2023 Chevrolet Suburban Technical Service Bulletins

664 technical service bulletins (TSBs) are on record for the 2023 Chevrolet Suburban. TSBs are notes manufacturers send to dealers about repair procedures for issues seen in the field. They are not recalls and do not by themselves mean a vehicle has a fault.

• 11018541May 23, 2025Engine. Certain vehicles listed above, may have a condition where the connecting rod and/or crankshaft engine components in these vehicles may have manufacturing defects that can lead to engine damage and engine failure. This special coverage covers if an engine failure occurs in the vehicle as a result of the condition described above for a period of 10 years or 150,000 miles (240,000 km), whichever occurs first, from the…
• 11018659May 22, 2025Other or unknown. This Preliminary information communicates an issue with an OTA pending message still displayed after an OTA event and how to reset/clear the message.
• 11018496May 17, 2025Other or unknown. This Preliminary information communicates that you may notice a black screen on their radio display. This can happen for a period of a couple seconds or the entire ignition cycle. Engineering is aware of the issue and investigating.
• 11024486May 16, 2025Electrical system, Engine. This bulletin advises the tech to inspect deeper into what may be to main cause of an engine failure.
• 11023369May 16, 2025Transmission and drivetrain. This service bulletin advises the technician to check if the transmission cooler lines are twisted to correct customer concerns of Harsh Shift, Shudder, Surge, Stall, Transmission Overheating and/or High Transmission Fluid Temperature.
• 11024485May 15, 2025Engine. The service bulletin advises the tech of a normal transmission shift condition and the delay in throttle response when the throttle plate is opened rapidly and advises the customer that it is normal for the delay.
• 11018323May 15, 2025Other or unknown. Certain 2018-2024 model year vehicles are receiving a software enhancement for SuperCruise. Dealers will update the Engine Control Module, Powertrain Control Module, Hybrid Powertrain Control Module 2 (HPCM2) or Drive Motor Control Module.
• 11018488May 14, 2025Other or unknown. This Preliminary information communicates to dealers steps to follow to obtain an IOK radio.
• 11023052May 8, 2025Body and structure. This engineering information (EI Lite) ends the need for using the FPR Process in regards to rocker moldings experiencing poor fit, loose parts, broken clips and/or warpage resulting in a warranty replacement and to refer to SI for further diagnosis.
• 11023051May 8, 2025Forward collision avoidance. This service bulletin provides information for the technicians to use a Customer Concern Verification sheet to facilitate the questions needing to be answered by the customer regarding Automatic Emergency Braking (AEB) issues.
• 11018437May 8, 2025Other or unknown. This Preliminary information communicates to the technicians that this audio concern is a software issue and to not replace any parts at this time.
• 11020254May 7, 2025Engine. This service bulletin provides information to dealership personnel for new vehicles with less than 1,000 miles that may not pass California smog inspection or smog inspection in other states.
• 11018711May 6, 2025Other or unknown. Software Update for your 24MY Chevrolet Tahoe/Suburban GMC Yukon Cadillac Escalade: • Enables the active cabin ventilation feature. • When windows are remotely lowered using the key fob, the HVAC blower will turn on. During the update process, your radio may stay on up to 5 minutes after you exit the vehicle. This is expected behavior when an update package is onboard the vehicle. Do not service your vehicle during…
• 11018429May 6, 2025Other or unknown. This Preliminary information communicates to dealership technicians to perform the reset for the 2 modules noted above.
• 11022032May 5, 2025Suspension. This bulletin advises the techs that the front and or rear shocks need to be replaced as a set and not 1 at a time to avoid the road and ride performance not to be compromised.
• 11018416May 2, 2025Other or unknown. This Preliminary information communicates to dealers steps to follow to obtain an IOK radio.
• 11017374May 1, 2025Other or unknown. Certain 2018-2024 model year vehicles are receiving a software enhancement for SuperCruise. Dealers will update the Engine Control Module, Powertrain Control Module, Hybrid Powertrain Control Module 2 (HPCM2) or Drive Motor Control Module.
• 11017796Apr 30, 2025Other or unknown. This Preliminary information communicates to dealers steps to follow to obtain an IOK radio.
• 11017794Apr 30, 2025Other or unknown. This Preliminary information communicates possible normal rear heater performance operation at idle.
• 11019755Apr 29, 2025Air bags, Electrical system, Seats. This service bulletin provides information on the restraint warning lamp being illuminated and the correction to this by replacing the passenger presence module.
• 11017332Apr 29, 2025Other or unknown. Certain 2018-2024 model year vehicles are receiving a software enhancement for SuperCruise. Dealers will update the Engine Control Module, Hybrid Powertrain Control Module 2 (HPCM2) or Drive Motor Control Module.
• 11017780Apr 28, 2025Other or unknown. This Preliminary information communicates how to erase a DTC that is falsely setting due to a software concern with the Image Processing Module
• 11019545Apr 24, 2025Electrical system. This warranty administration bulletin provides information for dealers/technicians on System Reset and Connector Reconnect Labor Code Numbers.
