95 alarm problem pats

I have a 2007 ranger 4banger 5 speed I got it from a family member it starts rarely when it does the gauges will go on and off but still drives when it doesn’t I get a pats code 1:6 I’ve replaced the relay no dice I’ve got a new key no dice I need this thing to get on the road please someone has...

I've got a 1995 mazda b2300, i'm not sure if PATS was used in 95.. i don't think so. but about i was sitting in my truck, i turned the key off and then back on and the alarm wouldn't stop going off. i disconnected the battery and came back about 4 hours later and as soon as i reconnected the...