





Where is the OBD port?
Usually, the OBD port is often under the dashboard, or under a panel below the handbrake in the central console.
Why the DTCs cannot be cleared?
1. Please fix the issue first. 2. Switch the ignition OFF, wait for 1–3 minutes, then start the vehicle. After that, try to run "Read Codes" again.
What should I know before purchase?
Please confirm that your car comply with standard OBD II protocol (16pin DLC)
Will it diagnose ABS SRS Transmission system and do the programming?
No, the SC103 is specifically designed for diagnosing of engine and emission systems. For ABS, SRS, Transmission and other systems, you could check our SC530 model.
Is this SC103 code reader easy to use?
Yes, it has a comprehensive interface and a clear user manual. The built-in DTC library and detailed data provided make it ideal for entry-level diagnostics or for those seeking an affordable solution to monitor engine and fuel system sensors.






Where is the OBD port?
Usually, the OBD port is often under the dashboard, or under a panel below the handbrake in the central console.
Why the DTCs cannot be cleared?
1. Please fix the issue first. 2. Switch the ignition OFF, wait for 1–3 minutes, then start the vehicle. After that, try to run "Read Codes" again.
What should I know before purchase?
Please confirm that your car comply with standard OBD II protocol (16pin DLC)
Will it diagnose ABS SRS Transmission system and do the programming?
No, the SC103 is specifically designed for diagnosing of engine and emission systems. For ABS, SRS, Transmission and other systems, you could check our SC530 model.
Is this SC103 code reader easy to use?
Yes, it has a comprehensive interface and a clear user manual. The built-in DTC library and detailed data provided make it ideal for entry-level diagnostics or for those seeking an affordable solution to monitor engine and fuel system sensors.















