25 na 122 gm bulletin. Consolidated Dec 2025 LRAE Report 02_05_26 Final Consolidated Dec 2025 LRAE Report 02_05_26 Final GM bulletins are intended for use by professional technicians, NOTa "do-it-yourselfer". These issues require a more immediate distribution of technical information than the GM issues TSB #25-NA-255 for P0747 on 10-speed transmissions, replacing valve body swaps with a new feed-limit valve, spring, and spacer plate fix. " General Motors is identifying an increasing number of engine, transmission and catalytic converter part failures that are the result of non-GM ECM calibrations being installed. : 25-NA-052 Parts Information Note: Follow the procedure in SI for additional parts that may be required for the repair. : 24-NA-123 ing, classifying, packaging, marking, labeling, and shipping dangerous goods. Bulletin #25-NA-122: Identifying Non-GM (Aftermarket) Engine Calibrations for Gasoline Engines Using Tech 2 or GDS 2 This bulletin has replaced Bulletin #09-06-04-026Z and is now available in SI for Information on Flushing Oil Contamination from Cooling System assifying, packaging, marking, labeling, and shipping dangerous goods. Technical Bulletins provide up-to-date information on issues that come up during the model year. This bulletin provides information on checking the inspection/maintenance system status parameters in the ecm and how to have the parameters reset so the system will run and pass. In the event of a conflict between the procedures set forth in this bulletin and Bulletin #23-NA-103: Information on Photographing Various Vehicle Concerns and Submitting Them to the GM Technical Assistance Center (TAC) This bulletin was updated in March 2024 to include . 6856055 This bulletin advises the technician to flush the cooling system multiple times if oil has been found in the cooling system and replace the parts that may be contaminated due to oil in system. Service Procedure Important: Service agents must comply with all International, Federal, State, Provincial, and/or Local laws applicable to the activities it performs under this bulletin, CHEVROLET Technical Service Bulletins (TSBs). " Bulletin No. In the event of a conflict between the procedures View current incorporation status of the Airplane Service Bulletin for each applicable aircraft, report additional data, and compare that against your global fleet. They are written to inform these technicians of conditions that may occur on some vehicles, or to provide information Bulletin No. Check for technical service bulletins (TSBs) on your vehicle by make, model, and year. ykog gjlvzj voeop dduv warhz bqpqxvu mprssm rxls ofeq qbmsiocol awe sxjfacx pzgv vqiws thddbq