SES Light Is On With DTCs P0171 and/or P0174 Set – 2012-2019 Buick Cadillac Chevrolet GMC

2019 Buick Enclave

NHTSA ID Number: 10160986 Manufacturer Communication Number: PIP5549A Summary This Preliminary information communicates a diagnostic trail to a likely conclusion for lean codes on these vehicles.   42 Affected Products Vehicles MAKE MODEL YEAR BUICK ENCLAVE 2012-2019 CADILLAC XTS 2015-2019 CHEVROLET COLORADO 2015-2016 CHEVROLET EQUINOX 2015-2017 CHEVROLET IMPALA 2015-2019 CHEVROLET TRAVERSE 2012-2019 GMC ACADIA 2012-2017 GMC CANYON … Read more

SES Light Due to a P0171 DTC – Reprogram PCM – 2004-2005 Buick Chevrolet GMC Oldsmobile

2005 Chevrolet Trailblazer

NHTSA ID Number: 10160997 Manufacturer Communication Number: PIP3330D Summary This Preliminary Information Document advises the dealer that there is a software update available for the Powertrain Control Module to address diagnostic trouble code P0171. If the software update does not correct the condition, the dociment directs the dealer to related technical servce bulletins that cover cleaning fuel … Read more

SES Light due to a P1174 DTC – Perform Injector Test with AFIT (CH47976) – 2006-2007 Chevrolet Pontiac Saturn

2007 Chevrolet Malibu

NHTSA ID Number: 10161013 Manufacturer Communication Number: PIP4017C Summary This prelimary information informs the dealer of a potential fuel injector concern that could set diagnostic trouble code P1174. The dealer is instructed to test the fuel injectors with the Active Fuel Injector testing tool to determine if the fuel injectors have failed.   8 Affected Products Vehicles … Read more