2023 Chevrolet Tahoe Technical Service Bulletins

1,081 technical service bulletins (TSBs) are on record for the 2023 Chevrolet Tahoe. 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.

• 11006500Aug 16, 2024Other or unknown, Electrical system. This Preliminary Information communication provides information to the technician with additional information on the functionality of Lane Keep Assist. Starting with 2016 model year Lane Keep Assist Regular Production Option Code (UHX) replaced Lane Departure Warning Regular Production Option Code (UFL). Lane Keep Assist is designed to assist the driver in keeping the vehicle from drifting out of a driving lane…
• 11006498Aug 16, 2024Suspension. This Preliminary information communicates an issue with a clunk pop squeak type noise from the rear of the vehicle and dealerships are to inspect the torque of the rear sway bar links.
• 11006497Aug 16, 2024Other or unknown, Electrical system. This Preliminary information communicates an issue with the SES MIL and DTC P062B and engineering is working on a fix.
• 11006484Aug 16, 2024Engine. This Preliminary information communicates the part ordering restriction of the 6.2L L87 engine.
• 11006447Aug 16, 2024Engine. This Preliminary information communicates the part ordering restriction of the 6.2L L87 engine.
• 11006424Aug 15, 2024Suspension. This Preliminary information communicates an issue with how to properly inspect and ensure the air lines for the air suspension system are fully seated.
• 11006423Aug 15, 2024Suspension. This Preliminary information communicates an issue with how to properly inspect and ensure the air lines for the air suspension system are fully seated.
• 11006422Aug 15, 2024Other or unknown. This Preliminary information communicates a software anomaly that will cause a Forward Collision Unavailable message and a possible orange telltale on the DIC and to update vehicle software to resolve the concern.
• 11006420Aug 15, 2024Other or unknown. This Preliminary information communicates that GM is aware of and working on the audio issue.
• 11006414Aug 15, 2024Suspension. This Preliminary information communicates the proper component naming and labor operation codes for the air leveling system RPO F47and the Electronic Suspension Control System RPO Z95
• 11006405Aug 15, 2024Engine. This Preliminary information communicates the part ordering restriction of the 6.2L L87 engine.
• 11007725Aug 14, 2024Electrical system, Other or unknown. This technical bulletin provides repair information to correct a customer concern of Radio Software Version Y171 – Multiple Updates.
• 11006357Aug 14, 2024Electrical system, Other or unknown. This Preliminary information communicates a diagnostic tip on how to resolve a issue if the serial data authentication configuration did not complete correctly.
• 11006356Aug 14, 2024Suspension. This Preliminary information communicates A diagnostic tip from root causing DTC: C1197 caused by a pinched air inlet hose to the suspension compressor air leveling system.
• 11006334Aug 13, 2024Other or unknown, Electrical system. This Preliminary information communicates the possibility of their IP speaker(s) either blown or inoperative.
• 11006331Aug 13, 2024Electrical system. This Preliminary information communicates Engineering is investigating a no audio issue.
• 11006320Aug 13, 2024Other or unknown. This Preliminary information communicates to technicians that a calibration to correct a P138C is forthcoming and to not attempt repairs.
• 11006316Aug 13, 2024Electrical system. This Preliminary information communicates an issue with premature brake pad life and engineering is working on release new pad lining material.
• 11006313Aug 13, 2024Other or unknown. This Preliminary information communicates a diagnostic tip on how to resolve a issue if the serial data authentication configuration did not complete correctly.
• 11006310Aug 13, 2024Electrical system. This Preliminary information communicates an issue with high resistance in the glass breakage loop that could cause a dead battery or unwanted theft alarm. Dealers are to inspect the glass breakage loop.
• 11006304Aug 13, 2024Other or unknown, Electrical system. This Preliminary information communicates that GM is aware of and working on the audio issue.
• 11006294Aug 13, 2024Electrical system. This Preliminary information communicates a diagnostic tip on how to resolve a issue if the serial data authentication configuration did not complete correctly.
• 11006293Aug 13, 2024Electrical system. This Preliminary information communicates to the dealer an issue where the vehicle's engine may crank over unprompted and not start afterward. This is the result of hooking up the Active Fuel Injector Tool incorrectly on vehicles equipped with a direct fuel injection system. This Preliminary information instructs the dealer of a repair kit they received that will prevent this issue when installed correctly.
• 11006286Aug 13, 2024Electrical system. This Preliminary information communicates how to change a regular vehicle to fleet mode that was not built with the option.
