GMC Savana Service Bulletins

732 manufacturer communications on file.

• February 7, 2024•Document ID: 10250505

  Service Bulletin/Repair Instructions
  FUEL SYSTEM, GASOLINE; ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL

  Mfr Comm. #:

  19-NA-044

  Date Added:

  February 21, 2024

  Manufacturer:

  CHEVROLET

  Summary

  This service bulletin provides information on the cold start control system in DI engines to reduce cold start emissions and improve fuel economy.

  Associated Products (116)

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  Associated Documents

  • DownloadMC-10250505-0001.pdf↗
• February 7, 2024•Document ID: 10250503

  Service Bulletin/Repair Instructions
  ENGINE AND ENGINE COOLING

  Mfr Comm. #:

  16-NA-222

  Date Added:

  February 21, 2024

  Manufacturer:

  CHEVROLET

  Summary

  This bulletin provides information on Engine Concerns that could result from lack of scheduled maintenance, improper service or aftermarket calibrations.

  Associated Products (128)

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  Associated Documents

  • DownloadMC-10250503-0001.pdf↗
• February 5, 2024•Document ID: 10249700

  Service Bulletin/Repair Instructions
  POWER TRAIN; ENGINE AND ENGINE COOLING

  Mfr Comm. #:

  N232428780

  Date Added:

  February 5, 2024

  Manufacturer:

  GMC

  Summary

  Customer Satisfaction Program - Certain vehicles may have a condition in which the transmission Control Valve Body Ball Check Valves can wear prematurely resulting in the possibility for them to become stuck or pass through the Control Valve Body Spacer Plate. The customer may not be able to shift into drive from park or reverse at the start of vehicle operation. Dealers are to replace the transmission Control Valve Body Spacer Plate package.

  Associated Products (2)

  2021 Chevrolet Express2021 GMC Savana
  Associated Documents

  • DownloadMC-10249700-0001.pdf↗
• February 2, 2024•Document ID: 10250347

  Service Bulletin/Repair Instructions
  ENGINE AND ENGINE COOLING; POWER TRAIN

  Mfr Comm. #:

  16-NA-338

  Date Added:

  February 17, 2024

  Manufacturer:

  CADILLAC

  Summary

  This Warranty Admin service 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.

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• January 30, 2024•Document ID: 10250276

  Service Bulletin/Repair Instructions
  EQUIPMENT; ELECTRICAL SYSTEM

  Mfr Comm. #:

  23-NA-055

  Date Added:

  February 14, 2024

  Manufacturer:

  CHEVROLET

  Summary

  This service bulletin provides information on the EL-52800 Diagnostic & Charge Battery Station (DCBS) – FAQs.

  Associated Products (139)

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  Associated Documents

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• January 29, 2024•Document ID: 10250278

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM; EQUIPMENT

  Mfr Comm. #:

  23-NA-189

  Date Added:

  February 14, 2024

  Manufacturer:

  GMC

  Summary

  This service bulletin assists technicians in setting up PicoScope hardware/software to monitor CAN bus traffic (voltage patterns) to aid Technical Assistance (TAC) and Field Service Engineers (FSEs) in diagnosing electrical issues present on network communication circuits.

  Associated Products (139)

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• January 22, 2024•Document ID: 10249137

  Service Bulletin/Repair Instructions
  FUEL SYSTEM, GASOLINE; ELECTRICAL SYSTEM; UNKNOWN OR OTHER; FUEL SYSTEM, DIESEL:STORAGE:TANK ASSEMBLY

  Mfr Comm. #:

  N232425850

  Date Added:

  January 23, 2024

  Manufacturer:

  GMC

  Summary

  Service Update - Certain vehicles may have a condition in which the fuel tank fuel pump module manifold connector is not completely clipped to fuel pump housing. Dealers are to replace the Fuel Tank Fuel Pump Module.

  Associated Products (1)

  2023 GMC Savana
  Associated Documents

  • DownloadMC-10249137-0001.pdf↗
• January 18, 2024•Document ID: 10250244

  Service Bulletin/Repair Instructions
  STRUCTURE

  Mfr Comm. #:

  PI0281K

  Date Added:

  February 14, 2024

  Manufacturer:

  CHEVROLET

  Summary

  This preliminary informational (PI) bulletin provides information to dealership personnel which may be helpful when addressing underbody component corrosion with customers.

  Associated Products (127)

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• January 18, 2024•Document ID: 10249745

  Service Bulletin/Repair Instructions
  STRUCTURE

  Mfr Comm. #:

  19-NA-255

  Date Added:

  February 6, 2024

  Manufacturer:

  GMC

  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).

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• January 18, 2024•Document ID: 10249743

  Service Bulletin/Repair Instructions
  POWER TRAIN

  Mfr Comm. #:

  22-NA-246

  Date Added:

  February 6, 2024

  Manufacturer:

  CADILLAC

  Summary

  This service bulletin advises the technician that the possible cause may not be from a faulty clutch piston or extension housing and to perform testing on transmission for other possible issues, but it still may be possible on high mileage vehicles that orifices in housing may have come dislodged, causing the same customer concern.

