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TRANSARTNC, ASE Certified Technician
Category: Chrysler
Satisfied Customers: 60
Experience:  Over 13 years of experience in automotive field. Transmission shop owner / Transmission rebuilder.
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I have a 2003 chrysler 300m specail with code p0700 and p1776

Customer Question

i have a 2003 chrysler 300m specail with code p0700 and p1776
Submitted: 8 years ago.
Category: Chrysler
Expert:  TRANSARTNC replied 8 years ago.
Hi, I need more info. How did the previous oil looked like (smel, clor,,,)? How did you check the transmission fluid level, with engine running and parking or neutral? Which exact sensor did you replace? What was the reason to replace the sensor. Whats the mileage on the car? Thank You
Customer: replied 8 years ago.
oil looked and no metal in pan replaced out put sensor for trans as thoght that would fix it
Customer: replied 8 years ago.
mileage on car is 155000km oil was tested with car in park
Expert:  TRANSARTNC replied 8 years ago.

Code P0700 - means that the engine control unit stored this code because the transmission control unit, caught some kind of a problem with your transmission. This code always pops yp on engine computer if transmission is faulty in any way.


Code P1776 - means that the pressure switch is stuck in neutral and low reverse. This is a part of the solenoid pack, which is serviced as an assembly.To replace this part you have to take an oil pan out, disconnect the shifter linkage, disconnect two connectors (one of them is located on the passenger side top of the transmission, the other on driver side, big square connectors). The valve body has to be removedand the solenoid pack must be replaced. At the same time as the valve body is removed , inspect the accumulator pistons and don't mix up the springs inside those pistons.


Note: One accumulator piston has a cover, you need to remove the snap ring in order to be able to access the piston.


Transmission oil must be checked with an engine running ant transmission in neutral. This is very important.


Hope it helps, but not sure if you are able to do it by yourself.

Customer: replied 8 years ago.
Expert:  TRANSARTNC replied 8 years ago.

By replacing the valve body, it is only about 30% that it will fix the problem as this specific code shows problems with solenoid pack but not valve body (as I described before). Your car has a lot of km on it, and usually at 155000k which is almost 100,000miles(here) the whole transmission is recommended to be rebuilt, as after 100k miles it starts giving various problems and showing symptoms. So in your case I think it would be better and cheaper to rebuild the transmission in a long run in order to avoid further problems.

Hope I answered your question.