GMC TSB #PIP5088
2012 GMC Sierra
Affected Component: FUEL SYSTEM, DIESEL
- Summary
- This Preliminary Information communication advises the technician that 2013 6.6L Duramax Diesel Engine Regular Production Option Code (LGH and LML) part number 12638502 will be placed on a parts restriction through the General Motors Product Quality Center. Dealer will need to contact General Motors Product Quality Center for further assistance.