GMC Truck Buyers Guide

 

 

 

Crash Test Data for 2020 GMC

No crash test data exists.

 

Service Bulletins for 2020 GMC

2020 GMC ACADIA
Bulletin Number: 990089019R
This informational bulletin provides process information for the (GWM) and (WPC) parts return program.
2020 GMC CANYON
Bulletin Number: 16NA017
This informational bulletin provides information ticking noise and/or noise when turning vehicle off.
Bulletin Number: 17NA134
This informational bulletin explains how to check the NOx Catalyst Reductant-Load Adaptive Values using GSD2.
Bulletin Number: 990089019R
This informational bulletin provides process information for the (GWM) and (WPC) parts return program.
Bulletin Number: PIE0525
This engineering informational bulletin is requesting information on the 4WD will not engage when requested.
Bulletin Number: PIP5571A
This Preliminary information communicates a possible concern of two connectors being swapped during a repair causing a P0016 code to set.
Bulletin Number: PIT5705
This Preliminary information communicates a noise from the front end over bumps originating at the battery hold down retainer at inner fender.
2020 GMC SAVANA
Bulletin Number: 990089019R
This informational bulletin provides process information for the (GWM) and (WPC) parts return program.
2020 GMC SIERRA 1500
Bulletin Number: 000601012J
This informational bulletin advises about the possible issues that may occur when using a scotch brite pad or highly abrasive disk on gasket sealing surfaces or reused parts.
Bulletin Number: 050604022Q
This bulletin provides information on the TOP TIER Detergent Gasoline Licensed Brands and the TOP TIER Diesel Fuel Licensed Brands that are recommended for use in all GM vehicles and the TOP TIER FUELS website URL.
Bulletin Number: 060847001O
This bulletin explains the labor operation numbers used for submitting warranty claims for module reprogramming and not when replacing a module.
Bulletin Number: 100845001G
This bulletin provides information for electrical ground repairs using new General Motors replacement fasteners with conductive finish.
Bulletin Number: 1308116001E
The intent of this technical bulletin is to identify aftermarket ALDL or DLC interface devices as potential sources for causing multiple customer concerns that do not have other diagnostic methods to identify them.
Bulletin Number: 16NA222
This bulletin provides information on Engine Concerns that could result from lack of scheduled maintenance, improper service or aftermarket calibrations.
Bulletin Number: 18NA103
This Bulletin provides information to correct a customer concern of a siren or whine noise from the in-tank fuel pump at temperatures below -6C or 20F, accompanied by start and stall, no start, loss of power and MIL illuminated. Technicians
Bulletin Number: 990089019R
This informational bulletin provides process information for the (GWM) and (WPC) parts return program.
Bulletin Number: N192210560
Service Update Bulletin. Certain vehicles may have a condition where the vehicle does not accelerate or decelerate but maintains speed after releasing the accelerator pedal for up to approximately 65 seconds. If the customer applies the bra
Bulletin Number: PIP5637B
The Preliminary Information communication advises the technician that the Product Quality Center has a part exchange for 3.0 LM2 engine. The dealer technician is advised to call the GM Product Quality Center for further assistance
Bulletin Number: PIP5667
This Preliminary information communicates the part restriction for the diesel engine air delivery and exhaust system components
Bulletin Number: PIP5668
This Preliminary information communicates to the dealer technician the coolant control valve is on restriction.
Bulletin Number: PIP5669
This preliminary information communicates the part restriction for the diesel engine fuel system components
Bulletin Number: PIP5670
This preliminary information communicates the part restriction for the diesel turbocharger and EGR components
2020 GMC SIERRA 2500
Bulletin Number: 000601012J
This informational bulletin advises about the possible issues that may occur when using a scotch brite pad or highly abrasive disk on gasket sealing surfaces or reused parts.
Bulletin Number: 050604022Q
This bulletin provides information on the TOP TIER Detergent Gasoline Licensed Brands and the TOP TIER Diesel Fuel Licensed Brands that are recommended for use in all GM vehicles and the TOP TIER FUELS website URL.
Bulletin Number: 060847001O
This bulletin explains the labor operation numbers used for submitting warranty claims for module reprogramming and not when replacing a module.
Bulletin Number: 100845001G
This bulletin provides information for electrical ground repairs using new General Motors replacement fasteners with conductive finish.
Bulletin Number: 130232001F
This technical bulletin provides a procedure to flush and bleed power steering system to correct a power steering noise or fluid leak concern that is caused during extremely low temperatures.
Bulletin Number: 1308116001E
The intent of this technical bulletin is to identify aftermarket ALDL or DLC interface devices as potential sources for causing multiple customer concerns that do not have other diagnostic methods to identify them.
Bulletin Number: 16NA222
This bulletin provides information on Engine Concerns that could result from lack of scheduled maintenance, improper service or aftermarket calibrations.
Bulletin Number: 16NA376
This informational bulletin provides information on higher than expected oil consumption.
Bulletin Number: 17NA350
This informational bulletin provides explanation of a normal condition of a loose fitting ball receiver in the gooseneck.
Bulletin Number: 17NA374
This informational bulletin advises the technician of how the Soot information has changed from grams to percentage.
