Diagnostic Tips

Fuel Odor During Fuel Filling or During Idle, Possible DTCs P0442 or P0455 – 2013-2015 Cadillac Chevrolet GMC

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2014 Chevrolet Tahoe

NHTSA ID Number: 10201107 Manufacturer Communication Number: 15-NA-019   Summary Fuel Odor During Fuel Filling or During Idle, Possible P0442 or P0455 DTC SET     15 Affected Products Vehicles MAKE MODEL YEAR CADILLAC ESCALADE 2013-2014 CHEVROLET AVALANCHE 2013 CHEVROLET SILVERADO 1500 2013-2015 CHEVROLET SUBURBAN 2013-2014 CHEVROLET TAHOE 2013-2014 GMC SIERRA 1500 2014-2015 GMC SIERRA DENALI 2013 … Read more

Rough Idle – 2013-2015 Cadillac

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2015 Cadillac ATS

NHTSA ID Number: 10127200 Manufacturer Communication Number: PIP5243A Summary This Preliminary Information communication advises the technician of a concern where the vehicle has a rough idle or idle shake. If there are no diagnostic trouble codes, misfires, or any other drivability concerns, replace both engine mounts with an updated design following published service information procedures.   3 … Read more

Rattle Noise From Rear Of Vehicle While Driving At Low Speeds – 2011-2016 Chevrolet Impala

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2016 Chevrolet Impala

NHTSA ID Number: 10127205 Manufacturer Communication Number: PIC5541C Summary This Preliminary Information communication provides information to the technician about a rattle coming from the rear of the vehicle when driving over medium sized bumps, it may sound like a loose spare tire or suspension component. The noise is most likely the left and right retaining clips holding … Read more

Clean Exhaust Filter See Owners Manual Now, Cleaning Exhaust Filter Keep Driving Until Message is Cleared or Diesel Partic Filter is Full Continue Driving Displayed on DIC, DTC P2463 May Be Set – 2007-2023 Chevrolet & GMC

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2018 Chevrolet Silverado

NHTSA ID Number: 10222773 Manufacturer Communication Number: 10-06-05-002K Summary This informational bulletin provides information on Clean Exhaust Filter See Owners Manual Now or Cleaning Exhaust Filter Keep Driving Until Message is Cleared messages Displayed on DIC, DTC P2463 May Be Set.   Depending on the Model, Model Year of the vehicle and the Diesel Engine, one of … Read more

EN-48974 – EGR Cooler Pressure Tester Adapter Set to Diagnose Duramax Diesel Engine EGR Cooler Engine Coolant Leaks into Combustion Chamber – 2002-2016 Chevrolet & GMC

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2016 Chevrolet Silverado 3500

NHTSA ID Number: 10201100 Manufacturer Communication Number: 08-06-04-003D   Summary New Tool Availability – EN-48974-EGR Cooler Pressure Tester Adapter Set to Diagnose Duramax Diesel Engine EGR Cooler Engine Coolant Leaks into Combustion Chamber     133 Affected Products Vehicles MAKE MODEL YEAR CHEVROLET C4500 2004-2009 CHEVROLET C5500 2004-2008 CHEVROLET EXPRESS 2006-2016 CHEVROLET SILVERADO 1500 2002-2016 CHEVROLET SILVERADO … Read more