LAUNCH X431 Tool DoIP Protocol Connection Method 2025

 LAUNCH X431 tool supports vehicle DoIP protocol diagnostics. DoIP, short for Diagnostic Communication over Internet Protocol, is an Internet-based diagnostic communication protocol.

Depending on the different VCIs included with the LAUNCH X431 diagnostic tool, LAUNCH offers five connection methods to accommodate different diagnostic needs for vehicles utilizing the DoIP (Diagnostic over IP) protocol. Here’s a summary of the available methods:

Method 1: For X431 PAD9/ PAD7/ PAD5 LINK Connection [Recommended];

Method 2: For X431 PRO3 LINK(PRO3 V+ ELITE, PRO3S+ ELITE) Connection;

Method 3: For X431 PAD III V3.0/ PRO3 SE/ PRO SE Connection;

Method 4: For X431 PRO5 Connection;

Method 5: For X431 PAD III, X431 PAD III V2 Connection.

Method 1

SmartLink C + X431 PAD9/ PAD7/ PAD5 LINK

Complete support, no separate DolP cable needed.

Method 2

SmartLink C + X431 PRO3 LINK(PRO3 V+ ELITE, PRO3S+ ELITE): Type C to Tablet

Use X431 PRO3 LINK(PRO3 V+ ELITE, PRO3S+ ELITE) with USB Type A to Type B cable.

Method 3

DBScar VII + X431 PAD III V3.0/ PR03 SE/ PRO SE/ CRP919 Series: Y-splitter cable to Tablet

PCS DoIP adapter cable (for DBScar VII).

Method 4

SmartLink C + X431 PRO5: Micro USB to Tablet

Use X431 PRO5 with USB Type B to Micro USB cable.

Method 5

DBScar IV + X431 PAD III/ PAD III V2: Y-splitter cable + RJ45

PCS X431 BMW F-chassis ECU programming cable.

Combining the above information, we can make a simple conclusion:

The X431 diagnostic tool comes standard with a SmartLink C adapter: DoIP diagnostics can be performed using the included cable.

The X431 diagnostic tool comes standard with a DBScar VII adapter: DoIP diagnostics can be performed only with the LAUNCH X431 DoIP Cable.

The X431 diagnostic tool comes standard with a DBScar IV adapter: DoIP diagnostics can be performed only with the X431 BMW F-chassis ECU programming cable.