Bulletin Number: 18NA098
This informational bulletin provides information for the technicians on where to look on the Duramax engine for coolant leaks.
Bulletin Number: 18NA103
This Bulletin provides information to correct a customer concern of a siren or whine noise from the in-tank fuel pump at temperatures below -6C or 20F, accompanied by start and stall, no start, loss of power and MIL illuminated. Technicians
Bulletin Number: 18NA150
This informational bulletin provides information on 6.6L Duramax Possible Oil Leak Path Information.
Bulletin Number: 18NA361
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 part.
Bulletin Number: 19NA074
This informational bulletin provides information to clarify installation requirements when installing Accessory wheels on 2020 Chevrolet Silverado HD and 2020 GMC Sierra HD.
Bulletin Number: 19NA091
This New Model Features Bulletin provides General Information and other Topics to help the Service Personnel become familiar with features specific to the new Chevrolet Silverado and GMC Sierra 2500HD-3500HD pickup trucks.
Bulletin Number: 990089019R
This informational bulletin provides process information for the (GWM) and (WPC) parts return program.
Bulletin Number: PIP5655
This Preliminary information communicates to the dealer technician that the 10L1000 transmission have been place on a part restriction. Dealers are to contact the Product Quality Center before replacing the transmission assembly.
Bulletin Number: PIP5656
This Preliminary Information communication advises the technician that the 6.6L Engine (RPO L8T) has been placed on Engine Exchange program. Dealer will need to contact General Motors Product Quality Center for further assistance.
Bulletin Number: PIP5663
This Preliminary information communicates  AFM / DFM usage  Information. providing additional information on the AFM and DFM systems 
Bulletin Number: PIT5697
This Preliminary information communication  provides information to the technician on installing Regular Production Option Code UVC Rearview Camera. Technician will need to reference the latest version of General Motors Up-fitter Integratio
2020 GMC SIERRA 3500
Bulletin Number: 000601012J
This informational bulletin advises about the possible issues that may occur when using a scotch brite pad or highly abrasive disk on gasket sealing surfaces or reused parts.
Bulletin Number: 050604022Q
This bulletin provides information on the TOP TIER Detergent Gasoline Licensed Brands and the TOP TIER Diesel Fuel Licensed Brands that are recommended for use in all GM vehicles and the TOP TIER FUELS website URL.
Bulletin Number: 060847001O
This bulletin explains the labor operation numbers used for submitting warranty claims for module reprogramming and not when replacing a module.
Bulletin Number: 100845001G
This bulletin provides information for electrical ground repairs using new General Motors replacement fasteners with conductive finish.
Bulletin Number: 130232001F
This technical bulletin provides a procedure to flush and bleed power steering system to correct a power steering noise or fluid leak concern that is caused during extremely low temperatures.
Bulletin Number: 1308116001E
The intent of this technical bulletin is to identify aftermarket ALDL or DLC interface devices as potential sources for causing multiple customer concerns that do not have other diagnostic methods to identify them.
Bulletin Number: 17NA350
This informational bulletin provides explanation of a normal condition of a loose fitting ball receiver in the gooseneck.
Bulletin Number: 17NA374
This informational bulletin advises the technician of how the Soot information has changed from grams to percentage.
Bulletin Number: 18NA098
This informational bulletin provides information for the technicians on where to look on the Duramax engine for coolant leaks.
Bulletin Number: 18NA150
This informational bulletin provides information on 6.6L Duramax Possible Oil Leak Path Information.
Bulletin Number: 19NA074
This informational bulletin provides information to clarify installation requirements when installing Accessory wheels on 2020 Chevrolet Silverado HD and 2020 GMC Sierra HD.
Bulletin Number: 19NA091
This New Model Features Bulletin provides General Information and other Topics to help the Service Personnel become familiar with features specific to the new Chevrolet Silverado and GMC Sierra 2500HD-3500HD pickup trucks.
Bulletin Number: 990089019R
This informational bulletin provides process information for the (GWM) and (WPC) parts return program.
Bulletin Number: N192265570
N192265570 - Service Update. Certain vehicles may have misalignment between the transmission output shaft and the transfer case input. Transfer case to transmission misalignment could cause the transfer case shift collar to slip out of enga
Bulletin Number: PIP5655
This Preliminary information communicates to the dealer technician that the 10L1000 transmission have been place on a part restriction. Dealers are to contact the Product Quality Center before replacing the transmission assembly.
Bulletin Number: PIP5656
This Preliminary Information communication advises the technician that the 6.6L Engine (RPO L8T) has been placed on Engine Exchange program. Dealer will need to contact General Motors Product Quality Center for further assistance.
2020 GMC TERRAIN
Bulletin Number: 000601012J
This informational bulletin advises about the possible issues that may occur when using a scotch brite pad or highly abrasive disk on gasket sealing surfaces or reused parts.
Bulletin Number: 050604022Q
This bulletin provides information on the TOP TIER Detergent Gasoline Licensed Brands and the TOP TIER Diesel Fuel Licensed Brands that are recommended for use in all GM vehicles and the TOP TIER FUELS website URL.
