Manufacturer Communications

Vehicles / Gmc / Sierra 1500 / 2021
Bulletin Number Vehicle Make Vehicle Model Model Year Summary
21NA032 GMC SIERRA 1500 2021 This technical bulletin provides repair information to correct a customer concern of DTC P0101 Mass Air Flow (MAF) Sensor Performance, P1682 Set after
PIT5793 GMC SIERRA 1500 2021
PIE0580A GMC SIERRA 1500 2021 This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed
19NA257 GMC SIERRA 1500 2021 This technical bulletin provides repair information to correct a customer concern of the pickup box being out of alignment.<br />
PIT5161H GMC SIERRA 1500 2021 This Preliminary Information communication provides information to the technician about vehicles that may have a bump feel or clunk noise at a stop or
PIP5764 GMC SIERRA 1500 2021 This Preliminary information communicates to the technician a possible cause of a P2B60 as terminal corrosiosn and provides a correction<br />
PIT5803 GMC SIERRA 1500 2021 This Preliminary information communicates to dealers there is a known condition with being able to set the Teen Driver PIN and that General Motors Eng
PIT5793A GMC SIERRA 1500 2021
PIP5793 GMC SIERRA 1500 2021
20NA221 GMC SIERRA 1500 2021 This technical bulletin provides repair information to correct a customer concern of Unable to Access Apps and Remote Personalization Features in the
20NA175 GMC SIERRA 1500 2021 This technical bulletin provides repair information to correct a customer concern of vertical misalignment between cab and pickup box on driver side o
PIP5788 GMC SIERRA 1500 2021
PIT5803A GMC SIERRA 1500 2021 This Preliminary information communicates to dealers there is a known condition with being able to set the Teen Driver PIN and that General Motors Eng
PIT5744A GMC SIERRA 1500 2021 This Preliminary information communicates information on how to disable the Side Blind Zone Detection and Park Assist systems when a customer removes
PIT5820 GMC SIERRA 1500 2021
PIT5819 GMC SIERRA 1500 2021
PIE0590 GMC SIERRA 1500 2021 This engineering information (EI) is requesting information from technicians to perform the check list provided and contact the engineer listed in reg
PIT5715A GMC SIERRA 1500 2021
PIP5798 GMC SIERRA 1500 2021
PIT5803 GMC SIERRA 1500 2021 This Preliminary information communicates to dealers there is a known condition with being able to set the Teen Driver PIN and that General Motors Eng
20NA221 GMC SIERRA 1500 2021 This technical bulletin provides repair information to correct a customer concern of Unable to Access Apps and Remote Personalization Features in the
PIT5793A GMC SIERRA 1500 2021
20NA175 GMC SIERRA 1500 2021 This technical bulletin provides repair information to correct a customer concern of vertical misalignment between cab and pickup box on driver side o
PIT5387J GMC SIERRA 1500 2021 This Preliminary Information communication provides information to the technician how to repair vehicles that Instrument Panel Cluster, Radio, and Hea
PIE0610 GMC SIERRA 1500 2021 This engineering information (EI) is requesting information from technicians to perform the check list provided and contact the engineer listed in reg
19NA257 GMC SIERRA 1500 2021 This technical bulletin provides repair information to correct a customer concern of the pickup box being out of alignment.<br />
N202324120 GMC SIERRA 1500 2021 Customer Satisfaction Program. On certain vehicles may experience brake function issues over time based on feedback received from the supplier concer
N212328090 GMC SIERRA 1500 2021 Customer Satisfaction Program. Certain 2021 model year Chevrolet Silverado 1500 and GMC Sierra 1500 vehicles, equipped with an 8 speed automatic trans
N232329330 GMC SIERRA 1500 2021 Customer Satisfaction Program. Certain vehicles may have a cargo tie down ring made incorrectly available for ordering at the time of vehicle purchase
PIE0615 GMC SIERRA 1500 2021 This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed
PIP5745 GMC SIERRA 1500 2021 This Preliminary information communicates to technicians a possible cause and correction for a P026A<br />
PIP5750A GMC SIERRA 1500 2021 This Preliminary information communicates the possibility of the having dtc p06DD P06DA P06DB due to engine wiring harness concerns.<br />
PIT5387H GMC SIERRA 1500 2021 This Preliminary Information communication provides information to the technician how to repair vehicles that Instrument Panel Cluster, Radio, and Hea
PIE0580 GMC SIERRA 1500 2021 This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed
PIT5734A GMC SIERRA 1500 2021 This Preliminary information communicates an issue with poor heater performance and advises dealerships to inspect the heater core inlet and outlet ho
PIT5736A GMC SIERRA 1500 2021 This Preliminary information communicates how the HVAC setting operates during a remote vehicle start.<br />

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