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blank error code

694 Views 6 Replies 2 Participants Last post by  mikecc
A couple weeks ago I bought a used 06 3500 5.9 mega, and today the check engine light came on. When I try to get an error code on the odometer it comes back blank. After the ----- it goes blank for a few seconds then says -done-. Any ideas?
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Generally if the "Check Engine Light" has come on there will be a code stored in the vehicle's computer and it will be stored until erased using a scan tool or the truck has completed a sufficient number of drive cycles without having seen the problem reoccur. In this case it has done a self test seen no fault and erases the code.

Do you have access to a OBDII Scan Tool?
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