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Service bulletins for the 2023 Chevrolet Tahoe

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

1079 on file from NHTSA, as of 2026-10-19.

By type

By component

By trouble code

By topic

Bulletins, newest first
23-NA-1832024-09-12. Service bulletin. ELECTRICAL SYSTEM; UNKNOWN OR OTHER. This technical bulletin provides repair information to correct a customer concern of Radio Software Version Y171 – Multiple Updates.
23-NA-0442024-09-11. Service bulletin. ELECTRICAL SYSTEM; ENGINE. This service bulletin provides information on AGM batteries that require less frequent charging in storage.
19-NA-2372024-09-11. Service bulletin. ENGINE. This service bulletin explains how to identify possible DEF system contamination.
PIT6151A2024-09-11. Service bulletin. UNKNOWN OR OTHER. This Preliminary information communicates to the technician that GM is aware of this concern and to update the Google maps application through the playstore.
PIT6101H2024-09-11. Service bulletin. ELECTRICAL SYSTEM. This Preliminary information communicates Engineering is investigating a no audio issue.
PIT6193A2024-09-11. Service bulletin. UNKNOWN OR OTHER. This Preliminary information communicates to dealer instructions for diagnosing Google Maps concerns
PIT6144B2024-09-11. Service bulletin. SUSPENSION. 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.
PIT5509L2024-09-11. Service bulletin. SERVICE BRAKES. 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 trailer is connected to the vehicle. Diagnostic Trouble Code C1114 set in the Chassis Control Module. Chassis Control Module has to determine the type of trailer brake system that is being used. The Chassis Control Module can be sensitive to a variety of trailer wiring issues. The technician will need to make a trailer tester using Electric Trailer Brake Magnets and 7-way trailer connector to determine if it is a vehicle or trailer issue. If the concern is not duplicated with the tester installed, the vehicle is operating correctly and the focus should be on the trailer wiring or 7 way connector.
PIT62122024-09-11. Service bulletin. SERVICE BRAKES. This Preliminary information communicates an issue with the Hydrastar Electric Over Hydraulic trailer brake system causing a voltage spike into the trucks electrical system which is causing DTC C1114 to set.
N242435631-032024-09-11. Service campaign. ELECTRICAL SYSTEM. Customer Satisfaction Program - certain vehicles may have a condition where the battery is at risk for a drain following an over-the-air update. Dealers are to reprogram the serial data gateway module and the radio.
PIT62092024-09-10. Service bulletin. UNKNOWN OR OTHER. This Preliminary information communicates recovery procedure after return to dealer message.
PIP5984D2024-09-09. Service bulletin. ENGINE. This Preliminary information communicates the part ordering restriction of the 6.2L L87 engine.
PIT6101G2024-09-09. Service bulletin. UNKNOWN OR OTHER. This Preliminary information communicates Engineering is investigating a no audio issue.
PIT62052024-09-09. Service bulletin. UNKNOWN OR OTHER. This Preliminary information communicates how to repair a false message due to someone replacing dummy module with a module that is incorrect for this vehicle options.
PIT6134B2024-09-06. Service bulletin. SERVICE BRAKES. This Preliminary information communicates an issue with premature brake pad life and engineering is working on release new pad lining material.
PIP5984C2024-09-06. Service bulletin. ENGINE. This Preliminary information communicates the part ordering restriction of the 6.2L L87 engine.
PIP5964D2024-09-06. Service bulletin. ENGINE. This Preliminary information communicates a vehicle may come to the dealer with a complaint of no start, stalling, rough idle, no acceleration, loss of power, erratic shifting, fuel gauge inoperative, MIL illuminated with various codes stored. Technicians are directed to replace the K111FPDCM if any of these conditions can be validated and code P023F or P129F is found.
PIT3271P2024-09-06. Service bulletin. UNKNOWN OR OTHER. This Preliminary Information communication provides information to the technician about changing the tire and wheel size on vehicles. General Motors will only support a tire calibration for tires that have been sized, tested and designed for the vehicle in question and its applications. Technician should not use the information that is provided by the antilock braking system tire size selection.
24-NA-0432024-09-06. Service bulletin. FUEL/PROPULSION 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.
23-NA-1412024-09-06. Service bulletin. ENGINE. 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.
16-NA-3802024-09-06. Service bulletin. ENGINE. 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.
16-NA-2442024-09-05. Service bulletin. ENGINE. This informational bulletin provides information on Diesel Exhaust Fluid (DEF) and the proper use of the DEF system.
16-NA-2222024-09-05. Service bulletin. ENGINE. This bulletin provides information on Engine Concerns that could result from lack of scheduled maintenance, improper service or aftermarket calibrations.
22-NA-1282024-09-05. Service bulletin. ENGINE; FUEL/PROPULSION 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.
09-06-04-026Y2024-09-05. Service bulletin. ELECTRICAL SYSTEM; ENGINE. This bulletin provides information on identifying Non-GM Engine Calibrations for Gasoline Engines using the Tech 2 or GDS 2.

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.