Chevrolet Suburban Service Bulletins (2021)

1,367 manufacturer communications on file.

• December 2, 2020•Document ID: 10187613

  Service Bulletin/Repair Instructions
  AIR BAGS; ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING; EQUIPMENT; SEATS

  Mfr Comm. #:

  N202310850 01

  Date Added:

  March 1, 2021

  Manufacturer:

  GMC

  Summary

  Customer Satisfaction Program (Revised Correction, Service Procedure and Warranty Information). In certain vehicles, driver movement can disrupt the electrical connection to the seat-mounted inboard airbag system. This airbag system is supplemental and not required equipment under applicable Federal Motor Vehicle Safety Standards. If this occurs, the vehicle?s driver information center will display a ?Service Restraints System? message to the driver before resistance at the connection will prevent the deployment of the airbag. Dealers are to verify the DTC B14DC is present and replace the affected driver inboard side seat wiring harness connector assembly as necessary.

  Associated Products (5)

  2021 Cadillac Escalade ESV2021 Chevrolet Suburban2021 Chevrolet Tahoe2021 GMC Yukon2021 GMC Yukon XL
  Associated Documents

  • DownloadMC-10187613-0001.pdf↗
• December 2, 2020•Document ID: 10187341

  Service Bulletin/Repair Instructions
  AIR BAGS

  Mfr Comm. #:

  N202310850 01

  Date Added:

  February 22, 2021

  Manufacturer:

  CHEVROLET

  Summary

  Customer Satisfaction Program (Revised Correction, Service Procedure and Warranty Information). In certain vehicles, driver movement can disrupt the electrical connection to the seat-mounted inboard airbag system. This airbag system is supplemental and not required equipment under applicable Federal Motor Vehicle Safety Standards. If this occurs, the vehicle's driver information center will display a "Service Restraints System" message to the driver before resistance at the connection will prevent the deployment of the airbag. Dealers are to verify the DTC B14DC is present and replace the affected driver inboard side seat wiring harness connector assembly as necessary.

  Associated Products (5)

  2021 Cadillac Escalade ESV2021 Chevrolet Suburban2021 Chevrolet Tahoe2021 GMC Yukon2021 GMC Yukon XL
  Associated Documents

  • DownloadMC-10187341-0001.pdf↗
• December 2, 2020•Document ID: 10187209

  Service Bulletin/Repair Instructions
  EQUIPMENT; AIR BAGS; ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM

  Mfr Comm. #:

  N202310850 01

  Date Added:

  February 16, 2021

  Manufacturer:

  CADILLAC

  Summary

  Customer Satisfaction Program (Revised Correction, Service Procedure and Warranty Information). In certain vehicles, driver movement can disrupt the electrical connection to the seat-mounted inboard airbag system. This airbag system is supplemental and not required equipment under applicable Federal Motor Vehicle Safety Standards. If this occurs, the vehicle?s driver information center will display a ?Service Restraints System? message to the driver before resistance at the connection will prevent the deployment of the airbag. Dealers are to verify the DTC B14DC is present and replace the affected driver inboard side seat wiring harness connector assembly as necessary.

  Associated Products (5)

  2021 Cadillac Escalade ESV2021 Chevrolet Suburban2021 Chevrolet Tahoe2021 GMC Yukon2021 GMC Yukon XL
  Associated Documents

  • DownloadMC-10187209-0001.pdf↗
• December 2, 2020•Document ID: 10187160

  Service Bulletin/Repair Instructions
  POWER TRAIN

  Mfr Comm. #:

  PIT5776B

  Date Added:

  February 16, 2021

  Manufacturer:

  GMC

  Summary

  This Preliminary information communicates an issue with the power liftgate inoperative and engineering working on the issue.

  Associated Products (4)

  2021 Cadillac Escalade ESV2021 Chevrolet Suburban2021 Chevrolet Tahoe2021 GMC Yukon XL
  Associated Documents

  • DownloadMC-10187160-0001.pdf↗
• December 2, 2020•Document ID: 10187159

  Service Bulletin/Repair Instructions
  POWER TRAIN

  Mfr Comm. #:

  PIT5779B

  Date Added:

  February 16, 2021

  Manufacturer:

  CADILLAC

  Summary

  This Preliminary information communicates an issue with the 110 volt power outlets not resetting if overloaded and causing the customer to take the vehicle to the dealership to have it reset.  Engineering has released updated cals to correct this concern.

