technical support

10. Package List

Android phone Bluetooth communication diagnostic function and usage steps:

Android phone supported software: Torque, inCarDoc，CarScanner, MotorData OBD， DashCommand, OBD Car Doctor, Auto Doctor, MiniOBDI, EOBD...etc. 【This device only supports Bluetooth. Please note that WiFi or dedicated device software cannot be used with this device when downloading and purchasing software.】

Steps:

A. Download and install the diagnostic software on your mobile phone (Torque, CarScanner, MotorData OBD are recommended). The DOIP ENET switch of the device pops up and is in the off state. Do not connect the Ethernet cable【The Ethernet cable can only be used for DOIP ENET computer-specific software.】

B. The device is connected to the vehicle diagnostic interface, and the voltage display screen shows the current OBDII diagnostic interface voltage. The power indicator light is on. If the voltage is lower than 11V, the device will sound an alarm and the user needs to charge the car battery with a dedicated car battery charger. 

C. Open the phone settings - turn on Bluetooth - search Bluetooth - select the Bluetooth name [OBD II] and the password is 1234 or 0000 - enter the software after successful matching.

D. For software settings, please refer to the recommended software matching settings video.【Note: The settings for different software are also different.】

iPhone Bluetooth communication diagnostic function and usage steps:

iPhone supported software: free software Car Scanner FasLink X OBDII Scanner ELM327 and many paid software, etc,【This device only supports Bluetooth. Please note that WiFi or dedicated device software cannot be used with this device when downloading and purchasing software.】

Steps:

A.Download and install diagnostic software on your iPhone (CarScanner and FasLink X are recommended). The DOIP ENET switch of the device pops up and is in the off state. Do not connect the Ethernet cable【The Ethernet cable can only be used for DOIP ENET computer-specific software.】

The device is connected to the vehicle diagnostic interface, and the voltage display screen shows the current OBDII diagnostic interface voltage. The power indicator light is on. If the voltage is lower than 11V, the device will sound an alarm and the user needs to charge the car battery with a dedicated car battery charger.

C. Open the phone settings - turn on Bluetooth (Note: iPhones cannot select Bluetooth for connection and matching in the phone settings)

D, Open the settings of the software on the iPhone, select the OBDBLE Bluetooth name and the password is 1234 or 0000. Refer to the recommended software matching settings video.【Note: The settings for different software are also different.】

SUPER DOIP ENET Connection to computer for use:

It supports diagnostic programming and coding for BMW Benz, Volkswagen, Audi and other vehicles that support DOIP protocol. [no software is provided.]

 

It can be used for diagnostic programming and coding of Land Rover, Bentley， Lamborghini， JAGUAR VOLVO, and Geely vehicles that support DOIP communication. [no software is provided.]

 

SUPER DOIP ENET Connection to Mobile Phone for use:

Note: DOIP ENET vehicle diagnostics can only be connected via an Ethernet cable