Normal Characteristic

Normal Characteristic – Wind Buffeting Noise With a Rear Window Down – 2010-2022 Chevrolet Equinox & GMC Terrain

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2020 Chevrolet Equinox

NHTSA ID Number: 10202396 Manufacturer Communication Number: PIT4916K   Summary This Preliminary Information communication provides information to the technician about vehicles that have may a helicopter type noise when a rear window is lowered. This is a normal characteristic of this vehicle, but the concern can be minimized by lowering a front door glass approximately 1 to … Read more

Tailgate Cable Slack – 1998-2021 Cadillac Chevrolet GMC

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2021 Chevrolet Silverado

NHTSA ID Number: 10193430 Manufacturer Communication Number: PIT3227Q   Summary This Preliminary Information communication provides information to the technician about vehicles that may have slack in one of the tailgate cables. Technician should not replace any parts for this concern. Please communicate to the customer this condition is a normal operating characteristic of their vehicle.     … Read more

HD Radio Signal Cuts In and Out, Skips, or Drops Out – 2013-2015 Buick Cadillac Chevrolet & GMC

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2015 Chevrolet Silverado

NHTSA ID Number: 10114387 Manufacturer Communication Number: PIC5854D   Summary This Preliminary Information communication provides information to the technician about vehicles that may have a the AM or FM audio volume changes, mutes, echoes, cuts in and out, repeats broadcast content, or skips intermittently. Advise this is normal operation when listening to a weak AM or FM … Read more

Inoperative Sub-Woofer – 2010-2015 Chevrolet Equinox & GMC Terrain

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2015 Chevrolet Equinox

NHTSA ID Number: 10070569 Manufacturer Communication Number: PIT4915D Summary Customers complain that their subwoofer is inoperative. Models with a 4 cylinder engine are equipped with an Active Noise Cancellation (ANC) system. ANC system works with the vehicle’s audio system to cancel out torque converter clutch (TCC) noise.     Condition/Concern Some customers with a 2.4L engine and … Read more

Information on Clicking/Ticking Sound/Noise Heard During Cold Start – 2008-2017 Buick Cadillac Chevrolet GMC Saturn

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2017 Chevrolet Camaro

NHTSA ID Number: 10116587 Manufacturer Communication Number: 07-06-04-025L   Summary This informational bulletin provides information on Clicking/Ticking Sound/Noise Heard During Cold Start and that this should be considered a normal characteristic.   Clicking/Ticking Sound/Noise Heard During Cold Start This is normal operation of the high pressure fuel pump and injectors. DO NOT replace the high pressure fuel … Read more