GMC Savana Service Bulletins (2020)

711 manufacturer communications on file.

• September 11, 2020•Document ID: 10181136

  Service Bulletin/Repair Instructions
  POWER TRAIN:AUTOMATIC TRANSMISSION

  Mfr Comm. #:

  PIP5722A

  Date Added:

  October 19, 2020

  Manufacturer:

  CHEVROLET

  Summary

  This Preliminary information communicates to the dealer technician diagnostic tips to aid in finding root case of P0708 setting  on vehicles equipped with 8L45, 8L90, 10L60, 10L80 and 10L90 transmissions.

  Associated Products (10)

  2020 Cadillac CT42020 Cadillac Escalade2020 Chevrolet Camaro2020 Chevrolet Express2020 Chevrolet Silverado2020 Chevrolet Suburban2020 Chevrolet Tahoe2020 GMC Savana2020 GMC Sierra2020 GMC Yukon
  Associated Documents

  • DownloadMC-10181136-0001.pdf↗
• September 9, 2020•Document ID: 10181674

  Service Bulletin/Repair Instructions
  EQUIPMENT

  Mfr Comm. #:

  18NA253

  Date Added:

  October 26, 2020

  Manufacturer:

  CHEVROLET

  Summary

  This technical bulletin advised the technician to take the vehicle for a test drive to validate a possible normal TCC performance while under heavy specific driving maneuvers.

  Associated Products (18)

  2020 Chevrolet Express2020 GMC Savana2019 Chevrolet Express2019 Chevrolet Silverado2019 GMC Savana2019 GMC Sierra2018 Chevrolet Express2018 Chevrolet Silverado2018 GMC Savana2018 GMC Sierra2017 Chevrolet Express2017 Chevrolet Silverado2017 GMC Savana2017 GMC Sierra2016 Chevrolet Express2016 Chevrolet Silverado2016 GMC Savana2016 GMC Sierra
  Associated Documents

  • DownloadMC-10181674-0001.pdf↗
• September 2, 2020•Document ID: 10181660

  Service Bulletin/Repair Instructions
  POWER TRAIN

  Mfr Comm. #:

  16NA019

  Date Added:

  October 26, 2020

  Manufacturer:

  GMC

  Summary

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

  Associated Products (225)

  2021 Cadillac CT42021 Cadillac CT52021 Cadillac Escalade2021 Cadillac XT42021 Cadillac XT52021 Cadillac XT62021 Chevrolet Blazer2021 Chevrolet Camaro2021 Chevrolet Colorado2021 Chevrolet Corvette2021 Chevrolet Equinox2021 Chevrolet Malibu2021 Chevrolet Silverado2021 Chevrolet Suburban2021 Chevrolet Tahoe2021 Chevrolet Trailblazer2021 GMC Acadia2021 GMC Canyon2021 GMC Savana2021 GMC Sierra+ 205 more
  Associated Documents

  • DownloadMC-10181660-0001.pdf↗
• August 14, 2020•Document ID: 10180697

  Service Bulletin/Repair Instructions
  EQUIPMENT

  Mfr Comm. #:

  990089019U

  Date Added:

  October 5, 2020

  Manufacturer:

  CADILLAC

  Summary

  This Warranty Administration bulletin provides information on Global Warranty Management (GWM) Warranty Parts Center (WPC) Parts Return Program Information.

  Associated Products (239)

  2020 Buick Enclave2020 Buick Encore2020 Buick Encore GX2020 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 Colorado+ 219 more
  Associated Documents

  • DownloadMC-10180697-0001.pdf↗
• August 14, 2020•Document ID: 10180317

  Service Bulletin/Repair Instructions
  TIRES

  Mfr Comm. #:

  20NA159

  Date Added:

  September 28, 2020

  Manufacturer:

  CADILLAC

  Summary

  This Warranty Administration bulletin is for information on General Motors New Vehicle Tire Warranty Program (U.S. Dealers Only).

  Associated Products (345)

  2021 Buick Enclave2021 Buick Encore2021 Buick Encore GX2021 Buick Envision2021 Cadillac CT42021 Cadillac CT52021 Cadillac Escalade2021 Cadillac XT42021 Cadillac XT52021 Cadillac XT62021 Chevrolet Camaro2021 Chevrolet Corvette2021 Chevrolet Equinox2021 Chevrolet Malibu2021 Chevrolet Silverado2021 Chevrolet Suburban2021 Chevrolet Tahoe2021 Chevrolet Trailblazer2021 GMC Acadia2021 GMC Canyon+ 325 more
  Associated Documents

  • DownloadMC-10180317-0001.pdf↗
• August 5, 2020•Document ID: 10180299

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

  Mfr Comm. #:

  18NA099

  Date Added:

  September 28, 2020

  Manufacturer:

  CHEVROLET

  Summary

  This bulletin provides information for use on a Product Assistance Claim (PAC), which is formerly known as a Product Allegation Resolution (PAR) claim.

