Chevrolet Silverado Service Bulletins (2020)

2,121 manufacturer communications on file.

• February 28, 2020•Document ID: 10173393

  Service Bulletin/Repair Instructions
  EQUIPMENT ADAPTIVE/MOBILITY; EQUIPMENT; STRUCTURE:BODY

  Mfr Comm. #:

  19NA104

  Date Added:

  April 6, 2020

  Manufacturer:

  GMC

  Summary

  This informational bulletin provides information for dealers/technicians and customers on steam/vapor coming from the front grille or radiator area.

  Associated Products (275)

  2020 Buick Enclave2020 Buick Encore2020 Buick Envision2020 Buick Regal2020 Cadillac CT42020 Cadillac CT52020 Cadillac CT62020 Cadillac Escalade2020 Cadillac Escalade ESV2020 Cadillac XT42020 Cadillac XT52020 Cadillac XT62020 Chevrolet 35002020 Chevrolet 4500HD2020 Chevrolet 5500HD2020 Chevrolet Blazer2020 Chevrolet Bolt EV2020 Chevrolet Camaro2020 Chevrolet Colorado2020 Chevrolet Corvette+ 255 more
  Associated Documents

  • DownloadMC-10173393-0001.pdf↗
• February 28, 2020•Document ID: 10172815

  Service Bulletin/Repair Instructions
  EQUIPMENT

  Mfr Comm. #:

  20NA044

  Date Added:

  March 30, 2020

  Manufacturer:

  CHEVROLET

  Summary

  This technical bulletin provides repair information to correct a customer concern of endgate will not auto open or auto close after accessory tonneau cover installation, and/or poor fit of tonneau cover to endgate.

  Associated Products (4)

  2020 Chevrolet Silverado2020 GMC Sierra2019 Chevrolet Silverado2019 GMC Sierra
  Associated Documents

  • DownloadMC-10172815-0001.pdf↗
• February 28, 2020•Document ID: 10172339

  Service Bulletin/Repair Instructions
  ENGINE; VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM:HEATER CORE

  Mfr Comm. #:

  PIT5734

  Date Added:

  March 9, 2020

  Manufacturer:

  CHEVROLET

  Summary

  This Preliminary information communicates an issue with poor heater performance and advises dealerships to inspect the heater core inlet and outlet hoses for being twisted or kinked.

  Associated Products (2)

  2020 Chevrolet Silverado2020 GMC Sierra
  Associated Documents

  • DownloadMC-10172339-0001.pdf↗
• February 27, 2020•Document ID: 10173415

  Service Bulletin/Repair Instructions
  EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL

  Mfr Comm. #:

  040089015U

  Date Added:

  April 6, 2020

  Manufacturer:

  GMC

  Summary

  This bulletin provides information on Warranty Administration ? Required Operating Procedures - 8 Points (U.S. Only).

  Associated Products (246)

  2020 Buick Enclave2020 Buick Encore2020 Buick Envision2020 Buick Regal2020 Cadillac CT42020 Cadillac CT52020 Cadillac CT62020 Cadillac Escalade2020 Cadillac Escalade ESV2020 Cadillac XT42020 Cadillac XT52020 Cadillac XT62020 Chevrolet 35002020 Chevrolet 4500HD2020 Chevrolet 5500HD2020 Chevrolet Blazer2020 Chevrolet Bolt EV2020 Chevrolet Camaro2020 Chevrolet Colorado2020 Chevrolet Corvette+ 226 more
  Associated Documents

  • DownloadMC-10173415-0001.pdf↗
• February 26, 2020•Document ID: 10173414

  Service Bulletin/Repair Instructions
  EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; TIRES

  Mfr Comm. #:

  000310003Y

  Date Added:

  April 6, 2020

  Manufacturer:

  CHEVROLET

  Summary

  This warranty administration bulletin provides information on the tires supplied with a new vehicle are covered by General Motors against defects in material or workmanship under the Bumper-to-Bumper New Vehicle Limited Warranty.

