Throwing codes again! I had the TST on my 05 no problems, now on my 06 problems throwing low boost code at start up.You can erase it but it will come back on in no time. I could use some help on this one, am i missing something i dont care if it sounds dum i will check it out.THANKS

 

P0237-MAP SENSOR VOLTAGE TOO LOW
For a complete wiring diagram Refer to Section 8W.

down load the manual from hemitruckclub.com and youll find it

 

Thanks for the help.