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06.03.2009: ACC unit harness
There is a number of locations in the car where you can access the instrumentation bus: the SID, the stereo, the ACC, the CD changer, etc. I chose to unplug the ACC panel since I can live without it while tuning.

Here's a brief guide on how to connect to the CAN bus on a Trionic7 ECU.

CAN bus connection offers a fast and convenient way to read or flash the firmware in the ECU. However, keep in mind that there's a slight chance it may fail while writing the memory, especially if you're flashing in the car. When that happens, you end up with a dead ECU, which no longer responds to a CAN connection. The only way to revive it in this case is by using a BDM interface.

Related Links: ECUProject forums, T7Suite, T7Tool, SaabOpenTech.

 

 
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