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Hi All,

I'm hoping I can find some help. Last week I received my Scangauge II which I bought for my 2001 Chevrolet Silverado 2500 HD Diesel pickup.

Once I start the vehicle and drive, after about 10 minutes the message center on the instrument panel displays SECURITY and 3 seconds later cuts power to the OBD connector. Once I shut the engine and restart it I get SG data until 10 minutes or so has elapsed and the whole cycle starts over again...

This is very frustrating. I spoke with the SG manufacturers who said that I should try setting the PID transmission speed to SLOW. I did this but it didn't help.

I was wondering if anyone out there has experienced this problem and can offer a work-around or solution?

I would contact Scangauge again. They are very concerned about compatibility issues and will definitely attend to the issue.

Are you using any XGauges? have you tried resetting the SG?

Thanks.

I'll call back to Scanguage today and chat with their technical support staff again.

No, I haven't tried using the Xgauge feature for anything yet and have reset the unit to factory defaults without any luck.

Thanks though!