Sierra

Changing to Camper Outside Rearview Mirrors – 2014-2019 Chevrolet Silverado & GMC Sierra

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2019 GMC Sierra 2500

NHTSA ID Number: 10161970 Manufacturer Communication Number: PI1255G   Summary This preliminary informational bulletin contains recommendations of what needs to be done to swap/install camper outside rearview mirrors on a vehicle not originally equipped with them.     Condition/Concern Request to have camper style mirrors installed on their vehicle. The new electrical architecture for the Silverado and … Read more

Installation Of An Aftermarket Trailer Brake Controller In Lieu Of Factory Trailer Brake Controller – 2014-2018 Cadillac Chevrolet & GMC

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2018 Chevrolet Silverado

NHTSA ID Number: 10154301 Manufacturer Communication Number: PIT5282E   Summary This Preliminary Information communication provides information to the technician that a customer may request the factory Integrated Trailer Brake Control be bypassed and their aftermarket trailer brake controller be installed instead. Technician will need to gain access to the body harness.  Install trailer brake controller harness General … Read more

Vibration During Active Fuel Management V4 Mode Operation 1200 – 1400 Engine RPM – 2014-2015 Chevrolet Silverado & GMC Sierra

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2015 Chevrolet Silverado

NHTSA ID Number: 10115000 Manufacturer Communication Number: PIP5228B   Summary This Preliminary Information communication provides information to the technician about vehicles that have a vibration that is felt between 1200 ? 1400 engine revolutions per minute when in active fuel management V4 mode. Technician will need to use J?38792-A Electronic Vibration Analyzer 2 or CH?51450-NVH Pico Oscilloscope … Read more

Information on Vibration Analysis and Diagnostic – 2014-2019 Chevrolet Silverado & GMC Sierra

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2018 Chevrolet Silverado

NHTSA ID Number: 10154650 Manufacturer Communication Number: PI1354I   Summary This preliminary bulletin provides additional guidance for diagnosing vibrations or disturbances that may occur in either the seat or steering wheel on full size pickups at speeds of 56-72 km/h (35-45 mph) or 96-120 km/h (60-70 mph), vibrations caused by wheel and tire, axle components and/or propeller shafts and how to … Read more

OnStar XM GPS or Antenna Malfunction – May Set DTC B2462 B2470 Or B125C – Water Leak In Headliner Or Overhead Console – 2015 Cadillac Chevrolet GMC

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2015 Chevrolet Silverado

NHTSA ID Number: 10115066 Manufacturer Communication Number: PIT5362B   Summary This Preliminary Information communication provides information to the technician the steps to diagnose and repair vehicles with visible water leak or signs of water intrusion from the antenna base, red OnStar LED, unable to connect to OnStar, OnStar unable to locate the vehicle, OnStar has inaccurate global … Read more