#launch smartlink c

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How to Fix the Connector Firmware on Launch SmartLink C V2.0

If the connector firmware on your Launch SmartLink C V2.0 encounters issues, you can repair it directly through the device settings or via the diagnostic tablet. This guide explains both methods step by step.

Method 1: Repair Firmware via Device Settings (WLAN)

1. Connect the SmartLink C V2.0 to the vehicle’s OBD diagnostic port and power it on. 2. Wait for the device to finish booting. 3. Tap the Settings icon in the upper-right corner of the screen. 4. Connect the device to a WLAN network. 5. Select "Firmware Repair." 6. Tap "Start Repair." 7. Wait for the system to download and repair the firmware automatically. 8. Once the process is complete, the firmware repair is finished.

Method 2: Repair Firmware Using Network Cable and Diagnostic Tablet

You can also perform the firmware repair using a network cable and a diagnostic tablet such as the Launch X431 Pro3. 1. Connect the device to the internet using a network cable. 2. Tap the Settings icon in the upper-right corner. 3. Select "Firmware Repair" → "Start Repair." 4. On the Launch X431 Pro3, select "Diagnosis Kit." 5. Tap "Fix Connector Firmware." 6. Click "FIRMWARE FIX." 7. The main unit will connect to SmartLink C V2.0 via Bluetooth. 8. Wait until the system indicates the firmware upgrade is successful. 9. The repair process is now complete.

Video guides:

For more automotive diagnostic guides and tools, visit: www.obd2shop.co.uk

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How to Use Launch X431 SmartLink C as J2534 Passthru Device?

Launch X-431 SmartLink C 2.0 can be worked as local and remote J2534 Passthru device, and can be compatible with X431 V+, PRO3S+, PRO3 APEX, PRO3 ACE and PRO5 to perform diagnosis and remote ECU reprogramming for commercial vehicles, passenger vehicles, new energy and other models.

1.How to make X431 SmartLink C work as a Local J2534 Passthru device?

Need a USB cable to connect SmartLink C V2.0 Dongle and a PC

Make sure the PC has been installed with the OEM diagnostic software to perform the J2534 reprogramming.

The PC also needs to install with the LAUNCH's J2534 tool, which can be downloaded from www.cnlaunch.com.

Path: Products>> E-commerce product>> X-431 PAD VII Elite>> Download>> Download

Find “Smartlink J2534.zip”, and click “Download” for this option to download LAUNCH J2534 tool directly.

After downloading, you will see Launch J2534.exe and J2534 operation guide_EN.pdf.

Double-click “Launch J2534.exe” to run it, and follow the on-screen prompts to proceed until the installation is completed.

Then the J2534 reprogramming function is ready to start.

Run the diagnostic software on the PC

If the OEM software prompts you to select the target VCI (Vehicle Communication Interface) device, please choose “Launch J2534” (If no such prompt pops up, please follow the instructions on the screen to proceed directly) and then follow the onscreen instructions to proceed.

Note:

When used with the vehicle manufacturer’s programming application, the SmartLink and SmartBox device not only can work as a J2534 Pass-thru device, it also can work as a VCI device to read DTCs, clear DTCs and read live data etc.

2.How to make Smartlink C work as a Remote J2534 Passthru device?

Working with the PC installed with the OEM diagnostic software to perform the J2534 remote ECU reprogramming function. (need internet)

Make sure the following conditions are met before diagnosis.

Connect Launch SmartLink C V2.0 to the Internet which has a strong and stable network signal

Install the OEM diagnostic software on the PC

Install LAUNCH J2534 tool on the PC as well

After SmartLinkC is connected to the vehicle's DLC port and the Internet, and has been switched to the super remote diagnosis mode, start to perform the remote J2534 reprogramming operation.