  Associated Products (556)

  2020 Buick Enclave2020 Buick Encore2020 Buick Envision2020 Buick Regal2020 Cadillac CT42020 Cadillac CT52020 Cadillac CT62020 Cadillac Escalade2020 Cadillac Escalade ESV2020 Cadillac XT42020 Cadillac XT52020 Cadillac XT62020 Chevrolet 35002020 Chevrolet 4500HD2020 Chevrolet 5500HD2020 Chevrolet Blazer2020 Chevrolet Bolt EV2020 Chevrolet Camaro2020 Chevrolet Colorado2020 Chevrolet Corvette+ 536 more
  Associated Documents

  • DownloadMC-10173414-0001.pdf↗
• February 26, 2020•Document ID: 10172814

  Service Bulletin/Repair Instructions
  EQUIPMENT; ENGINE; EQUIPMENT ADAPTIVE/MOBILITY

  Mfr Comm. #:

  20NA043

  Date Added:

  March 30, 2020

  Manufacturer:

  CHEVROLET

  Summary

  This informational bulletin advises the technician to not replace the TMAP sensor, clean it using air or harsh chemicals but allow time for the sensor to thaw.

  Associated Products (8)

  2020 Chevrolet Silverado2020 GMC Sierra2019 Chevrolet Silverado2019 GMC Sierra2018 Chevrolet Silverado2018 GMC Sierra2017 Chevrolet Silverado2017 GMC Sierra
  Associated Documents

  • DownloadMC-10172814-0001.pdf↗
• February 26, 2020•Document ID: 10172813

  Service Bulletin/Repair Instructions
  LATCHES/LOCKS/LINKAGES:TAILGATE:LATCH; EQUIPMENT ADAPTIVE/MOBILITY

  Mfr Comm. #:

  20NA040

  Date Added:

  March 30, 2020

  Manufacturer:

  GMC

  Summary

  This technical bulletin provides repair information to correct a customer concern of the pickup box power endgate may not open on initial press, or may not open at all.

  Associated Products (4)

  2020 Chevrolet Silverado2020 GMC Sierra2019 Chevrolet Silverado2019 GMC Sierra
  Associated Documents

  • DownloadMC-10172813-0001.pdf↗
• February 26, 2020•Document ID: 10172811

  Service Bulletin/Repair Instructions
  FUEL SYSTEM, DIESEL; ENGINE

  Mfr Comm. #:

  20NA038

  Date Added:

  March 30, 2020

  Manufacturer:

  CHEVROLET

  Summary

  This informational bulletin explains the difference in AFM and DFM engines and what is and is not activated during this occurrence.

  Associated Products (78)

  2020 Cadillac CT62020 Cadillac Escalade2020 Cadillac Escalade ESV2020 Chevrolet 35002020 Chevrolet Camaro2020 Chevrolet Corvette2020 Chevrolet Express2020 Chevrolet Silverado2020 Chevrolet Suburban2020 Chevrolet Tahoe2020 GMC Savana2020 GMC Sierra2020 GMC Yukon2020 GMC Yukon XL2019 Cadillac CT62019 Cadillac CTS2019 Cadillac Escalade2019 Cadillac Escalade ESV2019 Chevrolet Camaro2019 Chevrolet Corvette+ 58 more
  Associated Documents

  • DownloadMC-10172811-0001.pdf↗
• February 26, 2020•Document ID: 10172335

  Service Bulletin/Repair Instructions
  FUEL SYSTEM, DIESEL; ENGINE

  Mfr Comm. #:

  PIP5670C

  Date Added:

  March 9, 2020

  Manufacturer:

  GMC

  Summary

  This preliminary information communicates the part restriction for the diesel turbocharger and EGR components. Updated to provide instruction on gathering additional data.

  Associated Products (2)

  2020 Chevrolet Silverado2020 GMC Sierra
  Associated Documents

  • DownloadMC-10172335-0001.pdf↗
• February 26, 2020•Document ID: 10172333

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM

  Mfr Comm. #:

  PIT5730A

  Date Added:

  March 9, 2020

  Manufacturer:

  CHEVROLET

  Summary

  This Preliminary information communicates repair information on Service Brake System, Reduced Engine Power, and Speed Limited messages on the DIC.  Along with these messages, a SES MIL will be on and the brake pedal may feel hard.  When checking for DTC's the Brake System Control Module (BSCM) with have set a P0606 and C0021. Dealers are to reprogram the BSCM with updated calibrations to correct the concern.

