NEW JLR DoIP VCI is the newest interface for Jaguar and Land Rover vehicles.

NEW Genuine JLR DoiP-VCI-WIFI

The new JLR approved DOIP VCI is the only unit that will be compatible with Pathfinder and all JLR vehicles with the new vehicle architectures (from the Range Rover/Range Rover Sport (L405/L494) 17MY onwards) or allow the enhanced diagnostics that Pathfinder will offer the retailer.

In addition to the 17MY vehicle line applications, the DOIP VCI will be capable of interfacing with 14-16MY Multi-CAN architecture vehicle lines on the Pathfinder diagnostic system.

14-16MY vehicle lines with DOIP VCI support:
XE (X760)
F-Pace (X761)
F-Type (X152)
XF (X260)
XJ (X351) – 16MY only
Evoque (L538)
Discovery Sport (L550)
Range Rover (L405)
Range Rover Sport (L494)

Pre-14MY and vehicles not detailed above will continue to use the current diagnostic system and VCIs.

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The new JLR approved DOIP VCI is the only unit that will be compatible with Pathfinder and all JLR vehicles with the new vehicle architectures (from the Range Rover/Range Rover Sport (L405/L494) 17MY onwards) or allow the enhanced diagnostics that Pathfinder will offer the retailer.
In addition to the 17MY vehicle line applications, the DOIP VCI will be capable of interfacing with 14-16MY Multi-CAN architecture vehicle lines on the Pathfinder diagnostic system.

Bank Transfer for Payment only ASccepted fo these devices

14-16MY vehicle lines with DOIP VCI support:
XE (X760)
F-Pace (X761)
F-Type (X152)
XF (X260)
XJ (X351) – 16MY only
Evoque (L538)
Discovery Sport (L550)
Range Rover (L405)
Range Rover Sport (L494)

Pre-14MY and vehicles not detailed above will continue to use the current diagnostic system and VCIs.

DoIP Stand for ?

AcronymDefinition
DOIPDial Other Internet Providers (computer application)
DoIPDomotics Over IP (Internet Protocol; automation technology)
DOIPDigi Optical Image Processor (Sim2 Multimedia Fiber Optic Video Processor)
DOIPDepot Operations Improvement Program
DoIPDiagnostics over Internet Protocol (computing)

What is Diagnostic over Internet Protocol (DoIP) and How it Supports Remote Vehicle Diagnostics

What is Diagnostic over Internet Protocol (DoIP)?

As the name suggests, DoIP is the automotive diagnostics protocol based on IP. Defined by ISO 13400-2 standard, DoIP facilitates diagnostics related communication between external test equipments and automotive control units (ECU) using IP, TCP and UDP.

DoIP also supports communication between on-board and off-board diagnostic systems of a vehicle.

Because DoIP enables access to the vehicle electronic components (a.k.a Automotive ECU) through Internet, it becomes possible to fetch diagnostic data from vehicle remotely, without requiring physical access to the vehicle.

In simple words, DoIP stack serves as a gateway for all the next generation Remote Vehicle Diagnostics applications!

Since the standard Ethernet Physical layer is used as a transmission medium for DoIP, it is also known as Diagnostics over Ethernet.

Following are some of the advantages of Ethernet MAC layer of DoIP stack solution:

  • Ethernet is a low-cost technology which allows high bandwidth for data communication.
  • It is a flexible communication platform and can be easily integrated into existing
  • It is light weighted, simple shielded structured cable.
Why UDS over Ethernet (as DoIP) for next generation automotive applications?

The ever growing complexity of electronic systems and need for large volume of data communication between vehicle networks, meant that automotive OEMs’and Suppliers felt the need for a more effective vehicle communication network like Ethernet.

Case in point: ECU re-programming, remote & on-board diagnostics are some examples of automotive applications that demand for faster data transfer rate.

As Ethernet physical layer doesn’t support bus like structure (like that in CAN), a switch is required for every network node. This ensures that Ethernet based DoIP supports rates of upto 100 mbps as compared to 500 kbps by CAN.

In the past, OEM’s provided diagnostic services over proprietary or KWP protocols. But the trend has shifted to more popular Unified Diagnostic Services (UDS) protocol that supports various BUS systems such as CAN, K-line, FlexRay and Ethernet.

Hence, UDS is now the most properly used standard for Diagnostic Protocol. DoIP transport layer is defined as a part of the UDS specification.

ISO-OSI Model of DoIP based software architecture

  • As mentioned before, ISO 13400-2 transport layer facilitates diagnostic communication between external test equipment and vehicle electronic components.
  • The implementation of a common set of Unified Diagnostic Services (UDS) on Internet Protocol (UDSonIP) is done using ISO 14229-5 Application layer.
  • The Vehicle transport layer is facilitated by TCP or UDP. Based on the standard, IPv6 acts a Network Layer and IPv4 can be used for compatibility.
  • Ethernet MAC is used as the Data Link Layer. The corresponding Physical Layer for on-board communication is specifies as Broad Reach or 100 Base T, while that for off-board communication is Ethernet.




Here is a comparison between UDS on IP and UDS on CAN, on the basis of system architecture and data transmission:

On the basis of systems architecture:

  • UDS application layer has been modified to support compatibility with Ethernet transmission medium. This compatibility for UDS on IP is defined by ISO 14229-5 standard.

  • While the ISO 14229-3 standard defines implementation of UDS on CAN.

  • UDS on IP has DoIP Transport Layer defined by ISO 13400-2 standard. While UDS on CAN has ISO 15765-2 transport layer that support CAN physical layer.
  • The physical layer for UDS on IP is Ethernet, based on IEEE 802.3, a wired vehicle interface standard and the UDS on CAN is defined by ISO 11898 standard (classical CAN network).

On the basis of Data Transmission:

  • UDS on IP supports greater latency time of data transmission as compared to CAN.
  • A greater bandwidth capacity in DoIP enables it to handle large amount of data in comparison with CAN.
  • The standardized data format in DoIP makes the data less prone to error and ideal for diagnostic services.

Important Features of ISO 13400-2:2012

ISO 13400-2:2012 defines the requirement for vehicle gateway (for an instance, for integration into an existing computer network) and requirements for the test equipment (for example, to detect and establish communication with vehicle).

ISO 13400-2 is a significant for diagnostic communication. Here are some of its important features:

  • Vehicle network integration (IP address assignment).
  • Vehicle announcement and vehicle discovery.
  • Vehicle basic status information retrieval (example: diagnostic power mode).
  • Connection establishment, connection maintenance and vehicle gateway control.
  • Data routing to and from the vehicle’s sub components.
  • Error handling (example: physical network disconnect).

The optional features of ISO 13400-2:2012 –

  • DoIP entity status monitoring.
  • DoIP entity firewall capabilities.