NHTSA ID Number: 10192040 Manufacturer Communication Number: 21NA075   Summary This technical bulletin provides repair information to correct a customer concern of a Front Door Upper Speaker Faint Hiss or Whistle Noise.     2 Affected Products Vehicles MAKE MODEL YEAR CADILLAC XT5 2021 CADILLAC XT6 2021   Condition Some customers may comment of a light hiss ... Read more

The post Front Door Upper Speaker Faint Hiss or Whistle Noise – 2021 Cadillac XT5 & XT6 first appeard on GM - OEMDTC and is written by oemdtc

NHTSA ID Number: 10145477 Manufacturer Communication Number: PIP5587 Summary This Preliminary information communicates A vehicle may come into the dealer with a lean running concern and/or air leak noise from the PCV.The air rush or whistlingnoise is caused by the fixed orifice PCV.There is not a correction for this noiseand should be considered to be normal.   ... Read more

The post Normal Engine Air Leak Whistle Noise From The PCV – 2019 Chevrolet Silverado & GMC Sierra 1500 first appeard on GM - OEMDTC and is written by oemdtc

NHTSA ID Number: 10151830 Manufacturer Communication Number: PIT5272B Summary This Preliminary Information communication provides information to the technician about vehicles that may have a whistle noise in the vehicle from the driver or passenger side. Technician will need to inspect for voids in the body sealer on the left or right side A-pillar. Technician should also inspect ... Read more

The post Whistle Noise From Inside Vehicle – 2014-2019 Cadillac, Chevrolet & GMC first appeard on GM - OEMDTC and is written by oemdtc