I have a Galaxy s3 is my phone compatible

You have Bluetooth, so it'll communicate with your phone or any portable bluetooth Android tablet or phone.

Can it reset the error code?

Yes. If the same code appears again, have the vehicle checked out.

does work with gmc supurban 2002

It should work on any car, or light truck sold in the US after 1996. I used it on a 2001 Ford Focus.

Is there a proper way to connect and disconnect the device from the port? Engine on or off?

Seems to make no difference. I hook up mine with the engine off or on. When I watch the smog guys hook up, they usually do when the engine in on. Hope this helps

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Car WIFI OBD 2 OBD2 OBDII Scan Tool Foseal Scanner Adapter Check Engine Diagnostic Tool for iOS & Android

Car WIFI OBD 2 OBD2 OBDII Scan Tool Foseal Scanner Adapter Check Engine Diagnostic Tool for iOS & Android

Product ID: 302740800

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Details

Brand
Foseal
Language
English
UPC
709112844068
Global Trade Identification Number
Manufacturer
Foseal

📱Compatible with iOS & Android

📶WiFi-enabled seamless connectivity

🔧Supports 5 OBDII protocols

Description

🚗 Unlock your car’s secrets with a tap—diagnose like a pro, drive with confidence!

CERTIFIED RELIABILITY - FCC, EMC & RoHS certified for stable, safe, and trusted performance.
REAL TIME SENSOR DATA - Monitor RPM, coolant temp, fuel system, air flow & more for proactive car care.
INSTANT ENGINE DIAGNOSTICS - Read & clear check engine codes in seconds to avoid costly repairs.
UNIVERSAL PROTOCOL SUPPORT - Works flawlessly with ISO15765-4 (CAN), ISO14230-4, ISO9141-2, J1850 VPW & PWM standards.
CROSS PLATFORM COMPATIBILITY - Effortlessly pairs with iPhone, iPad, Samsung, LG, Google Nexus & other Android devices.

The Foseal Car WiFi OBD2 Scanner is a lightweight, compact diagnostic tool that connects wirelessly to iOS and Android devices. It supports multiple OBDII protocols to read and clear engine codes, display real-time sensor data, and reset check engine lights. Certified for safety and stability, it empowers drivers to monitor vehicle health effortlessly and avoid unexpected breakdowns.

Specifications

Manufacturer	Foseal
Brand	Foseal
Product Dimensions	8.99 x 5 x 2.49 cm; 45.36 g
Item model number	Foseal
Manufacturer Part Number	Foseal
Voltage	12 Volts
Manufacturer	Foseal
Item Weight	45.4 g

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