some codes popped up

[tinman22]

P0125 and B2978
i'm thinking the B code has something to do with the alarm system since its related to the drivers door ajar current sensing

the P0125 having to do with the coolant being below the thermostats control range has me perplexed.... usually occurrs 5 or so minutes after the truck has been driven. possibly a bad sensor? its an 06 lbz if it matters

any ideas? :dontknow:

 

[McRat]

The water temp sensor is on the top front of the engine, so it's not too bad to get to. Could it be unplugged?

 

[tinman22]

I will take a look at that. I havent done anything under the hood since the up pipe install back in the beginning of july and this just started popping up in teh last 2 weeks. I will look into that for a start though.
thanks