  Associated Products (2)

  2020 Chevrolet Silverado2020 GMC Sierra
  Associated Documents

  • DownloadMC-10172333-0001.pdf↗
• February 25, 2020•Document ID: 10173408

  Service Bulletin/Repair Instructions
  POWER TRAIN

  Mfr Comm. #:

  20NA019

  Date Added:

  April 6, 2020

  Manufacturer:

  GMC

  Summary

  This technical bulletin provides a procedure to replace the transmission shifter control if found the cause of the condition.

  Associated Products (4)

  2020 Chevrolet Silverado2020 GMC Sierra2019 Chevrolet Silverado2019 GMC Sierra
  Associated Documents

  • DownloadMC-10173408-0001.pdf↗
• February 24, 2020•Document ID: 10173404

  Service Bulletin/Repair Instructions
  EQUIPMENT ADAPTIVE/MOBILITY; EQUIPMENT; STEERING

  Mfr Comm. #:

  20NA006

  Date Added:

  April 6, 2020

  Manufacturer:

  GMC

  Summary

  This informational bulletin explains there is another steering hose that can be used for cold weather drivers that experience a steering hose leak.

  Associated Products (12)

  2020 Chevrolet Silverado2020 GMC Sierra2019 Chevrolet Silverado2019 GMC Sierra2018 Chevrolet Silverado2018 GMC Sierra2017 Chevrolet Silverado2017 GMC Sierra2016 Chevrolet Silverado2016 GMC Sierra2015 Chevrolet Silverado2015 GMC Sierra
  Associated Documents

  • DownloadMC-10173404-0001.pdf↗
• February 21, 2020•Document ID: 10172668

  Service Bulletin/Repair Instructions
  SERVICE BRAKES; ELECTRICAL SYSTEM

  Mfr Comm. #:

  N202294820

  Date Added:

  March 23, 2020

  Manufacturer:

  CADILLAC

  Summary

  Customer Satisfaction Program - The brake system control module software in these vehicles may contain an error. If (i) the vehicle is started remotely using the MyChevrolet, MyGMC, or MyCadillac mobile app or (ii) the driver enters the vehicle and waits five or more minutes before starting the vehicle using the ignition, this software error can, in rare cases, disable the vehicle?s electronic brake assist and illuminate the ESC, ABS and BRAKE telltales. This occurs at startup and the telltales are illuminated before the driver puts the vehicle into gear. Dealers will reprogram the brake system control module.

  Associated Products (6)

  2020 Cadillac XT52020 Cadillac XT62020 Chevrolet Blazer2020 Chevrolet Silverado2020 GMC Acadia2020 GMC Sierra
  Associated Documents

  • DownloadMC-10172668-0001.pdf↗
• February 21, 2020•Document ID: 10172329

  Service Bulletin/Repair Instructions
  FUEL SYSTEM, DIESEL

  Mfr Comm. #:

  PIP5667B

  Date Added:

  March 9, 2020

  Manufacturer:

  CHEVROLET

  Summary

  This Preliminary information communicates the part restriction for the diesel engine air delivery and exhaust system components

  Associated Products (2)

  2020 Chevrolet Silverado2020 GMC Sierra
  Associated Documents

  • DownloadMC-10172329-0001.pdf↗
• February 20, 2020•Document ID: 10172812

  Service Bulletin/Repair Instructions
  ENGINE AND ENGINE COOLING:EXHAUST SYSTEM

  Mfr Comm. #:

  20NA039

  Date Added:

  March 30, 2020

  Manufacturer:

  CHEVROLET

  Summary

  This technical bulletin provides a procedure to program the ECM and/or replace the exhaust particulate sensor to correct the DTC that set after the service update has been previously performed.

