Shake and/or Shudder During Light Throttle Acceleration Between 40 and 128 KM/H (25 and 80 MPH) at a Steady State – 2015-2021 Cadillac Chevrolet GMC

2021 Chevrolet Colorado

NHTSA ID Number: 10205050 Manufacturer Communication Number: 19NA018   Summary This service bulletin provides a procedure to flush and drain fluids for the transmission to eliminate a shake and/or shudder during a light throttle acceleration between 40 and 128 KM/H (25 and 80 MPH) at a steady state.     3 Affected Products Vehicle MAKE MODEL YEAR … Read more

Slight Shudder Felt During Gear Shift at Slow Speeds Below 64 km/h (40 mp/h) with Light Throttle Application – 2018 Buick Enclave & Chevrolet Traverse

2018 Buick Enclave

NHTSA ID Number: 10198840 Manufacturer Communication Number: 18NA091   Summary This technical bulletin provides a procedure for software update and transmission flush to correct a slight shutter felt during gear shift.     2 Affected Products Vehicles MAKE MODEL YEAR BUICK ENCLAVE 2018 CHEVROLET TRAVERSE 2018   Condition Some customers may comment on a slight shudder felt … Read more

Shake and/or Shudder During Light Throttle Acceleration Between 25 and 80 MPH (40 and 128 KM/H) at Steady Speed – 2019 Chevrolet Silverado & GMC Sierra 1500

2019 Chevrolet Silverado 1500

NHTSA ID Number: 10163241 Manufacturer Communication Number: 19NA121 Summary This technical bulletin provides a procedure to perform a trans fluid flush to correct the customers concern.   2 Affected Products Vehicles MAKE MODEL YEAR CHEVROLET SILVERADO 1500 2019 GMC SIERRA 1500 2019   Parts Mobil 1 Synthetic LV ATF HP (US – 1 quart) 19417577 20 Mobil … Read more

Shake and/or Shudder During Light Throttle Acceleration Between 25 and 80 MPH (40 and 128 KM/H) at Steady Speed – 2015-2019 Cadillac Chevrolet GMC

2019 Chevrolet Corvette

NHTSA ID Number: 10163890 Manufacturer Communication Number: 18NA355 Summary This technical bulletin provides information for new transmission oil to use and a procedure for exchanging the old fluid and adding the new fluid to correct a shake/shudder during light throttle acceleration condition.   47 Affected Products Vehicles MAKE MODEL YEAR CADILLAC ATS 2016-2019 CADILLAC CT6 2016-2019 CADILLAC … Read more