Coolant Leak – 2007 Buick Lucerne

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2007 Buick Lucerne

NHTSA ID Number: 10161015 Manufacturer Communication Number: PIP4173A Summary This Preliminary information is to inform the dealer of a possible coolant leak from an engine expansion plug. The dealer is advised to seal and replace the core plug to correct the leak.   1 Affected Product Vehicle BUICK LUCERNE 2007     SEOCONTENT-START Bulletin No.: PIP4173A Published … Read more

Low Mileage Running Poorly With Rich Fuel Trims and/or Crank Case Overfull – 2016-2019 Buick Chevrolet GMC

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2019 Chevy Equinox

NHTSA ID Number: 10161014 Manufacturer Communication Number: PIP5647 Summary This Preliminary information communicates A vehicle may have a concern of running poor and stalling. No trouble codes may be set referencing this condition. Fuel trims around -20% may be observed on both banks. Engine oil level  will be found over full and have a  fuel odor. It … Read more

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

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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

2019 Cadillac XT4 9T50 Transmission And Stack Plate Heat Exchanger (Automatic Transmission Fluid Cooler Exchanger) Restriction

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2019 Cadillac XT4

NHTSA ID Number: 10163675 Manufacturer Communication Number: PIP5645B Summary This Preliminary information communicates that the transmission assembly, the torque converter assembly, and the Stack Plate Heat Exchanger (Automatic Transmission Fluid Cooler Exchanger) restriction has ended.   1 Affected Product Vehicle CADILLAC XT4 2019     SEOCONTENT-START Bulletin No.: PIP5645B Published date: 07/23/2019 Preliminary Information PIP5645B 2019 Cadillac XT4 9T50 … Read more

DRLs or Auto Headlights Will Not Disable with Headlamp Switch – 2003-2019 Cadillac Chevrolet GMC

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2019 Chevrolet Silverado

NHTSA ID Number: 10161011 Manufacturer Communication Number: PIT3219F Summary This Preliminary Information communicates to technicians that the Daytime Running Lamps (DRL’s) or the auto headlamps will not shut off when using the daytime running lamp disable switch (Which is part of the headlamp switch), if the vehicles was built for Canada (RPO Z49).   These vehicles were built with … Read more