Silverado

Service Update 17419 Transmission Rough Upshifts – 2018 Chevrolet Silverado & GMC Sierra

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2018 Chevrolet Silverado

NHTSA ID Number: 10135135 Manufacturer Communication Number: 17419 (Bulletin Summary 17419-Service Update. Certain vehicles, equipped with 6.6L diesel engine (RPO L5P) and Allison transmission (RPO MW7), may have a condition in which the automatic transmission has rough upshifts. Dealers will reprogram the transmission control module (TCM).   2 Affected Products Vehicles MAKE MODEL YEAR CHEVROLET SILVERADO 2500 … Read more

Hybrid No Crank With Multiple Diagnostic Codes – 2008-2013 Cadillac Chevrolet GMC

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2013 Cadillac Escalade

NHTSA ID Number: 10154570 Manufacturer Communication Number: PIT4811C Summary This Preliminary Information communication provides the technician with the steps on how to diagnose vehicles with a no crank with multiple Diagnostic Trouble Codes set in several different modules with Regular Production Option Code HP2. Technician will retrieve all the Diagnostic Trouble Codes that are set current in … Read more

Customer Satisfaction 35460 – Intake Air Heater (IAH) Fires – 2015 Chevrolet Silverado & GMC Sierra

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2015 Chevrolet Silverado

NHTSA ID Number: 10090435 Manufacturer Communication Number: 35460 Summary 35460 – CUSTOMER SATISFACTION PROGRAM. SOME VEHICLES EQUIPPED WITH A DURAMAX DIESEL ENGINE (RPO LML) MAY HAVE A CONDITION IN WHICH THE INTAKE AIR HEATER’S FIELD-EFFECT TRANSISTOR COULD GENERATE EXCESSIVE HEAT IF THE SYSTEM VOLTAGE EXCEEDS 13.5V. THIS HEAT CAN CAUSE A SHORT CIRCUIT IN THE TRANSISTOR AND, … Read more

5th Wheel Or Camper Wiring Harness Location – 2015-2016 Chevrolet Silverado & GMC Sierra

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2016 Chevrolet Silverado

NHTSA ID Number: 10113903 Manufacturer Communication Number: PIT5273A Summary This Preliminary Information communication advises the technician vehicle equipped with Regular Production Option Code UY2 the location of the 5th wheel harness was relocated. Starting with the 2015 model year, the location has changed to the rear of the pickup box ? forward of the rear bumper and … Read more

Information on Transmission Harsh 1-2 Shift Upon First Start Up/Shift of the Day Under Light Throttle – 2015-2020 Cadillac Chevrolet GMC

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2017 Cadillac ATS

NHTSA ID Number: 10168176 Manufacturer Communication Number: 16NA361 Summary This informational bulletin explains possible normal condition of a flare from 1st to 2nd, even if the trans had been repaired for the flare and its still noticed.   100 Affected Products Vehicles MAKE MODEL YEAR CADILLAC ATS 2016-2019 CADILLAC CT4 2020 CADILLAC CT6 2016-2020 CADILLAC CTS 2016-2019 … Read more