• 11006274Aug 13, 2024Electrical system. This Preliminary Information communication provides information to the technician about vehicles that the speedometer needle appears to be inaccurate. Dealer should advise the customer the specification for speedometer needle accuracy is +/- 2 MPH at any given speed when looking straight at the needle.
• 11006271Aug 13, 2024Electrical system. This Preliminary information communicates and issues with Fuse F49 blowing causing a SES MIL and a Service Theft Deterrent System message displayed in the DIC. It instructions dealership to inspect the 12 volt power accessory port for shorting out.
• 11006269Aug 13, 2024Suspension. 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.
• 11007718Aug 12, 2024Engine. This service bulletin explains how to identify possible DEF system contamination.
• 11006228Aug 12, 2024Electrical system, Other or unknown. This Preliminary information communicates that GM is aware of and working on the audio issue.
• 11006875Aug 10, 2024Engine, Fuel system, Electrical system. This bulletin provides a procedure to replace the FPDCM if found to cause customers concerns of Crank No Start, Stalling, Loss of Power, Fuel Gauge Inoperative/Erratic, MIL Illuminated - DTC P023F and/or P129F Set.
• 11007202Aug 9, 2024Fuel system. This bulletin advises the tech that there are extra characters on the fuel injector and to ignore the last numbers when identifying flow rate.
• 11007154Aug 9, 2024Engine. This service bulletin provides a diagnostic aid procedure on how to perform a quick test to check if the DPF is the cause of excessive soot from the tailpipe.
• 11007123Aug 9, 2024Engine. This informational bulletin provides information on Diesel Exhaust Fluid (DEF) and the proper use of the DEF system.
• 11007118Aug 9, 2024Engine, Fuel system. This technical bulletin provides a procedure to test the intake manifold for any possible leaks that may cause the customers concern of a Malfunction Indicator Lamp (MIL) Illuminated - DTC P0172, P026D, P2459, and/or P2A00 Set.
• 11006812Aug 9, 2024Electrical system, Other or unknown. This technical bulletin provides repair information to correct a customer concern of Radio Software Version Y172 – Multiple Updates for IOK.
• 11006714Aug 9, 2024Engine. This Informational bulletin advises the technician of possible areas the oil may leak from the engine.
• 11006682Aug 9, 2024Other or unknown. This service bulletin provides information on a guide to help reduce repeat visits for the same customer concern.
• 11007155Aug 8, 2024Engine. This informational bulletin advises the technician that the engine and related parts will be debited if found that the tech did not properly prepare the engine block from dirt and debris in bolt holes or if found that the block was damaged by the tech.
• 11007115Aug 8, 2024Engine. This service bulletin provides information on Internal Engine Noise or Damage After Oil Filter Replacement.
• 11006865Aug 8, 2024Other or unknown. Informational bulletin on Information on Paper Owners Manual for US Territories and Puerto Rico.
• 11007121Aug 7, 2024Engine. This bulletin provides information on Engine Concerns that could result from lack of scheduled maintenance, improper service or aftermarket calibrations.
• 11007095Aug 7, 2024Fuel system. This bulletin provides information on the TOP TIER Detergent Gasoline Licensed Brands and the TOP TIER Diesel Fuel Licensed Brands that are recommended for use in all GM vehicles and the TOP TIER FUELS website URL.
• 11006670Aug 7, 2024Engine. This service bulletin advises about the possible issues that may occur when using a scotch brite pad or highly abrasive disk on gasket sealing surfaces or reused parts.
• 11007116Aug 6, 2024Electrical system, Engine. This bulletin provides information on identifying Non-GM Engine Calibrations for Gasoline Engines using the Tech 2 or GDS 2.
• 11007091Aug 5, 2024Engine. This service bulletin provides guidelines and diagnostic/repair information to technicians regarding vehicle engine oil consumption.
• 11006604Aug 3, 2024Fuel system, Engine. This service bulletin provides service information for customer concerns of an in-tank fuel pump whining noise, engine hard to start and/or stalls and Malfunction Indicator Lamp (MIL) is illuminated that may be caused by gelling of fuel in cold temperatures.
• 11006647Aug 2, 2024Engine. This bulletin advises the technician of a possible kinked coolant hose that might be causing the customers concern of a Malfunction Indicator Lamp (MIL) Illuminated - DTC P026A Set.
• 11006654Aug 1, 2024Body and structure, Suspension. This bulletin provides a service procedure to replace the sway bar bracket retainers if found the cause of the clunking noise from front of vehicle.
• 11006645Aug 1, 2024Electrical system, Engine. This informational bulletin provides a way for the technician to identify if the ECM has been modified.
• 11006644Aug 1, 2024Other or unknown. This Warranty Administration service bulletin provides information for dealers/Service advisors on when and how to submit a Pre-Repair Authorization (PRA).

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