Question about 2003 Dodge Neon
Code 700 is a generic code that means there is a problem with the transmission or the control module. Code 750 is for a problem with the low-reverse solenoid circuit.
The circuit and the trans control module would need to be checked. A shop manual will be necessary to get the testing procedures.
Posted on Jul 30, 2013
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Posted on Jan 02, 2017
i had the same thing with my neon.i replaced both input and output sensors and the ****** filter plus the dash consol.i also cleaned all my contacts on my plugs.none of that worked.i had a mechanic looked at it and he said i had a short in my harness,what a mess!one day i messed with the fuse pannel under the hood and decided to switch the relay on the atx with the horn and it ended up working.
Posted on Oct 02, 2011
see my comments, not 100% sure that it was the out put speed censor or not, but after reconnecting the wires to a new censor and reconnecting the battery and clearing codes it worked. connection was not clipped may have been loose
Posted on Oct 07, 2008
SOURCE: transmission faul code po700
(DTC) CODE # P0700....Transmission Control System (MIL Request)
Translation: Transmission Control Module (TCM) Malfunction or Failure.
P0700 Information Code
The Transaxle Control Module (TCM) monitors the malfunction of sensors and actuators relating to transaxle control. If any malfunction is detected, the TCM informs the PCM by sending a signal (P0700 code). P0700 means that a code has been set in the TCM.
This code is for information ONLY. If this code is present, check for transaxle codes.
So basically, the P0700 code is telling you to check the TCM for a transaxle DTC. The TCM can not turn on the check engine light so it has the PCM do it. It needs to be scanned with trans capable scanner to see what the trans code or problem is. You should have 1st, 2nd, and Reverse because the car is operating in limp-mode. Since you said the speedometer doesn't work, my guess would be a faulty (VSS) vehicle speed sensor.
Posted on Oct 13, 2008
P0320 - NO CRANK REFERENCE SIGNAL AT PCM
With the ignition ON.
No signal from the Crankshaft Position Sensor is present during engine cranking, and at least 3 Camshaft Position Sensor signals have occurred.
P0700 - EATX CONTROLLER DTC PRESENT
Ignition key ON, Continuously.
Any DTC sets in the Transmission Control Module.
Posted on Jun 04, 2009
SOURCE: 202 Neon stuck in first gear
This problem is associated with an error of P0700. The p0700 DTC in the PCM is just to refer you to check for DTC's in the TCM ( transmission control module ), since it is not emissions related you will have to see if your diagnostic tool can access the TCM. if not you'll likely have to go to a dealer. When the TCM registers a failure it goes into limp- in mode, if your car still functions it is not the output speed sensor, without knowing the DTC the input sensor is just a guess, it is a cheap sensor and fairly common to fail. This 1st gear stuck issue can also be related to Solenoid. This may have damaged the Cables. Thank you Sir, Have a nice Day.
Posted on Sep 18, 2009
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