GMC TSB #PI1438
2014 GMC Sierra 2500
Affected Component: EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
- Summary
- This preliminary informational bulletin provides diagnostic tips for a customer concern of Malfunction Indicator Lamp (MIL) intermittently illuminated, and technicians finding DTCs P013B, P013D, P167E, P0171 or P0174 set.