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Best WiFi OBD OBD2 Scanner for iPhone iOS

This wifi obd scanner is able to comply with Android, iOS and Windows operating system. It is special for OBD-II vehicle and can be compatible with most models in the market. It is with switch on the bottom, which is convenient for user to turn off the power and stop work. It is also with indicators to show connection status of power, OBD and Wi-Fi.
  • FA-B12S
  • Fiberall

Main Characteristics of FA-B12S WIFI OBD2 Scanner

1, The obd scanner supports wifi connection. And it is with faster transmission speed than Bluetooth.

2, It is with led light inside the adapter to show connection status. User can judge the if the connection is successful or failed via the indicators.

3, There is power switch on the bottom of the obd2 scanner. User can stop it when it is unnecessary. So that it will not pull power from the battery. And also ensure the safe of the vehicle.

4, Buyer can request for customized print on the housing of the obd2 scanner. Customized label on the bottom is also acceptable. Other features like customized color, packing. pair code, MAC address and so on are also available.

5, The obd2 scanner is with the following functions:

①    Read diagnostic fault codes, both generic and manufacturer-specific codes.

②    Display meaning of trouble code (depends on configuration of App).

③    Clear trouble codes and turn off the MIL light.

④ Display current sensor data.


Parameters of FA-B12S OBD Scanner

Part number


Communication mode


Compatible Operation System

Android, Windows, iOS

Default Color


Connector Type

16Pin OBD-II Male

Workable vehicle

OBD-II complaint models

Operating voltage

DC 9-16V

Supported OBD-II protocols

1. SAE J1850 PWM (41.6Kbaud)

2. SAE J1850 VPW (10.4Kbaud)

3. ISO9141-2(5 baud init, 10.4Kbaud)

4. ISO14230-4 KWP (5 baud init, 10.4 Kbaud)

5. ISO14230-4 KWP (fast init, 10.4 Kbaud)

6. ISO15765-4 CAN (11bit ID, 500 Kbaud)

7. ISO15765-4 CAN (29bit ID, 500 Kbaud)

8. ISO15765-4 CAN (11bit ID, 250 Kbaud)

9. ISO15765-4 CAN (29bit ID, 250 Kbaud)


PWR, OBD, Link

Power switch



Using OBD Scanner to Clear Fault Code

When the check engine light is on, user can use OBD2 scanner to detect fault code. Through the fault code, the maintenance personnel can find the problem accurately and then repair it.

In the function description of our OBD2 scanner, we often see that it can clear fault codes. So what is the use of this feature?

After doing maintenance and troubleshooting for electronic control system, we also need to erase the fault codes stored in ECU. So that the ECU can record and store new fault codes in future. If ECU keeps the old fault code, it will output new and old codes together when the fault occurs again. When OBD2 scanner reads fault code, it is also read out old and new fault codes together. The user will not know which code is for current fault and which is for solved problem.

There are two kinds of fault codes: one for accidental fault and the other is for actual failure. Usually, user can clear accidental fault code if the fault does not appear again. But if it is a real fault, it should prepare the fault before eliminating the code.

In the past days without OBD scanner, some users used to cut off power of the control unit. Make the control unit go back to the initial state. In this way, the fault information in memory will disappear. But it is necessary to make sure there is no fault with the vehicle before doing that. Otherwise, the trouble code will reappear again when you use the car.

If there is OBD scanner in hand, user can test the car again after maintenance. After confirming that there is no fault code, the OBD2 scanner can help user to clear the fault code.

Best WiFi OBD OBD2 Scanner for iPhone iOS (4)

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