  Associated Products (853)

  2020 Buick Enclave2020 Buick Encore2020 Buick Encore GX2020 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 Colorado+ 833 more
  Associated Documents

  • DownloadMC-10180299-0001.pdf↗
• August 3, 2020•Document ID: 10180307

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM

  Mfr Comm. #:

  20NA055

  Date Added:

  September 28, 2020

  Manufacturer:

  GMC

  Summary

  This technical bulletin provides a procedure to correct customer concerns of Instrument Panel Cluster (IPC) Gauges Inoperative, Numerous Driver information Center (DIC) Error Messages, No Brake or Electric Power Steering Assist, Transmission in Default Gear, No Reverse and/or Back Up Lights, No Daytime Running Lights (DRL), No Cruise or Adaptive Cruise and/or No Trailer Brake Lights.

  Associated Products (24)

  2020 Cadillac Escalade2020 Cadillac Escalade ESV2020 Chevrolet Express2020 Chevrolet Suburban2020 Chevrolet Tahoe2020 GMC Savana2020 GMC Yukon2020 GMC Yukon XL2019 Cadillac Escalade2019 Cadillac Escalade ESV2019 Chevrolet Silverado2019 Chevrolet Suburban2019 Chevrolet Tahoe2019 GMC Sierra2019 GMC Yukon2019 GMC Yukon XL2018 Cadillac Escalade2018 Cadillac Escalade ESV2018 Chevrolet Silverado2018 Chevrolet Suburban+ 4 more
  Associated Documents

  • DownloadMC-10180307-0001.pdf↗
• July 28, 2020•Document ID: 10178949

  Service Bulletin/Repair Instructions
  ENGINE; POWER TRAIN

  Mfr Comm. #:

  16NA338

  Date Added:

  August 31, 2020

  Manufacturer:

  CHEVROLET

  Summary

  This Bulletin provides guidelines for Dealers Not Required and for Dealers Required to Contact the PQC for engine or transmission assembly replacement and explains the PQC process, GWM Transaction submission, vehicle service record retention and proper handling of assembly returns for Canadian Dealers only.

  Associated Products (653)

  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+ 633 more
  Associated Documents

  • DownloadMC-10178949-0001.pdf↗
• July 27, 2020•Document ID: 10178972

  Service Bulletin/Repair Instructions
  FUEL/PROPULSION SYSTEM

  Mfr Comm. #:

  20NA128

  Date Added:

  August 31, 2020

  Manufacturer:

  CHEVROLET

  Summary

  This technical bulletin provides a procedure to replace the fuel filter drain or assembly if found the cause of the customers complaint.

  Associated Products (20)

  2020 Chevrolet Equinox2020 Chevrolet Express2020 Chevrolet Malibu2020 GMC Savana2020 GMC Terrain2019 Chevrolet Equinox2019 Chevrolet Express2019 Chevrolet Malibu2019 GMC Savana2019 GMC Terrain2018 Chevrolet Equinox2018 Chevrolet Express2018 Chevrolet Malibu2018 GMC Savana2018 GMC Terrain2017 Chevrolet Equinox2017 Chevrolet Express2017 Chevrolet Malibu2017 GMC Savana2017 GMC Terrain
  Associated Documents

  • DownloadMC-10178972-0001.pdf↗
• July 22, 2020•Document ID: 10178959

  Service Bulletin/Repair Instructions
  STRUCTURE; EQUIPMENT

  Mfr Comm. #:

  19NA255

  Date Added:

  August 31, 2020

  Manufacturer:

  CHEVROLET

  Summary

  This preliminary informational bulletin provides frame coating repair information to correct a customer concern of wax coating on frame peeling, metal shows corrosion/rusting (U.S. and Canada Only).

  Associated Products (103)

  2020 Cadillac Escalade2020 Cadillac Escalade ESV2020 Chevrolet Express2020 Chevrolet Silverado2020 Chevrolet Suburban2020 Chevrolet Tahoe2020 GMC Savana2020 GMC Sierra2020 GMC Yukon2020 GMC Yukon XL2019 Cadillac Escalade2019 Cadillac Escalade ESV2019 Chevrolet Express2019 Chevrolet Silverado2019 Chevrolet Suburban2019 Chevrolet Tahoe2019 GMC Savana2019 GMC Sierra2019 GMC Yukon2019 GMC Yukon XL+ 83 more
  Associated Documents

  • DownloadMC-10178959-0001.pdf↗
• July 10, 2020•Document ID: 10179408

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

  Mfr Comm. #:

  150089002B

  Date Added:

  September 8, 2020

  Manufacturer:

  GMC

  Summary

  This bulletin provides information to dealers regarding transportation damage repair claim submission requirements.

