Info

Terminal Test Probe Information/Repair – 2005-2021 GM Passenger Cars & Trucks

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2017 Buick Regal

NHTSA ID Number: 10184131 Manufacturer Communication Number: PIT5074N   Summary This Preliminary Information communication provides information to the technician about the use of J-35616-64B terminal test probe, replacement terminals, and terminated leads. The J-35616-64B is the latest test probe released for checking tension or probing the .64 series terminals. The test probe terminal has been released in … Read more

Installation Of An Aftermarket Trailer Brake Controller In Lieu Of Factory Trailer Brake Controller – 2014-2018 Cadillac Chevrolet & GMC

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2018 Chevrolet Silverado

NHTSA ID Number: 10154301 Manufacturer Communication Number: PIT5282E   Summary This Preliminary Information communication provides information to the technician that a customer may request the factory Integrated Trailer Brake Control be bypassed and their aftermarket trailer brake controller be installed instead. Technician will need to gain access to the body harness.  Install trailer brake controller harness General … Read more

Guidelines When Changing Tire And Wheel Size – 2003-2020 General Motors Light Duty Trucks / Utilities / Vans

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2020 Chevrolet Suburban

NHTSA ID Number: 10184105 Manufacturer Communication Number: PIT3271K   Summary This Preliminary Information communication provides information to the technician about changing the tire and wheel size on vehicles. General Motors will only support a tire calibration for tires that have been sized, tested and designed for the vehicle in question and its applications. Technician should not use … Read more

Front Shock Terminal Removal – 2015-2016 Cadillac Chevrolet GMC

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2016 Chevrolet Suburban

NHTSA ID Number: 10083866 Manufacturer Communication Number: PIT5287B   Summary THIS PRELIMINARY INFORMATION COMMUNICATION ADVISES THE TECHNICIAN ON THE STEPS REQUIRED FOR THE FRONT SHOCK ABSORBER TERMINAL REMOVAL.     Condition/Concern Certain repairs to the front suspension require the removal of the front shock electrical connector terminals. Because the terminals are positioned deep into the connector body, … Read more

Information on Transmission Adaptive Functions and Correcting Low Mileage Harsh Shifts – 2015 Cadillac Chevrolet GMC

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2015 Chevrolet Corvette

NHTSA ID Number: 10138017 Manufacturer Communication Number: 14-07-30-001G   Summary This informational bulletin explains how to diagnosis and perform a transmission fast learn procedure to fix a harsh shift at low speeds. Shifts that feel too firm (harsh), slips or flares.   Low mileage vehicles equipped with the 8L90 automatic transmission with shifts that feel too firm … Read more