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Hi All,

This is my first post, but have been lurking for quite a while. I have been searching the forum and unable to find the any information on the following.

After having the malfunction dash light pop on while driving, I had my mechanic read the code. His OBD scan generated the following result:

Total codes: 001
CODE001:
65-2 HO2S S2 HEATER CIRCUIT MALFUNCTION

So here is what I am looking to find out. As there is no "P" error code, can I safely assume that the issue is with the secondary 02 sensor (Sensor 2)? The reason why I ask, is in the repair manual, both are listed as H02S, and I just wanted to make sure the S2 in the OBD report is indeed the secondary sensor.

Thanks!!