  Associated Products (4)

  2021 Cadillac Escalade ESV2021 Chevrolet Suburban2021 Chevrolet Tahoe2021 GMC Yukon XL
  Associated Documents

  • DownloadMC-10187159-0001.pdf↗
• December 2, 2020•Document ID: 10186047

  Service Bulletin/Repair Instructions
  EQUIPMENT ADAPTIVE/MOBILITY; AIR BAGS; EQUIPMENT

  Mfr Comm. #:

  N202310850 01

  Date Added:

  February 1, 2021

  Manufacturer:

  CHEVROLET

  Summary

  Customer Satisfaction Program (Revised Correction, Service Procedure and Warranty Information). In certain vehicles, driver movement can disrupt the electrical connection to the seat-mounted inboard airbag system. This airbag system is supplemental and not required equipment under applicable Federal Motor Vehicle Safety Standards. If this occurs, the vehicle?s driver information center will display a ?Service Restraints System? message to the driver before resistance at the connection will prevent the deployment of the airbag. Dealers are to verify the DTC B14DC is present and replace the affected driver inboard side seat wiring harness connector assembly as necessary.

  Associated Products (5)

  2021 Cadillac Escalade ESV2021 Chevrolet Suburban2021 Chevrolet Tahoe2021 GMC Yukon2021 GMC Yukon XL
  Associated Documents

  • DownloadMC-10186047-0001.pdf↗
• December 2, 2020•Document ID: 10185709

  Service Bulletin/Repair Instructions
  POWER TRAIN

  Mfr Comm. #:

  PIT5776B

  Date Added:

  January 25, 2021

  Manufacturer:

  CHEVROLET

  Summary

  This Preliminary information communicates an issue with the power liftgate inoperative and engineering working on the issue.

  Associated Products (4)

  2021 Cadillac Escalade ESV2021 Chevrolet Suburban2021 Chevrolet Tahoe2021 GMC Yukon XL
  Associated Documents

  • DownloadMC-10185709-0001.pdf↗
• December 2, 2020•Document ID: 10185708

  Service Bulletin/Repair Instructions
  POWER TRAIN

  Mfr Comm. #:

  PIT5779B

  Date Added:

  January 25, 2021

  Manufacturer:

  GMC

  Summary

  This Preliminary information communicates an issue with the 110 volt power outlets not resetting if overloaded and causing the customer to take the vehicle to the dealership to have it reset.  Engineering has released updated cals to correct this concern.

  Associated Products (4)

  2021 Cadillac Escalade ESV2021 Chevrolet Suburban2021 Chevrolet Tahoe2021 GMC Yukon XL
  Associated Documents

  • DownloadMC-10185708-0001.pdf↗
• December 1, 2020•Document ID: 10187626

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

  Mfr Comm. #:

  040089015V

  Date Added:

  March 1, 2021

  Manufacturer:

  CHEVROLET

  Summary

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

  Associated Products (30)

  2021 Buick Enclave2021 Buick Encore2021 Buick Encore GX2021 Buick Envision2021 Cadillac CT42021 Cadillac CT52021 Cadillac Escalade ESV2021 Cadillac XT42021 Cadillac XT52021 Cadillac XT62021 Chevrolet Blazer2021 Chevrolet Bolt EV2021 Chevrolet Camaro2021 Chevrolet Colorado2021 Chevrolet Corvette2021 Chevrolet Equinox2021 Chevrolet Express2021 Chevrolet Malibu2021 Chevrolet Spark2021 Chevrolet Suburban+ 10 more
  Associated Documents

  • DownloadMC-10187626-0001.pdf↗
• December 1, 2020•Document ID: 10187611

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM; AIR BAGS; EQUIPMENT; SEATS

  Mfr Comm. #:

  N202310850

  Date Added:

  March 1, 2021

  Manufacturer:

  CADILLAC

  Summary

  Customer Satisfaction Program. In certain vehicles, driver movement can disrupt the electrical connection to the seat-mounted inboard airbag system. This airbag system is supplemental and not required equipment under applicable Federal Motor Vehicle Safety Standards. If this occurs, the vehicle?s driver information center will display a ?Service Restraints System? message to the driver before resistance at the connection will prevent the deployment of the airbag. Dealers are to verify the DTC B14DC is present and replace the affected driver inboard side seat wiring harness connector assembly as necessary.