  Associated Products (238)

  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+ 218 more
  Associated Documents

  • DownloadMC-10179408-0001.pdf↗
• July 10, 2020•Document ID: 10178367

  Service Bulletin/Repair Instructions
  POWER TRAIN; ENGINE

  Mfr Comm. #:

  PIP5504F

  Date Added:

  August 10, 2020

  Manufacturer:

  GMC

  Summary

  This Preliminary Information communication provides information and definitions to the technician about vehicles that have fishbite, chuggle, misfire, AFM disturbances or torque converter shudder/vibration concerns. Technician are advised to use PICO software to determine root cause of the concern. If torque converter shudder is confirmed technicians are referred to Torque Converter Diagnosis in SI.

  Associated Products (40)

  2020 Chevrolet Express2020 Chevrolet Silverado2020 Chevrolet Suburban2020 Chevrolet Tahoe2020 GMC Savana2020 GMC Sierra2020 GMC Yukon2020 GMC Yukon XL2019 Chevrolet Express2019 Chevrolet Silverado2019 Chevrolet Suburban2019 Chevrolet Tahoe2019 GMC Savana2019 GMC Sierra2019 GMC Yukon2019 GMC Yukon XL2018 Chevrolet Express2018 Chevrolet Silverado2018 Chevrolet Suburban2018 Chevrolet Tahoe+ 20 more
  Associated Documents

  • DownloadMC-10178367-0001.pdf↗
• June 26, 2020•Document ID: 10178353

  Service Bulletin/Repair Instructions
  SERVICE BRAKES

  Mfr Comm. #:

  PIT3665J

  Date Added:

  August 10, 2020

  Manufacturer:

  GMC

  Summary

  This Preliminary Information communication advises the technician that the Hydro-Boost is not serviceable and will need to be replaced if the brake pedal moves or applies on its own at a full turn.

  Associated Products (120)

  2020 Chevrolet Express2020 Chevrolet Silverado2020 GMC Savana2020 GMC Sierra2019 Chevrolet Express2019 Chevrolet Silverado2019 Chevrolet Suburban2019 GMC Savana2019 GMC Sierra2018 Chevrolet Express2018 Chevrolet Silverado2018 Chevrolet Suburban2018 GMC Savana2018 GMC Sierra2017 Chevrolet Express2017 Chevrolet Silverado2017 Chevrolet Suburban2017 GMC Savana2017 GMC Sierra2016 Chevrolet Express+ 100 more
  Associated Documents

  • DownloadMC-10178353-0001.pdf↗
• June 25, 2020•Document ID: 10178345

  Service Bulletin/Repair Instructions
  POWER TRAIN

  Mfr Comm. #:

  PIP5504E

  Date Added:

  August 10, 2020

  Manufacturer:

  GMC

  Summary

  This Preliminary Information communication provides information and definitions to the technician about vehicles that have fishbite, chuggle, misfire, AFM disturbances or torque converter shudder/vibration concerns. Technician are advised to use PICO software to determine root cause of the concern. If torque converter shudder is confirmed technicians are referred to Torque Converter Diagnosis in SI.

  Associated Products (35)

  2020 Chevrolet Express2020 Chevrolet Silverado2020 Chevrolet Suburban2020 Chevrolet Tahoe2020 GMC Savana2020 GMC Sierra2020 GMC Yukon XL2019 Chevrolet Express2019 Chevrolet Silverado2019 Chevrolet Suburban2019 Chevrolet Tahoe2019 GMC Savana2019 GMC Sierra2019 GMC Yukon2018 Chevrolet Express2018 Chevrolet Silverado2018 Chevrolet Suburban2018 Chevrolet Tahoe2018 GMC Savana2018 GMC Sierra+ 15 more
  Associated Documents

  • DownloadMC-10178345-0001.pdf↗
• June 25, 2020•Document ID: 10178282

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM

  Mfr Comm. #:

  20NA132

  Date Added:

  August 10, 2020

  Manufacturer:

  GMC

  Summary

  This warranty administration bulletin provides policy information on the requirements for battery testing and warranty replacements.

  Associated Products (241)

  2020 Buick Enclave2020 Buick Encore2020 Buick Envision2020 Buick Regal2020 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 Equinox2020 Chevrolet Express2020 Chevrolet Malibu+ 221 more
  Associated Documents

  • DownloadMC-10178282-0001.pdf↗
• June 23, 2020•Document ID: 10178288

  Service Bulletin/Repair Instructions
  POWER TRAIN

  Mfr Comm. #:

  20NA138

  Date Added:

  August 10, 2020

  Manufacturer:

  PONTIAC

  Summary

  This bulletin provides information on Policies Applicable to All U.S. Dealers for Engine and Transmission Assembly Replacement Under Warranty, Policy or Customer Enthusiasm and information on Submission of Warranty Transaction in Global Warranty Management.

