Transmission Overfill – 2015-2016 Cadillac Chevrolet GMC

2015 Chevrolet Corvette

NHTSA ID Number: 10089882 Manufacturer Communication Number: 15667 Summary 15667 – SERVICE UPDATE. THIS BULLETIN PROVIDES A SERVICE PROCEDURE TO CHECK AND ADJUST TRANSMISSION FLUID LEVELS ON THE VEHICLES LISTED ABOVE. THESE VEHICLES MAY EXPEL EXTRA TRANSMISSION FLUID OUT OF A VENT FITTING AND HOSE ON THE TOP OF THE TRANSMISSION.   11 Affected Products Vehicles MAKE … Read more

15115 – Glow Plug Control Module Software – 2015 Chevrolet Silverado & GMC Sierra

2015 Chevrolet Silverado 3500

NHTSA ID Number: 10089827 Manufacturer Communication Number: 15115 Summary 15115 – SERVICE UPDATE. THIS BULLETIN PROVIDES A SERVICE PROCEDURE TO REPROGRAM AND UPDATE THE GLOW-PLUG CONTROL MODULE WITH NEW SOFTWARE ON CERTAIN 2015 MODEL YEAR CHEVROLET SILVERADO HD CREW, HD CREW LTZ, HD REGULAR, HD EXT, HD EXT LTZ VEHICLES EQUIPPED WITH A DURAMAX DIESEL ENGINE (RPO … Read more

Auxiliary Switches are Inoperative – 2015-2016 Chevrolet Silverado & GMC Sierra

2016 Chevrolet Silverado

NHTSA ID Number: 10089968 Manufacturer Communication Number: 15411 Summary 15411 – SERVICE UPDATE. THIS BULLETIN PROVIDES A SERVICE PROCEDURE TO INSTALL FUSES AND RELAYS AS REQUIRED IN THE UNDERHOOD ELECTRICAL CENTER (UEC) ON CERTAIN 2015 MODEL YEAR CHEVROLET SILVERADO AND GMC SIERRA VEHICLES EQUIPPED WITH AN ACCESSORY-WIRING-JUNCTION-BLOCK (RPO 9L7). THESE VEHICLES MAY HAVE MISSING FUSES AND RELAYS. … Read more

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

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

Auto-Leveling Rear Suspension Inoperative – 2015 Chevrolet & GMC

2015 Chevrolet Tahoe

NHTSA ID Number: 10090008 Manufacturer Communication Number: 15303   Summary 15303 – SERVICE UPDATE. THIS BULLETIN PROVIDES A SERVICE PROCEDURE FOR CERTAIN 2015 MODEL YEAR CHEVROLET TAHOE AND CHEVROLET SUBURBAN, GMC YUKON AND GMC YUKON XL 2WD VEHICLES EQUIPPED WITH AUTO LEVELLING REAR SUSPENSION (RPO Z85 AND AVF). THESE VEHICLES MAY HAVE AN AUTO-LEVELING FEATURE THAT IS … Read more