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Im trying to connect to a 1995 S10 Blazer and it wont connect. What can I do?

April 26, 2017Blazer Connect s10

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Im trying to connect to a 1995 S10 Blazer and it wont connect. What can I do?

1 Answer

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The 1995 vehicles listed in the GM OBD II Enhanced tool all communicate with a different protocol. Because of this, the Generic Scan Tool can not be used to connect to these vehicles, only the GM OBDII Enhanced Scan Tool will work. Note: You must select the signal set A309 in the signal set screen for the scan tool to connect. It is also possible that the vehicle is OBD I. If the GM OBD II Enhanced Tool signal set A309 does not connect then try the GM OBD I scan tool. Vehicles anomalies that show bad data due to incorrect information being sent from the PCM: 1998 Chevrolet S10 Blazer 4.3 VIN W The fuel trim incorrectly shows data that is all over the board.