Intermittent No Crank, IP Gage Fluctuation, Intermittent Door Lock Cycling, Intermittent Chime Operation, Various IP Warning Lamps Illuminated, Transmission May Not Shift, Engine May Stall, Communication DTCs – 2007-2014 Cadillac Chevrolet GMC HUMMER

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2014 Chevrolet Silverado

NHTSA ID Number: 10113715 Manufacturer Communication Number: 08-07-30-021H   Summary This technical bulletin provides repair information to correct customer concerns of loss of high speed GMLAN communications, intermittent no crank, IP gauge fluctuation, intermittent door lock cycling /chime operation, various IP warning lamps illuminated, transmission may not shift, communication DTCs U0073, U0100, U0101, U0102, U0109, U0121 or … Read more

Vibration, Shudder or Roughness While Driving at Low Steady Speeds in V4 Mode – 2011 Cadillac Chevrolet & GMC

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2011 Chevrolet Silverado

NHTSA ID Number: 10113542 Manufacturer Communication Number: PI1413 Summary This preliminary informational bulletin provides a diagnostic tip that may be helpful in correcting a customer concern on a vibration, shudder or roughness while driving at low speeds with a steady throttle on a level road.   14 Affected Products Vehicles CADILLAC ESCALADE 2011 CADILLAC ESCALADE ESV 2011 … Read more

Tire Slowly Goes Flat, Tire Air Loss, Low Tire Pressure Warning Light Illuminated, Aluminum Wheel Bead Seat Corrosion (Clean and Resurface Wheel Bead Seat) – 2022 and Prior GM Passenger Cars and Light Duty Trucks

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2022 Chevrolet Camaro

NHTSA ID Number: 10205740 Manufacturer Communication Number: 080310006H   Summary This service bulletin provides a procedure on how to clean and resurface aluminum wheel bead seats for vehicles that have the condition of Tire Slowly Goes Flat, Tire Air Loss, Low Tire Pressure Warning Light Illuminated, Aluminum Wheel Bead Seat Corrosion.     1 Affected Product Vehicle … Read more

Rough Harsh Ride – 2015 Cadillac Chevrolet GMC

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2015 Cadillac Escalade

NHTSA ID Number: 10115005 Manufacturer Communication Number: PIT5429 Summary This Preliminary Information communication provides information to the technician the steps to diagnose and repair vehicles that have rough, harsh, or stiff ride. The concern is most noticeable between 35-55 mph on fairly smooth roads, when coming in contact with small road imperfections, or expansion joints. Technician will … Read more

15389 Torque Converter Clutch (TCC) Shudder – 2015 Cadillac Chevrolet GMC

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2015 Chevrolet Silverado

NHTSA ID Number: 10090012 Manufacturer Communication Number: 15389 Summary 15389 – SERVICE UPDATE. THIS BULLETIN PROVIDES A SERVICE PROCEDURE TO REPROGRAM THE TRANSMISSION CONTROL MODULE (TCM) ON CERTAIN 2015 MODEL YEAR CADILLAC ESCALADE, ESCALADE ESV, CHEVROLET SILVERADO, GMC SIERRA, YUKON DENALI AND YUKON DENALI XL VEHICLES EQUIPPED WITH AN 8L90 8-SPEED (M5U) TRANSMISSION AND 6.2L (L86) ENGINE. … Read more