The diagnostic trouble code (DTC) P0700 in a 2005 Dodge Neon refers to a generic transmission-related issue. It's a code that serves as a general indicator that there's a problem with the transmission control system, and it's often accompanied by other more specific transmission-related trouble codes.
Please check the transmission fluid level and make sure you use the correct fluid, or the transmission will not work.
Fluid Types
Automatic Transmission Fluid Type .................... Mopar ATF+4 Automatic Transmission Fluid
Capacities
Automatic Transaxle
Estimated Service Fill .................... 4.0 Qt (3.8L)
Overhaul Fill Capacity w/Torque Converter Empty .................... 8.6 Qt (8.1L)
You could have a transmission control relay that has gone out, here is the location so you can check it out. Also check the fuses.
https://www.2carpros.com/articles/how-to-check-a-car-fuse
Check out the images (below). Let us know what happens and please upload pictures or videos of the problem so we can see what's going on.
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Monday, August 14th, 2023 AT 5:32 PM