Manufacturer Communications

Vehicles / Gmc / Sierra 2500 / 2020
Bulletin Number Vehicle Make Vehicle Model Model Year Summary
20NA163 GMC SIERRA 2500 2020 This technical bulletin provides repair information to correct a customer concern of Rearview Camera Displaying Narrow Guidelines and Zoomed Out/Fishe
PIE0603B GMC SIERRA 2500 2020 This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed
PIE0603A GMC SIERRA 2500 2020 This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed
PIE0603 GMC SIERRA 2500 2020 This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed
PIP5748C GMC SIERRA 2500 2020 This Preliminary information communicates to the technition instructions to replace the particulate matter sensor for a P1488 and to use the special l
PIP5770 GMC SIERRA 2500 2020 This Preliminary information communicates to the dealer technician to reprogram the transmission control module after any 10L1000 transmission repair.
PIT5747A GMC SIERRA 2500 2020 This Preliminary information communicates to dealership how to test properly trailer light option on the truck and also provide additional information
PIE0603B GMC SIERRA 2500 2020 This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed
PIE0603A GMC SIERRA 2500 2020 This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed
PIE0603 GMC SIERRA 2500 2020 This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed
PIE0583A GMC SIERRA 2500 2020 This engineering information (EI) is requesting information from technicians and to contact the engineers listed in regards to Transmission Performanc
PIE0573A GMC SIERRA 2500 2020 This engineering information (EI) is requesting information from technicians to perform the inspection and verify that the rear axle dampener (TVA) is
17NA374 GMC SIERRA 2500 2020 This informational bulletin advises the technician of how the Soot information has changed from grams to percentage.<br />
PIP5770 GMC SIERRA 2500 2020 This Preliminary information communicates to the dealer technician to reprogram the transmission control module after any 10L1000 transmission repair.
PIT5747A GMC SIERRA 2500 2020 This Preliminary information communicates to dealership how to test properly trailer light option on the truck and also provide additional information
20NA209 GMC SIERRA 2500 2020 This technical bulletin provides repair information to correct a customer concern of Service 4WD Message illuminated on Driver Information Center (DIC
PIP5728B GMC SIERRA 2500 2020 This Preliminary information communicates to the dealer an issue where a module configuration function is missing from GDS2 scan tool. Dealer is instr
N192282860 01 GMC SIERRA 2500 2020 Service Update (Population Expansion). Certain vehicles may have a condition where the transmission enters a neutral state when the internal range sen
PIT5756 GMC SIERRA 2500 2020 This Preliminary information communicates an issue with the underhood electrical center bolts being loose which can cause any of the following symptom
PIP4912G GMC SIERRA 2500 2020 This Preliminary Information communication provides information to the technician on vehicles that may have an intermittent high idle. If a technician
PIT3665J GMC SIERRA 2500 2020 This Preliminary Information communication advises the technician that the Hydro-Boost is not serviceable and will need to be replaced if the brake pe
PIP5742 GMC SIERRA 2500 2020 This Preliminary information communicates to the dealer technicians that a belt chirp or rubbing noise may be caused by the harmonic balancer out ring
PIP5655B GMC SIERRA 2500 2020
PIP5735 GMC SIERRA 2500 2020
PIP5748A GMC SIERRA 2500 2020 This Preliminary information communicates to the technition instructions to replace the particulate matter sensor for a P1488 and to use the special l
PIP5748 GMC SIERRA 2500 2020 This Preliminary information communicates to the technition instructions to replace the particulate matter sensor for a P1488 and to use the special l
20NA090 GMC SIERRA 2500 2020 This informational bulletin provides a way for the technician to identify if the ECM has been modified.<br />
20NA163 GMC SIERRA 2500 2020 This technical bulletin provides repair information to correct a customer concern of Rearview Camera Displaying Narrow Guidelines and Zoomed Out/Fishe
030601023D GMC SIERRA 2500 2020 This information bulletin explains how to measure for oil consumption and possible reasons for loss of oil.<br />
PIT4506E GMC SIERRA 2500 2020 This Preliminary Information communication provides information to the technician that some owners of Heavy Duty Trucks and Utilities may ask if they
PIP5717 GMC SIERRA 2500 2020
PIP5716 GMC SIERRA 2500 2020
N192266750 GMC SIERRA 2500 2020 N192266750 - Service Update. On certain vehicles that are equipped with a 6.6L diesel engine, may have one or more of the following conditions exist:
N192273400 GMC SIERRA 2500 2020 N192273400 - Service Update. Certain LD vehicles may have a condition in which the right-hand side, positive crankcase ventilation (PCV) tube may not
PIT5736 GMC SIERRA 2500 2020 This Preliminary information communicates how the HVAC setting operates during a remote vehicle start.<br />
PIP5711 GMC SIERRA 2500 2020