• 11019503Apr 18, 2025Engine. This warranty administration bulletin provides policy information on vehicles outside of a California Emissions State who move to and register their vehicle in a California Emission State may be entitled to the 7 year, 70,000-mile Emission Select State Component Limited Warranty.
• 11017315Apr 18, 2025Other or unknown. This Preliminary information communicates A diagnostic tip from root causing DTC: C1197 SYM 92 caused by a pinched air inlet hose to the suspension compressor air leveling system or internal software concern
• 11017309Apr 18, 2025Other or unknown. This Preliminary information communicates an issue with the SES MIL and DTC P062B /P060C and engineering is currently investigating.
• 11019516Apr 17, 2025Steering, Suspension, Transmission and drivetrain. This preliminary informational (PI) bulletin provides information to dealership personnel that may be helpful when addressing underbody component corrosion with customers.
• 11019377Apr 16, 2025Seats. This technical bulletin provides repair information to correct a customer concern of SUV Second Row Seat Bolt Torque Pattern.
• 11017271Apr 16, 2025Other or unknown. This Preliminary information communicates to the technician that GM is aware of this concern and to update the Google maps application through the playstore.
• 11017269Apr 16, 2025Other or unknown. This Preliminary information communicates a issue where the rear windshield wipers will not be in the park position and will cause the rear back glass not to open with the switch or the RKE fob. This explains how to repair that concern.
• 11017266Apr 16, 2025Other or unknown. This Preliminary information communicates a possible retainer ring dis-lodged for a DTC P2714, may not have reverse as well.
• 11017257Apr 16, 2025Other or unknown. This Preliminary information communicates how to recover the Image Processing Module.
• 11019325Apr 15, 2025Exterior lighting, Steering. This informational bulletin provides information on the turn signal stalk not cancelling and/or mis cancelling.
• 11019378Apr 12, 2025Fuel system, Engine. This service bulletin provides a procedure to replace the FPDCM if found to cause customers concerns of Crank No Start, Stalling, Malfunction Indicator Lamp (MIL) Illuminated – DTC P023F or P129F Set.
• 11016990Apr 12, 2025Other or unknown. This Preliminary information communicates a "Forward Collision System Reduced" message displayed on the DIC when the Forward Automatic Braking has been set to the "Alert" setting. This is normal when the FAB has been set to "Alert".
• 11016986Apr 11, 2025Other or unknown. This Preliminary information communicates to the technicians that this audio concern is a software issue and to not replace any parts at this time.
• 11019017Apr 10, 2025Electrical system. This bulletin provides a procedure on how to check for a battery drain utilizing the Picoscope and how to measure the load on the system that may be causing a drain.
• 11017839Apr 8, 2025Other or unknown. This warranty administration bulletin provides policy information for GM courtesy transportation and roadside assistance programs.
• 11016977Apr 8, 2025Other or unknown. This Preliminary information communicates a diagnostic tip for a thump, click, pop, clunk type noise that is heard from the front end. Dealers are to inspect for something contacting the grill shutters as they open and close.
• 11016674Apr 4, 2025Other or unknown. This Preliminary information communicates an issues with the odometer being incorrect after a programming event and how the dealership can resolve the issue.
• 11017595Apr 3, 2025Electrical system. This service bulletin provides information on the proper Reflective High Temperature Heat and/or Insulating Tape to use for certain repairs, such as Wiring Harness Repairs.
• 11017244Mar 31, 2025Electrical system. The intent of this service bulletin is to identify aftermarket ALDL or DLC interface devices as potential sources for causing multiple customer concerns that do not have other diagnostic methods to identify them.
• 11017307Mar 29, 2025Seats, Electrical system. Some customers may comment that they do not see any apps on their rear seat infotainment system.
• 11017246Mar 29, 2025Other or unknown. This informational bulletin provides information for dealers/technicians on Customer Education Bulletin for Google Built In Radio.
• 11017247Mar 28, 2025Electrical system. This warranty administration bulletin provides information for dealers/technicians on System Reset and Connector Reconnect Labor Code Numbers.
• 11016178Mar 27, 2025Other or unknown. This Preliminary information communicates recovery procedure after return to dealer message.
• 11017263Mar 25, 2025Engine. 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.
• 11017255Mar 25, 2025Electrical system, Steering, Transmission and drivetrain. This service bulletin helps diagnose/reduce possible CCND issues on Transfer Cases - Service 4WD on DIC, Intermittent Failures, Noise Concerns, Driveline/Steering Vibration/Shudder, Intermittent DTCs/MIL Illuminated, Engagement/Disengagement/Ratcheting Concerns.
• 11017207Mar 21, 2025Electrical system, Other or unknown. This service bulletin provides information for dealers/technicians on Service Programming System (SPS) Error Codes E4398, E4399, E4401, E4403, M4404, M4413, M6954, M6955, E4414, E4423, E4491, E4492, or E6961 and resolution information.
• 11017173Mar 21, 2025Fuel system, Steering, Brakes. This informational bulletin instructs the tech when fuel/fluid is needed to be tested and where it can be sent for analysis.

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