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2000 GMC Jimmy-Service 4WD Liight On

 
check engine check engine
New User | Posts: 10 | Joined: 05/06
Posted: 05/12/06
11:02 PM

Trying to figure out what causes the "service 4wd light" to turn on about 4-5 minutes after startup and stay on till you restart. Other symptom is transfer case will shift once or twice right after startup but will not shift after that. Could it be transfer case shift motor? Is there a test or code I could get from the service light? Thanks.