Dodge Repair Questions? Ask a Mechanic for Answers ASAP
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Ok thanks. There are 3 possible causes for this problem. 1 a failing transfer case actuator motor, 2 a failing control module, and 3 a wiring problem between the switch and the module or between the transfer case actuator and module. Now since the service 4wd light is on, there is a diagnostic trouble code (s) in the module. Here's the thing - in order to read the trouble code, you will need a capable scan tool that can communicate with the transfer case module. Of course the dealer can check that for you, but some independent shops with the correct scan tool can also do that. But first, let's try resetting the module. Disconnect the negative battery cables for 5 minutes. Then reconnect them. Let me know if that gets it working again.
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