  Associated Products (651)

  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 Impala2020 Chevrolet Malibu+ 631 more
  Associated Documents

  • DownloadMC-10178288-0001.pdf↗
• June 17, 2020•Document ID: 10178334

  Service Bulletin/Repair Instructions
  ENGINE AND ENGINE COOLING

  Mfr Comm. #:

  PIP5630D

  Date Added:

  August 10, 2020

  Manufacturer:

  CHEVROLET

  Summary

  This Preliminary information communicates A vehicle may have a concern of no oil pressure and/or P0521 set. the releif valve in the pump is sticking or the number 1 main bearing is damaged. Drop oil pan and confirm #1 main is spun or not.  If bearings are OK Then change oil pump.

  Associated Products (7)

  2020 Chevrolet Express2020 GMC Savana2019 Chevrolet Express2019 Chevrolet Silverado2019 Chevrolet Suburban2019 GMC Savana2019 GMC Sierra
  Associated Documents

  • DownloadMC-10178334-0001.pdf↗
• June 15, 2020•Document ID: 10178293

  Service Bulletin/Repair Instructions
  EQUIPMENT

  Mfr Comm. #:

  990089019T

  Date Added:

  August 10, 2020

  Manufacturer:

  CHEVROLET

  Summary

  This warranty administration bulletin provides information on Global Warranty Management (GWM) Warranty Parts Center (WPC) Parts Return Program Information.

  Associated Products (238)

  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+ 218 more
  Associated Documents

  • DownloadMC-10178293-0001.pdf↗
• June 12, 2020•Document ID: 10178323

  Service Bulletin/Repair Instructions
  EQUIPMENT; POWER TRAIN:AUTOMATIC TRANSMISSION; ELECTRICAL SYSTEM; SERVICE BRAKES; EQUIPMENT ADAPTIVE/MOBILITY

  Mfr Comm. #:

  PIT5206G

  Date Added:

  August 10, 2020

  Manufacturer:

  CADILLAC

  Summary

  This Preliminary Information communication provides information to the technician with the steps on diagnosing and repairing vehicles that may have unwanted grade braking, reduced engine power with no Driver Information Center messages ? Brake Pedal Override Feature ?, transmission busy or frequent shifting up or down, and Diagnostic Trouble Codes P057B, P057C, and/or P057D may or may not be set. Technician will use this preliminary information to find the brake pedal position data parameters in the scan tool, and also to provide some additional diagnostic help. These issues may be caused by an incorrect brake pedal position sensor input to the engine control module. Technician will verify with the scan tool if the engine control module has the correct parameters for the brake pedal position sensor. If an engine control module brake pedal position sensor relearn is performed, the truck may be temporarily repaired until the intermittent wiring issue between the engine control module and brake pedal position sensor occurs again. On 2014 and newer trucks inspect and repair any damage to X115 and X119. On the 2014 and previous trucks inspect and repair any damage to X205.

  Associated Products (68)

  2020 Cadillac Escalade ESV2020 Chevrolet Express2020 Chevrolet Suburban2020 Chevrolet Tahoe2020 GMC Savana2020 GMC Yukon XL2019 Cadillac Escalade ESV2019 Chevrolet Express2019 Chevrolet Silverado2019 Chevrolet Suburban2019 Chevrolet Tahoe2019 GMC Savana2019 GMC Sierra2019 GMC Yukon2018 Cadillac Escalade ESV2018 Chevrolet Express2018 Chevrolet Silverado2018 Chevrolet Suburban2018 Chevrolet Tahoe2018 GMC Savana+ 48 more
  Associated Documents

  • DownloadMC-10178323-0001.pdf↗
• June 11, 2020•Document ID: 10178270

  Service Bulletin/Repair Instructions
  FUEL SYSTEM, GASOLINE

  Mfr Comm. #:

  20NA110

  Date Added:

  August 10, 2020

  Manufacturer:

  CHEVROLET

  Summary

  This informational bulletin advises the technician on what to do if the DEF pump has been replaced and perform a leak test to prime the pump.

  Associated Products (33)

  2020 Chevrolet Colorado2020 Chevrolet Express2020 Chevrolet Silverado2020 GMC Canyon2020 GMC Savana2020 GMC Sierra2020 GMC Terrain2019 Chevrolet Colorado2019 Chevrolet Cruze2019 Chevrolet Equinox2019 Chevrolet Express2019 Chevrolet Silverado2019 GMC Canyon2019 GMC Savana2019 GMC Sierra2019 GMC Terrain2018 Chevrolet Colorado2018 Chevrolet Cruze2018 Chevrolet Equinox2018 Chevrolet Express+ 13 more
  Associated Documents

  • DownloadMC-10178270-0001.pdf↗