Q: I replaced my SM module fuse box relay.Do I have to reprogram it

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I changed my Signal Activation sam module fuse box relay on my 2001 mercedes c240.The car wont start I need to know if i have to reprogram it

The SAM will need to be programmed in order to be able to communicate on the network of modules in the car. The dealer module scanner will be needed to do the programming or the module will not work correctly.

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