Bulletin Number: 060847001O
This bulletin explains the labor operation numbers used for submitting warranty claims for module reprogramming and not when replacing a module.
Bulletin Number: 100845001G
This bulletin provides information for electrical ground repairs using new General Motors replacement fasteners with conductive finish.
Bulletin Number: 1308116001E
The intent of this technical bulletin is to identify aftermarket ALDL or DLC interface devices as potential sources for causing multiple customer concerns that do not have other diagnostic methods to identify them.
Bulletin Number: 16NA222
This bulletin provides information on Engine Concerns that could result from lack of scheduled maintenance, improper service or aftermarket calibrations.
Bulletin Number: 19NA172
This informational bulletin provides instruction on what may be the cause of the oil leak depending on location and which seal to use to fix it.
Bulletin Number: 990089019R
This informational bulletin provides process information for the (GWM) and (WPC) parts return program.
Bulletin Number: PIT4916H
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 mi
Bulletin Number: PIT5608C
This preliminary information explains a potential issue engineering is investigating into water intrusion into the door passthrough connector and effecting door functions. 
Bulletin Number: PIT5675B
This preliminary information is created to make the service technician aware of a condition where the ground for the steering module may not have a sufficient ground path. 
Bulletin Number: PIT5678A
This Preliminary information communicates an issue with the radiator lower mount that sounds as if it is coming from behind the front wheels.  
2020 GMC YUKON
Bulletin Number: 000601012J
This informational bulletin advises about the possible issues that may occur when using a scotch brite pad or highly abrasive disk on gasket sealing surfaces or reused parts.
Bulletin Number: 050604022Q
This bulletin provides information on the TOP TIER Detergent Gasoline Licensed Brands and the TOP TIER Diesel Fuel Licensed Brands that are recommended for use in all GM vehicles and the TOP TIER FUELS website URL.
Bulletin Number: 060847001O
This bulletin explains the labor operation numbers used for submitting warranty claims for module reprogramming and not when replacing a module.
Bulletin Number: 080730035D
This bulletin provides information on the harmful effects of water or ethylene glycol in transmission fluid.
Bulletin Number: 100845001G
This bulletin provides information for electrical ground repairs using new General Motors replacement fasteners with conductive finish.
Bulletin Number: 1308116001E
The intent of this technical bulletin is to identify aftermarket ALDL or DLC interface devices as potential sources for causing multiple customer concerns that do not have other diagnostic methods to identify them.
Bulletin Number: 16NA222
This bulletin provides information on Engine Concerns that could result from lack of scheduled maintenance, improper service or aftermarket calibrations.
Bulletin Number: 17NA267
This informational bulletin provides information for 22" accessory wheel/tire usages.
Bulletin Number: 19NA010
This informational bulletin provides information for dealers/technicians on Information on Head-Up Display (HUD) on Vehicles Model Year 2017 and Newer Has Rotational Feature that Allows for Adjusting of the Angle of the HUD Image.
Bulletin Number: 990089019R
This informational bulletin provides process information for the (GWM) and (WPC) parts return program.
2020 GMC YUKON XL
Bulletin Number: 000601012J
This informational bulletin advises about the possible issues that may occur when using a scotch brite pad or highly abrasive disk on gasket sealing surfaces or reused parts.
Bulletin Number: 050604022Q
This bulletin provides information on the TOP TIER Detergent Gasoline Licensed Brands and the TOP TIER Diesel Fuel Licensed Brands that are recommended for use in all GM vehicles and the TOP TIER FUELS website URL.
Bulletin Number: 060847001O
This bulletin explains the labor operation numbers used for submitting warranty claims for module reprogramming and not when replacing a module.
Bulletin Number: 080730035D
This bulletin provides information on the harmful effects of water or ethylene glycol in transmission fluid.
Bulletin Number: 100845001G
This bulletin provides information for electrical ground repairs using new General Motors replacement fasteners with conductive finish.
Bulletin Number: 1308116001E
The intent of this technical bulletin is to identify aftermarket ALDL or DLC interface devices as potential sources for causing multiple customer concerns that do not have other diagnostic methods to identify them.
Bulletin Number: 16NA222
This bulletin provides information on Engine Concerns that could result from lack of scheduled maintenance, improper service or aftermarket calibrations.
Bulletin Number: 17NA267
This informational bulletin provides information for 22" accessory wheel/tire usages.
Bulletin Number: 19NA010
This informational bulletin provides information for dealers/technicians on Information on Head-Up Display (HUD) on Vehicles Model Year 2017 and Newer Has Rotational Feature that Allows for Adjusting of the Angle of the HUD Image.
Bulletin Number: 990089019R
This informational bulletin provides process information for the (GWM) and (WPC) parts return program.
Bulletin Number: PIT5448E
This Preliminary Information communication advises the technician with a tip when the vehicle stops running after it has been idling for 2.5 hours. This is normal operation of the vehicle built with regular production code BTM and without R

 

Recalls for 2020 GMC

No recalls exist.