General Motors Local Area Network

General Motors Local Area Network (GMLAN) is an application- and transport-layer protocol using Controller Area Network for lower layer services.[1]

Transport-layer services

Transport-layer services include the transmission of multi-CAN-frame messages based on the ISO 15765-2 multi-frame messaging scheme. It was developed and is used primarily by General Motors for in-vehicle communication and diagnostics.[2] GM's Tech2 uses the CANdi (Controller Area Network diagnostic interface) adapter to communicate over GMLAN.

Applications

Some software applications that allow interfacing to GMLAN are Intrepid Control Systems, Inc.'s Vehicle Spy 3; Vector's CANoe; Dearborn Group's Hercules, ETAS' ES-1222, ES590, ES715, and ES580; ScanTool.net's OBDLink MX; EControls by Enovation Controls' CANCapture; and GMLAN vehicle universal remote control GMRC for Android devices

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References
  1. "GMW3089". Retrieved 2018-08-08. General Motors Local Area Network (GMLAN) Single Wire Controller Area Network (SWCAN) Physical and Data Link Layers Specification
  2. Jeff Hartman (13 February 2004). How to Tune and Modify Engine Management Systems. Motorbooks. pp. 252–. ISBN 978-0-7603-1582-8. GMW3110
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