GMC TSB #PI1214A
2010 GMC Sierra 1500
Affected Component: ENGINE AND ENGINE COOLING
- Summary
- The purpose of this document is to provide the Service Personnel with a guide to determine which Service Information documents and scan tool parameters to reference when encountering an: Exhaust Fluid Quality Poor Message Displayed, and a Reductant Fluid Quality Test Status that will Pass, Time Out, Fail or Interrupt and other DEF Messages that may be observed.