Q: I have code p1603 and p0882 .last year i replaced the computer because a mechanic said so I had same codes

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p1603 p0882 code they came on when i was cycling the key on and off . and before that i hit a bump hard.last year i replaced the computer because of the same codes and a mechanic told me its bad.p1603 there are two possibility open fused ignition switch or bad pcm . how can i check the open circuit. the other think is i have to push the ignition switch to start the car . i replaced the ignition switch last year too. but still doing it . today i removed the ignition switch and tighten the pins by pushing the tabs down but still i have to push it to start the car

My car has 106000 miles.
My car has an automatic transmission.

Hi there. The code that kind of indicates the root source of your problem is the P1603 - which is a Chrysler specific OBD-II trouble code that indicates PCM internal dual - port RM communication failure. This code typically occurs when the PCM has not be correctly reprogrammed by a dealer. Before you attempt any repairs or continue trying to trace your issue, I would recommend having this done or starting from scratch and purchasing a replacement PCM or have a professional mechanic come to your location to complete an electrical inspection to determine if it’s an open circuit issue.

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