  Associated Products (5)

  2021 Cadillac Escalade ESV2021 Chevrolet Suburban2021 Chevrolet Tahoe2021 GMC Yukon2021 GMC Yukon XL
  Associated Documents

  • DownloadMC-10187611-0001.pdf↗
• December 1, 2020•Document ID: 10187372

  Service Bulletin/Repair Instructions
  POWER TRAIN

  Mfr Comm. #:

  16NA019

  Date Added:

  February 22, 2021

  Manufacturer:

  GMC

  Summary

  This informational bulletin provides information on Transmission Adaptive Functions and Correcting Low Mileage Harsh Shifts, Slips, or Flares.

  Associated Products (25)

  2021 Cadillac CT42021 Cadillac CT52021 Cadillac Escalade ESV2021 Cadillac XT42021 Cadillac XT52021 Cadillac XT62021 Chevrolet Blazer2021 Chevrolet Bolt EV2021 Chevrolet Camaro2021 Chevrolet Colorado2021 Chevrolet Equinox2021 Chevrolet Express2021 Chevrolet Malibu2021 Chevrolet Spark2021 Chevrolet Suburban2021 Chevrolet Tahoe2021 Chevrolet Trailblazer2021 Chevrolet Traverse2021 Chevrolet Trax2021 GMC Acadia+ 5 more
  Associated Documents

  • DownloadMC-10187372-0001.pdf↗
• December 1, 2020•Document ID: 10187339

  Service Bulletin/Repair Instructions
  AIR BAGS

  Mfr Comm. #:

  N202310850

  Date Added:

  February 22, 2021

  Manufacturer:

  GMC

  Summary

  Customer Satisfaction Program. In certain vehicles, driver movement can disrupt the electrical connection to the seat-mounted inboard airbag system. This airbag system is supplemental and not required equipment under applicable Federal Motor Vehicle Safety Standards. If this occurs, the vehicle?s driver information center will display a ?Service Restraints System? message to the driver before resistance at the connection will prevent the deployment of the airbag. Dealers are to verify the DTC B14DC is present and replace the affected driver inboard side seat wiring harness connector assembly as necessary.

  Associated Products (5)

  2021 Cadillac Escalade ESV2021 Chevrolet Suburban2021 Chevrolet Tahoe2021 GMC Yukon2021 GMC Yukon XL
  Associated Documents

  • DownloadMC-10187339-0001.pdf↗
• December 1, 2020•Document ID: 10187207

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM; AIR BAGS; EQUIPMENT; ENGINE AND ENGINE COOLING

  Mfr Comm. #:

  N202310850

  Date Added:

  February 16, 2021

  Manufacturer:

  CADILLAC

  Summary

  Customer Satisfaction Program. In certain vehicles, driver movement can disrupt the electrical connection to the seat-mounted inboard airbag system. This airbag system is supplemental and not required equipment under applicable Federal Motor Vehicle Safety Standards. If this occurs, the vehicle?s driver information center will display a ?Service Restraints System? message to the driver before resistance at the connection will prevent the deployment of the airbag. Dealers are to verify the DTC B14DC is present and replace the affected driver inboard side seat wiring harness connector assembly as necessary.

  Associated Products (5)

  2021 Cadillac Escalade ESV2021 Chevrolet Suburban2021 Chevrolet Tahoe2021 GMC Yukon2021 GMC Yukon XL
  Associated Documents

  • DownloadMC-10187207-0001.pdf↗
• December 1, 2020•Document ID: 10187157

  Service Bulletin/Repair Instructions
  POWER TRAIN

  Mfr Comm. #:

  PIT5787A

  Date Added:

  February 16, 2021

  Manufacturer:

  CHEVROLET

  Summary

  This Preliminary information communicates an issue with the 110 volt power outlets turning off during an Auto Stop event, which is normal operation.

