008 DTC P1776 P1775 Solenoid switch valve stuck position L/R transmission A604 41TES 42RLE 62TE Dodge Jeep Chrysler, the transmission kicks or hits and protects itself.
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In this video:
0:00 Introduction
1:08 Context for fault code P1776 Solenoid switch valve latched in LR position
5:52 Reading the CVI clutch fill rates
7:41 Reading the diagnosis letter and procedure to follow
10:57 Tests with the Dodge, Jeep and Chrysler transmission simulator
Miller 8333
15:43 Disassembly of the transmission valve body A604, 41TE, 41TES, 62TE, 42RLE
17:04 Description of the failed valve body and the rebuilt valve body
19:34 Test with vacuum pump and Sonnax pressure gauge on failed valve body and rebuilt valve body
27:46 Valve body assembly and quick transmission learning
29:33 Street test to verify the repair
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This video resolves the fault that consists of the transmission hitting or kicking the gearbox when engaging in third gear, which is related to the solenoid switch valve, which is located in the valve body, this applies as a diagnosis and solution. the failure on vehicles such as Neon, Voyager, Gran Voyager, Stratus Caravan, Gran Caravan, Eclipse, Town Country, FCA group vehicles Dodge, Plymouth, Mitsubishi, Jeep and Chrysler
The first thing to do is read the fault codes, delete them and do a road test to recreate the fault and be sure of the generated code. It is observed that the problem is in the change from 3 to 4 speed with the converter. torque (TCC) the code is P1776 Solenoid switch valve latched in LR position, it is verified that the transmission is in Limp in or Limp mode protection mode, and the transmission does not make the changes, which can be confused with the transmission is skidding or sliding
Once the code is confirmed, go to the diagnostic letter in the Mitchel On Demand electronic manual and observe the steps to follow to solve the fault where it is necessary to check the resistance of the harness, the correct operation of the pressure switch of the low/reverse application. of the solenoid body, and indicates that the Miller 8333 transmission simulator must be used with the A604/41TE transmission mask.
The filling indexes of the applications (CVI) are read and these are within the parameters, the index of 2/4 is observed at zero, but it is because it is always applied.
Tests are carried out with the simulator of the range sensor (TR), speed sensors, the temperature sensor, the pressure switches, and the operation of the solenoids, and everything works well, this rules out a computer failure of the transmission.
The valve body is disassembled, showing how it is removed and reinstalled with the necessary care and torque, the valves are cleaned and lubricated to perform tests with the vacuum pump and the Sonnax manometer and compare the state of the valve. damaged body and a rebuilt body and explains the operation of the solenoid switch valve, which is causing the failure.
Once the valve body is assembled, the oil is filled and leveled and it is shown how to do the quick learning of the transmission, so that the computer can take the new values. Finally, a street test is carried out to verify that the repair has been successful, observing how the TCC is partially applied in 3 and completely in 4 speed, the overdrive test is carried out and the up and down changes are observed, observing that The transmission operation is now correct and the code is not generated.
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