OBD-II protocols used on General Motors Other models 2005

Protocol
ISO-14230-4 (KWP2000)
SAE J1850 10.4kbps (VPW)
ISO-15765-4 (CAN)
The ELM-USB OBD-II USB interface and OBDTester diagnostic program support these protocols.

OBD-II connector pinout for CAN vehicles

OBD-II connector pinout for ISO9141 General Motors

OBD-II connector pinout for SAE J1850 VPW Other models

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