20NA176 GMC SIERRA 2500 2020 This technical bulletin provides a procedure to update the GPCM if found the cause of the customers concern.<br />
PIP5748B GMC SIERRA 2500 2020 This Preliminary information communicates to the technition instructions to replace the particulate matter sensor for a P1488 and to use the special l
N192282860 GMC SIERRA 2500 2020 Service Update - Certain vehicles may have a condition where the transmission enters a neutral state when the internal range sensor (IRS) fault is act
N202298330 GMC SIERRA 2500 2020 Customer Satisfaction Program - Certain 2020 Chevrolet Silverado HD and GMC Sierra HD vehicles were intended to include a high idle feature, (RPO UF3)
N202294960 GMC SIERRA 2500 2020 Customer Satisfaction Program - Vehicles may have been built with 3500 series single rear wheel leaf springs. In service, if a single leaf spring wer
PIE0560 GMC SIERRA 2500 2020 This engineering information (EI) is requesting information from technicians to perform the check list provided and contact the engineer listed in reg
PIP5706 GMC SIERRA 2500 2020 This Preliminary information communicates to the dealer a condition with the throttle body that may illuminate the service engine soon light, cause th
PIT5636A GMC SIERRA 2500 2020 This Preliminary information communicates an issues with a SES MIL and DTC P1005 and to replace the fuel pump driver control module with an updated pa
PIT5387G GMC SIERRA 2500 2020 This Preliminary Information communication provides information to the technician how to repair vehicles that Instrument Panel Cluster, Radio, and Hea
PIP5695 GMC SIERRA 2500 2020
PIP5690A GMC SIERRA 2500 2020
PIE0548 GMC SIERRA 2500 2020 This engineering informational bulletin is requesting information on a issue that is caused by loose ground connection at G110 or G114 that results in
PIP5664C GMC SIERRA 2500 2020 This Preliminary information communicates to the dealer technician to refer to Service Update N192266750.<br />
N192278640 GMC SIERRA 2500 2020 Service Update Bulletin - Certain 2020 model year Chevrolet Silverado and GMC Sierra vehicles equipped with a 2.7L Engine (RPO ENL), Engine Control Di
N192277930 GMC SIERRA 2500 2020 N192277930 - Service Update - Certain 2020 model year Chevrolet Silverado and GMC Sierra vehicles may, after several years of use, fracture at the yok
N192266750-01 GMC SIERRA 2500 2020 N192266750-01 - Service Update (Revised Warranty Information and Service Procedure). On certain vehicles that are equipped with a 6.6L diesel engine,
19NA216 GMC SIERRA 2500 2020 This technical bulletin provides the tech with a procedure to check the t-case for loose fasteners and to re-torque if the cause of the concern.<br />
PIP5655A GMC SIERRA 2500 2020
PIT5161G GMC SIERRA 2500 2020 This Preliminary Information communication provides information to the technician about vehicles that may have a bump feel or clunk noise at a stop or
PIT5544C GMC SIERRA 2500 2020
PIT5702A GMC SIERRA 2500 2020
PIT5657B GMC SIERRA 2500 2020 This Preliminary information communicates how to repair a loose shift cable bracket.<br />
PIP5664A GMC SIERRA 2500 2020
19NA187 GMC SIERRA 2500 2020 This bulletin provides additional information on how to graph a cylinder misfire and a possible diagnostic cause.<br />
19NA152 GMC SIERRA 2500 2020 This technical bulletin provides repair information to correct a customer concern of Static Crackling Noise Using Bluetooth Microphone.<br />
18NA361 GMC SIERRA 2500 2020 This technical bulletin provides a procedure to flush the cooler lines to validate if there is excessive debris in the fuel system caused by a failed
PIT5697 GMC SIERRA 2500 2020
PIP5656C GMC SIERRA 2500 2020 This Preliminary Information communication advises the technician that the 6.6L Engine (RPO L8T) has been placed on Engine Exchange program and cranks
PIP5664B GMC SIERRA 2500 2020 This Preliminary information communicates to the dealer technician to check for any new ECM calibration updates for DTCs P129F P16F3 P20EE P20FF P226D
PIT5711 GMC SIERRA 2500 2020 This Preliminary information communicates information for the dealer to reprogram the IPC to correct the Off-Road Mode not being able to be selected u
PIT5709 GMC SIERRA 2500 2020
PIT5707 GMC SIERRA 2500 2020 This Preliminary information communication provides information to the dealer about vehicles with the ABS light or Service Stability Message displayed
PIP5656B GMC SIERRA 2500 2020 This Preliminary Information communication advises the technician that the 6.6L Engine (RPO L8T) has been placed on Engine Exchange program and cranks
100310001E GMC SIERRA 2500 2020 This informational bulletin provides information on Wheel Balancer Mounting Instructions.<br />
PIP5656A GMC SIERRA 2500 2020 This Preliminary Information communication advises the technician that the 6.6L Engine (RPO L8T) has been placed on Engine Exchange program. Dealer wi
PIP5664 GMC SIERRA 2500 2020
16NA376 GMC SIERRA 2500 2020 This informational bulletin provides information on higher than expected oil consumption.<br />
18NA361 GMC SIERRA 2500 2020 This technical bulletin provides a procedure to flush the cooler lines to validate if there is excessive debris in the fuel system caused by a failed
PIP5663 GMC SIERRA 2500 2020

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