*Help! 04 Atx Dodge Neon Es P0700*

so i changed my oil and oil filter, checked my spark plugs and decided to clean all the wires under the hood with crc electronic cleaner, i sprayed all the wire connections and blew them out dry with an air gun. i connected everything and drove then my car studdered and my Check engine light came on with the code p0700. My speedometer doesnt work any more and my fuel gauge goes up and down when accelerating? im thinking it might be a loose wire or fuse but i really dont know. i looked up the code and its P0700 Transmission Control System Malfunction which doesnt really help me much, any idea what couldve cause this and what i need to buy to fix it?
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I have a 2004 Dodge Neon and I have run into many different problems in the year that I have owned the car. Check engine lights( camshaft position sensor error code and P0700 as well with every different error code imaginable. Transmission problems that included slipping and hard to shift into reverse. Dash lights that intermittently flashed and then worked fine. I have replaced various things. with limited success. I finally noticed a pattern and without a doubt every time I got my engine wet usually while I was washing the car with the hood open and cleaning it with a water hose or spraying engine cleaner on it is when the problems would start. after the engine dries out the problems stop. All I had to do was sometimes clear the check engine light by disconnecting the battery cable.

I have a 2004 Dodge Neon and I have run into many different problems in the year that I have owned the car. Check engine lights( camshaft position sensor error code and P0700 as well with every different error code imaginable. Transmission problems that included slipping and hard to shift into reverse. Dash lights that intermittently flashed and then worked fine. I have replaced various things. with limited success. I finally noticed a pattern and without a doubt every time I got my engine wet usually while I was washing the car with the hood open and cleaning it with a water hose or spraying engine cleaner on it is when the problems would start. after the engine dries out the problems stop. All I had to do was sometimes clear the check engine light by disconnecting the battery cable. Hope this helps someone.

replace the vehicle speed sensors, input and output, just below the air box on the transmission

hey i have a neon looks like u know a lot about car so if u dont mind me asking u a bit
my sun roof i opens up a bit but then it sound like it gets stuck i pus it a bit and i wont do anything u know any way of fixing it or tips
and i just got the car of my bro he gave it to me for free is still runs good any tips on what to put on the car
is a dodge 1998 R/T