How do I reset the message center on a 07 Grand Cherokee?
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1966 Crown Coupe, 2016 200 S AWD, 1962 Lark Daytona V8.
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The 'service 4WD' message may be trying to tell you that a fault code is stored in the electronic transfer case control module, Get the module scanned for codes. A standard engine code reader may not be able to read these codes.
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