  Associated Products (4)

  2021 Cadillac Escalade ESV2021 Chevrolet Suburban2021 Chevrolet Tahoe2021 GMC Yukon XL
  Associated Documents

  • DownloadMC-10187157-0001.pdf↗
• December 1, 2020•Document ID: 10186105

  Service Bulletin/Repair Instructions
  EQUIPMENT

  Mfr Comm. #:

  040089015V

  Date Added:

  February 1, 2021

  Manufacturer:

  GMC

  Summary

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

  Associated Products (30)

  2021 Buick Enclave2021 Buick Encore2021 Buick Encore GX2021 Buick Envision2021 Cadillac CT42021 Cadillac CT52021 Cadillac Escalade ESV2021 Cadillac XT42021 Cadillac XT52021 Cadillac XT62021 Chevrolet Blazer2021 Chevrolet Bolt EV2021 Chevrolet Camaro2021 Chevrolet Colorado2021 Chevrolet Corvette2021 Chevrolet Equinox2021 Chevrolet Express2021 Chevrolet Malibu2021 Chevrolet Spark2021 Chevrolet Suburban+ 10 more
  Associated Documents

  • DownloadMC-10186105-0001.pdf↗
• December 1, 2020•Document ID: 10186058

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM:SOFTWARE; POWER TRAIN

  Mfr Comm. #:

  16NA019

  Date Added:

  February 1, 2021

  Manufacturer:

  GMC

  Summary

  This informational bulletin provides information on Transmission Adaptive Functions and Correcting Low Mileage Harsh Shifts, Slips, or Flares.

  Associated Products (24)

  2021 Cadillac CT42021 Cadillac CT52021 Cadillac Escalade ESV2021 Cadillac XT42021 Cadillac XT52021 Cadillac XT62021 Chevrolet Blazer2021 Chevrolet Bolt EV2021 Chevrolet Camaro2021 Chevrolet Colorado2021 Chevrolet Equinox2021 Chevrolet Express2021 Chevrolet Malibu2021 Chevrolet Suburban2021 Chevrolet Tahoe2021 Chevrolet Trailblazer2021 Chevrolet Traverse2021 Chevrolet Trax2021 GMC Acadia2021 GMC Canyon+ 4 more
  Associated Documents

  • DownloadMC-10186058-0001.pdf↗
• December 1, 2020•Document ID: 10186045

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM; AIR BAGS; EQUIPMENT

  Mfr Comm. #:

  N202310850

  Date Added:

  February 1, 2021

  Manufacturer:

  CHEVROLET

  Summary

  Customer Satisfaction Program. In certain vehicles, driver movement can disrupt the electrical connection to the seat-mounted inboard airbag system. This airbag system is supplemental and not required equipment under applicable Federal Motor Vehicle Safety Standards. If this occurs, the vehicle?s driver information center will display a ?Service Restraints System? message to the driver before resistance at the connection will prevent the deployment of the airbag. Dealers are to verify the DTC B14DC is present and replace the affected driver inboard side seat wiring harness connector assembly as necessary.

  Associated Products (5)

  2021 Cadillac Escalade ESV2021 Chevrolet Suburban2021 Chevrolet Tahoe2021 GMC Yukon2021 GMC Yukon XL
  Associated Documents

  • DownloadMC-10186045-0001.pdf↗
• December 1, 2020•Document ID: 10185706

  Service Bulletin/Repair Instructions
  POWER TRAIN

  Mfr Comm. #:

  PIT5787A

  Date Added:

  January 25, 2021

  Manufacturer:

  CHEVROLET

  Summary

  This Preliminary information communicates an issue with the 110 volt power outlets turning off during an Auto Stop event, which is normal operation.

  Associated Products (4)

  2021 Cadillac Escalade ESV2021 Chevrolet Suburban2021 Chevrolet Tahoe2021 GMC Yukon XL
  Associated Documents

  • DownloadMC-10185706-0001.pdf↗
• November 30, 2020•Document ID: 10184518

  Service Bulletin/Repair Instructions
  AIR BAGS

  Mfr Comm. #:

  PIE0599A

  Date Added:

  December 21, 2020

  Manufacturer:

  CHEVROLET

  Summary

  This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to the airbag lamp illuminated on the driver?s information center (DIC).

  Associated Products (4)

  2021 Chevrolet Suburban2021 Chevrolet Tahoe2021 GMC Yukon2021 GMC Yukon XL
  Associated Documents

  • DownloadMC-10184518-0001.pdf↗
• November 30, 2020•Document ID: 10184143

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

  Mfr Comm. #:

  PIT5801

  Date Added:

  December 14, 2020

  Manufacturer:

  CHEVROLET

  Summary

  This Preliminary information communicates an issue with how to properly inspect and ensure the air lines for the air suspension system are fully seated.

  Associated Products (3)

  2021 Chevrolet Suburban2021 Chevrolet Tahoe2021 GMC Yukon XL
  Associated Documents

  • DownloadMC-10184143-0001.pdf↗