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sprinkles08
sprinkles08, ASE Certified Technician
Category: UK Car
Satisfied Customers: 21586
Experience:  ASE Master and Advanced level certified. Factory trained with 15 years dealership experience
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Chrysler 300c: We have a Chrysler 300C 3.5L 2006. Error Codes

Customer Question

We have a Chrysler 300C 3.5L 2006. Error Codes P0700 and U0100. We have also had other codes recently U2504 and U2500. Its causing the car to enter a limp mode for a moment and then will allow you to carry on
Submitted: 1 year ago.
Category: UK Car
Expert:  sprinkles08 replied 1 year ago.
Hello and welcome to Justanswer!
U2504 and 2500 don't show to be valid codes for this vehicle.
P0700 sets in the engine controller when there are codes set in the trans controller,U0100 sets in a module when it can't communicate with the powertrain control module. This can be a number of things depending on where it's setting. If you have a 42RLE trans and this was found in the TCM then the PCM will need to be replaced, if it was set in another module then you have a wiring or possibly a front control module issue.
What module is the U0100 setting in?

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