- March 10: GM Trucks Suffer Automatic Emergency Braking Incidents recalls | 55 days ago
- March 4: GM to Replace Engines in 2023 Colorado, Silverado 1500, GMC Sierra 1500 news | 61 days ago
- February 7: GM Power Tailgate Recall Involves Chevrolet and GMC Trucks recalls | 87 days ago
GMC TSB #PIP4792D
2009 GMC Yukon
TSB Document:
Affected Component: FUEL SYSTEM, GASOLINE
- Summary
- This Preliminary Information communication provides information to the technician about vehicles that have a an extended crank on cold start, brief rough running on cold start, black exhaust color, and/or Service Engine Soon Malfunction Indicator Lamp on. Technician may find a Diagnostic Trouble Code P0172 and or P0175. Technician will need to check the Fuel Alcohol Content parameter found in the Fuel Trim Data List of the scan tool and the measured ethanol content of a fuel sample using the J44175 tester. If the difference is 17% or greater, reprogram the Engine Control Module with the latest calibrations from TIS2web.
Click a tab for more information.