  Associated Products (2)

  2020 Chevrolet Silverado2020 GMC Sierra
  Associated Documents

  • DownloadMC-10172812-0001.pdf↗
• February 19, 2020•Document ID: 10172326

  Service Bulletin/Repair Instructions
  ENGINE; EQUIPMENT

  Mfr Comm. #:

  PIP5656D

  Date Added:

  March 9, 2020

  Manufacturer:

  CHEVROLET

  Summary

  This Preliminary Information communication advises the technician that the 6.6L Engine (RPO L8T) has been placed on Engine Exchange program and crankshaft has been placed on part ordering restriction. Dealer will need to contact General Motors Product Quality Center for further assistance.

  Associated Products (2)

  2020 Chevrolet Silverado2020 GMC Sierra
  Associated Documents

  • DownloadMC-10172326-0001.pdf↗
• February 17, 2020•Document ID: 10173420

  Service Bulletin/Repair Instructions
  SUSPENSION; EQUIPMENT

  Mfr Comm. #:

  PIE0541A

  Date Added:

  April 6, 2020

  Manufacturer:

  CHEVROLET

  Summary

  This engineering information (EI) is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to a vibration and/or banging noise heard from under the vehicle.

  Associated Products (4)

  2020 Chevrolet Silverado2020 GMC Sierra2019 Chevrolet Silverado2019 GMC Sierra
  Associated Documents

  • DownloadMC-10173420-0001.pdf↗
• February 17, 2020•Document ID: 10173388

  Service Bulletin/Repair Instructions
  STRUCTURE

  Mfr Comm. #:

  18NA383

  Date Added:

  April 6, 2020

  Manufacturer:

  GMC

  Summary

  This technical bulletin provides repair information to correct a customer concern of water found in rear interior of cab due to water leak at rear sliding window.

  Associated Products (4)

  2020 Chevrolet Silverado2020 GMC Sierra2019 Chevrolet Silverado2019 GMC Sierra
  Associated Documents

  • DownloadMC-10173388-0001.pdf↗
• February 14, 2020•Document ID: 10173418

  Service Bulletin/Repair Instructions
  EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; EQUIPMENT ADAPTIVE/MOBILITY

  Mfr Comm. #:

  150089005C

  Date Added:

  April 6, 2020

  Manufacturer:

  CHEVROLET

  Summary

  This Warranty Administration bulletin provides information on Essential Tools that include Consumable Parts (U.S. Only).

  Associated Products (246)

  2020 Buick Enclave2020 Buick Encore2020 Buick Envision2020 Buick Regal2020 Cadillac CT42020 Cadillac CT52020 Cadillac CT62020 Cadillac Escalade2020 Cadillac Escalade ESV2020 Cadillac XT42020 Cadillac XT52020 Cadillac XT62020 Chevrolet 35002020 Chevrolet 4500HD2020 Chevrolet 5500HD2020 Chevrolet Blazer2020 Chevrolet Bolt EV2020 Chevrolet Camaro2020 Chevrolet Colorado2020 Chevrolet Corvette+ 226 more
  Associated Documents

  • DownloadMC-10173418-0001.pdf↗
• February 14, 2020•Document ID: 10173417

  Service Bulletin/Repair Instructions
  EQUIPMENT; WHEELS

  Mfr Comm. #:

  050307009J

  Date Added:

  April 6, 2020

  Manufacturer:

  GMC

  Summary

  This informational bulletin provides information on Wheel Alignment Specifications, Requirements and Recommendations for GM Vehicles.

  Associated Products (236)

  2020 Buick Enclave2020 Buick Encore2020 Buick Envision2020 Buick Regal2020 Cadillac CT42020 Cadillac CT52020 Cadillac CT62020 Cadillac Escalade2020 Cadillac Escalade ESV2020 Cadillac XT42020 Cadillac XT52020 Cadillac XT62020 Chevrolet Blazer2020 Chevrolet Bolt EV2020 Chevrolet Camaro2020 Chevrolet Colorado2020 Chevrolet Corvette2020 Chevrolet Equinox2020 Chevrolet Express2020 Chevrolet Impala+ 216 more
  Associated Documents

  • DownloadMC-10173417-0001.pdf↗