I have a 2006 Dodge Charger with 23 codes-

some of them are repeated (0031,0037,0051,0057)-o2 sensor circuit too low.I
replaced all o2 sensor, but reading didn't change. Also, The transmission was
leaking fluid in mass amount, so I changed the fluid, gasket and filter (thinking I
had overfilled it, due to inability to check levels.) This helped for about a week,
then same thing- but went into limp mode. I looked under again, noticed the the
tranny module connector plug was seeping fluid as well. After reading of the
issue, I found this to be a common issue with this car. So, I replaced it, and all
seemed well. I heard a noise indicating vacuum leak, but husband said
sounded like the tranny-so, I put more fluid in it-AGAIN. Same issue-over
spillage/leaking of what appears to be all of the fluid it held.....how bad have I
messed this up?
The codes read include the 4 above, as well as
po657,c121,c121A,u0100,u0140e,c2202,p2137,p0710,p0717