| Component | Summary |
190000 TIRES | Jan 03, 2022 - This service bulletin provides information for dealers/technicians on Tire/Wheel Characteristics (Vibration, Balance, Shake, Flat Spotting) of GM Original Equipment Tires. |
200000 WHEELS | Jan 03, 2022 - This service bulletin provides information for dealers/technicians on Tire/Wheel Characteristics (Vibration, Balance, Shake, Flat Spotting) of GM Original Equipment Tires. |
356230 EQUIPMENT ADAPTIVE/MOBILITY, VEHICLE CONTROLS, STEERING | Jan 03, 2022 - This service bulletin provides a vibration analysis worksheet the technician can use in conjunction with the appropriate Vibration Analysis-Road testing procedure, when diagnosing vibration concerns. |
020000 SUSPENSION | Dec 27, 2021 - This technical bulletin provides a procedure for lubricating the rear leaf springs and re-torque the bolts to correct a squeak, clunking noise. |
060000 ENGINE AND ENGINE COOLING | Dec 27, 2021 - This service bulletin provides information for dealers/technicians and customers on steam/vapor coming from the front grille or radiator area. |
120000 EXTERIOR LIGHTING | Dec 27, 2021 - This service bulletin provides diagnostic strategy information to aid in diagnosing a Ticking, Tap or Rattle Noise from Engine with Possible Misfire, Malfunction Indicator Lamp (MIL) Illuminated. |
280000 BACK OVER PREVENTION | Dec 27, 2021 - This service bulletin provides diagnostic strategy information to aid in diagnosing a Ticking, Tap or Rattle Noise from Engine with Possible Misfire, Malfunction Indicator Lamp (MIL) Illuminated. |
350000 EQUIPMENT | Dec 27, 2021 - This service bulletin provides information for dealers/technicians and customers on steam/vapor coming from the front grille or radiator area. |
060000 ENGINE (PWS) | Dec 20, 2021 - This service bulletin provides diagnostic aid information/procedures to perform inspections to determine if the engine needs to be replaced as opposed to just internal parts for knocking, rattle, squeak and/or squeal type noises from engine |
060000 ENGINE (PWS) | Dec 20, 2021 - This service bulletin provides graphics, information and guidelines for engine component wear to assist service personnel as a guideline to perform necessary engine repairs and prevent unnecessary engine replacement. |
070000 FUEL SYSTEM, GASOLINE | Dec 20, 2021 - This service bulletin advises the technician on what to do if the DEF pump has been replaced and perform a leak test to prime the pump. |
111000 ELECTRICAL SYSTEM, 12V/24V/48V BATTERY | Dec 20, 2021 - This warranty administration bulletin provides policy information on the requirements for battery testing and warranty replacements. |
061600 ENGINE AND ENGINE COOLING, ENGINE, ENGINE CONTROL MODULE (ECU/ECM) | Dec 13, 2021 - This Preliminary information communicates concerns created by an aftermarket ECM calibration installed byáfleet companies.á The Fleet companies installáaftermarket ECM calibrations to limit the vehicle speedáto approximately 70 mph andáredu |
350000 EQUIPMENT | Dec 13, 2021 - This Preliminary information communicates concerns created by an aftermarket ECM calibration installed byáfleet companies.á The Fleet companies installáaftermarket ECM calibrations to limit the vehicle speedáto approximately 70 mph andáredu |
356000 EQUIPMENT ADAPTIVE/MOBILITY | Dec 13, 2021 - This Preliminary information communicates concerns created by an aftermarket ECM calibration installed byáfleet companies.á The Fleet companies installáaftermarket ECM calibrations to limit the vehicle speedáto approximately 70 mph andáredu |
070000 FUEL SYSTEM, GASOLINE | Oct 25, 2021 - This Preliminary information communicates a possible issue with the active fuel management rockers causing a misfire and the correction for this concern. |
357500 EQUIPMENT, APPLIANCE, TV/RADIO/SPEAKERS | Oct 25, 2021 - This Preliminary information communicates a concern where the radio will reboot when adjusting the volume intermittently and that engineering is investigating. |
100000 POWER TRAIN | Sep 13, 2021 - This Preliminary Information communication provides information to the technician about vehicles that have an intermittent no crank, no start, or start stall concern with the security light coming on. Technician may find Diagnostic Trouble |
110000 ELECTRICAL SYSTEM | Sep 13, 2021 - This Preliminary information communicates to GM dealers that the above mentioned concern is software related and that General Motors is working on a solution. |
110000 ELECTRICAL SYSTEM | Sep 13, 2021 - This Preliminary Information communication provides information to the technician on how to diagnose and repair vehicle that may have a "Check Trailer Wiring" or "Service Trailer Brake System? message on the Driver Information Center when a |
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