  Associated Products (16)

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  Associated Documents

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• January 16, 2024•Document ID: 10249946

  Service Bulletin/Repair Instructions
  ENGINE AND ENGINE COOLING

  Mfr Comm. #:

  23-NA-170

  Date Added:

  February 10, 2024

  Manufacturer:

  CHEVROLET

  Summary

  This bulletin advises the tech to inspect deeper into what may be to main cause of an engine failure.

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  Associated Documents

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• January 16, 2024•Document ID: 10249590

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

  Mfr Comm. #:

  18-NA-099

  Date Added:

  February 2, 2024

  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.

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• January 12, 2024•Document ID: 10249980

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

  Mfr Comm. #:

  PIP5601B

  Date Added:

  February 12, 2024

  Manufacturer:

  GMC

  Summary

  This Preliminary Information communication provides information to the technician about vibration complaints that are one of the most challenging complaints to accurately diagnose and repair. Technician will need to use Pico Oscilloscope Diagnostic Kit to effectively diagnosis vehicles. Technician should drive the vehicle will using the Pico Oscilloscope to record data. After the data is recorded it should be reviewed to determine the root cause of the concern. If a repair attempt made the concern better but not eliminated or had no affect at all, and are requesting assistance from General Motors Technical Assistance Center record another Pico file and save it to the computer. After the new Pico Oscilloscope data has been saved email the data to General Motors Technical Assistance Center in the subject line include ?Vibration? ?Business Associate Code? and the last 8 of the Vehicle Identification Number.

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• January 12, 2024•Document ID: 10249579

  Service Bulletin/Repair Instructions
  POWER TRAIN; ENGINE AND ENGINE COOLING

  Mfr Comm. #:

  PI1394B

  Date Added:

  February 2, 2024

  Manufacturer:

  CADILLAC

  Summary

  This PI bulletin advises the technician on the proper way to install the pistons in an engine.

  Associated Products (128)

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• January 12, 2024•Document ID: 10249011

  Service Bulletin/Repair Instructions
  EXTERIOR LIGHTING

  Mfr Comm. #:

  02-08-42-001J

  Date Added:

  January 19, 2024

  Manufacturer:

  GMC

  Summary

  This informational bulletin provides information for dealers/technicians on Headlamp, Tail Lamp, License Lamp or Fog/Driving Lamp Damage.

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• January 8, 2024•Document ID: 10249535

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM

  Mfr Comm. #:

  PI0592I

  Date Added:

  February 2, 2024

  Manufacturer:

  CHEVROLET

  Summary

  This preliminary information (PI) provides information om Service Programming System (SPS) Error Codes (E4398, E4399, E4403, M4404, M4413, M6954, M6955, E4414, E4423, E4491 or E6961).

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• January 4, 2024•Document ID: 10249003

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM; SERVICE BRAKES, HYDRAULIC

  Mfr Comm. #:

  21-NA-195

  Date Added:

  January 19, 2024

  Manufacturer:

  CHEVROLET

  Summary

  This service bulletin advises the technician of a new routing for the ABS sensor harness if the part was received with a shorter harness.

  Associated Products (2)

  2021 Chevrolet Express2021 GMC Savana
  Associated Documents

  • DownloadMC-10249003-0001.pdf↗
• December 20, 2023•Document ID: 10248703

  Service Bulletin/Repair Instructions
  EQUIPMENT; POWER TRAIN

  Mfr Comm. #:

  16-NA-361

  Date Added:

  January 13, 2024

  Manufacturer:

  GMC

  Summary

  This service bulletin provides service /diagnostic information to aid with a Transmission Harsh 1-2 Shift Upon First Start Up/Shift of the Day Under Light Throttle.

  Associated Products (23)

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• December 18, 2023•Document ID: 10249295

  Service Bulletin/Repair Instructions
  EQUIPMENT

  Mfr Comm. #:

  PIT5074P

  Date Added:

  January 29, 2024

  Manufacturer:

  BUICK

  Summary

  This Preliminary Information communication provides information to the technician about the use of J-35616-64B terminal test probe, replacement terminals, and terminated leads. The J-35616-64B is the latest test probe released for checking tension or probing the .64 series terminals. The test probe terminal has been released in the terminal repair kit (J-38125-620H) located in Lear Tray 7 part number 963716-2. There are 5 terminated leads in a package part number is 13505346, which can be ordered through your normal General Motors Customer Care and Aftersales parts channel.

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• December 15, 2023•Document ID: 10249294

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM:HAND HEATER:WIRING HARNESS; UNKNOWN OR OTHER

  Mfr Comm. #:

  PIT5962A

  Date Added:

  January 29, 2024

  Manufacturer:

  GMC

  Summary

  This Preliminary information communicates a GM part number for reflective high temperature heat or insulating tape when repairing wiring harnesses.

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