NASTF is a cooperative effort among the automotive service industry, the equipment and tool industry and OEMs to ensure that independent automotive service professionals have the information, training, and tools needed to properly diagnose and repair today’s high tech vehicles. Corporate Partner

Known good comparison of CAN signals at DLC and after the J533 Gateway on the powertrain network

Hans Diagnostician Utah Posted   Edited  
Resource
Electrical
Network Communications
2012 Volkswagen Jetta S 2.0L (CBPA) 5-spd (0A4)
Can
Network
Waveform
Picoscope
2.0

Known good comparison of CAN signals at DLC and after the J533 Gateway on the powertrain network. I used my Line SPI BOB with VCDS connected and communicating to the ECM. There is a significant lack of activity at the DLC compared to the actual powertrain network.

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diag​.​net/file/f6nk6b9uw… ​

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NASTF is a cooperative effort among the automotive service industry, the equipment and tool industry and OEMs to ensure that independent automotive service professionals have the information, training, and tools needed to properly diagnose and repair today’s high tech vehicles. Corporate Partner