Chevrolet TSB #PIP5184
2012 Chevrolet Express
Affected Component: ELECTRICAL SYSTEM:SOFTWARE
- This Preliminary Information communication advises the technician that when replacing the camshaft part number 12626660. Technician will need to ensure that the date code and the finish of the camshaft. If the cam is discolored or has chatter marks, have parts department send the cam back as (MR code7) new defective.