Low Oil Pump Pressure Due To Sticking Oil Pressure Relief Valve – 2007-2018 Buick Cadillac Chevrolet Hummer Pontiac Saab

2018 Chevrolet Corvette

NHTSA ID Number: 10164752 Manufacturer Communication Number: PIP4158H Summary This Preliminary Information communication provides information to the technician about vehicles that have low oil pressure, no oil pressure, and/or engine noise. Technician will need to replace the oil pump, flush the oil cooler lines.   159 Affected Products Vehicles MAKE MODEL YEAR BUICK ALLURE 2008-2009 BUICK LACROSSE … Read more

Unwanted Grade Braking, Low Power, and/or Transmission Busy Shifting / P057B, P057C, and/or P057D – 2012-2018 Cadillac Chevrolet GMC

2018 Cadillac Escalade

NHTSA ID Number: 10123219 Manufacturer Communication Number: PIT5206F Summary This Preliminary Information communication provides information to the technician with the steps on diagnosing and repairing vehicles that may have unwanted grade braking, reduced engine power with no Driver Information Center messages “ Brake Pedal Override Feature “, transmission busy or frequent shifting up or down, and Diagnostic … Read more

Reduced Acceleration at Low Speed and/or Transmission Slipping from a Launch, DTC P0751 – 2010-2019 Cadillac Chevrolet GMC

2019 Chevrolet Suburban

NHTSA ID Number: 10163902 Manufacturer Communication Number: PI1344C Summary This preliminary informational bulletin adds the 2016 model year to diagnostic tips and repair information to correct a customer concern of reduced acceleration at low speed and/or transmission slipping from a launch, DTC P0751 set.   151 Affected Products Vehicles MAKE MODEL YEAR CADILLAC ATS 2013-2015 CADILLAC CTS … Read more

Service 4WD Message DTC B2725 – 2007-2008 Chevrolet & GMC

2008 Chevrolet Silverado

NHTSA ID Number: 10114928 Manufacturer Communication Number: PIP4101B   Summary This Preliminary Information communication provides information to the technician about vehicles that have a Service 4WD light on and the system inoperative. Technician may find Diagnostic Trouble Code B2725 set. Technician will need to replace the transfer case dash switch.   15 Affected Products Vehicles MAKE MODEL … Read more

Normal Mode Powertrain Grade Braking Feature – 2013-2019 Cadillac Chevrolet GMC

2016 Chevrolet Silverado

NHTSA ID Number: 10162108 Manufacturer Communication Number: PIT5202E Summary This Preliminary Information communication provides information to the technician about vehicles that are equipped with 6L80 Regular Production Option Code (MYC), 6L90 Regular Production Option Code (MYD) or 8L90 Regular Production Option Code (M5U) Automatic Transmission, now have Powertrain Grade Braking. Powertrain grade braking assists when driving on … Read more