Chrysler Repair Questions? Ask a Mechanic for Answers ASAP
Welcome, I'm Chris (aka Moose) I'm an independent contractor here at Just Answer.
Do you have those code numbers that are stored?
The symptoms you mentioned for speedometer and communication are related. When the transaxle does not know the vehicle speed it will not change gears.
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0522 most often a is a oil sludge issue or a faulty oil pressure sensor.
1603 is a faulty PCM.
0101 I would need to know which module stored that communication code?
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Did you replace the PCM for the 1603 code?