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Service bulletins for the 2023 Chevrolet Suburban

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.

1037 on file from NHTSA, as of 2026-10-19.

By type

By component

By trouble code

By topic

Bulletins, newest first
20-NA-0822024-08-16. Service bulletin. ENGINE. This informational bulletin explains why more DEF is being used in diesel engines due to new emission standards.
PIP5984A2024-08-16. Service bulletin. ENGINE. This Preliminary information communicates the part ordering restriction of the 6.2L L87 engine.
PIE0777A2024-08-16. Service bulletin. SEATS. This engineering information (EI Lite) ends the need for further information from technicians using the Field Product Reporting (FPR) app process where a customer comments on the second row seat is not folding, latching, seat binds, and/or is difficult to fold or open, that drives a warrantable item type of repair on any of the listed Models.
PIT6015B2024-08-15. Service bulletin. SUSPENSION. This Preliminary information communicates an issue with how to properly inspect and ensure the air lines for the air suspension system are fully seated.
PIT5801D2024-08-15. Service bulletin. SUSPENSION. This Preliminary information communicates an issue with how to properly inspect and ensure the air lines for the air suspension system are fully seated.
PIT6118A2024-08-15. Service bulletin. UNKNOWN OR OTHER. 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.
24-NA-1412024-08-15. Service bulletin. POWER TRAIN. GM is receiving damaged (cracked or broken) transmission cores returned to the reman facilities. The damage is being caused either in the removal process by the technician, or inadequate packaging or shipping. This bulletin advises the dealers to be more careful not to damage the transmissions during removal and to package the core properly for return.
PIT6107F2024-08-15. Service bulletin. UNKNOWN OR OTHER. This Preliminary information communicates that GM is aware of and working on the audio issue.
PIT5923B2024-08-15. Service bulletin. SUSPENSION. 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
24-NA-1392024-08-15. Service bulletin. ELECTRICAL SYSTEM; ENGINE; FUEL/PROPULSION 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.
24-NA-1002024-08-15. Service bulletin. ELECTRICAL SYSTEM; UNKNOWN OR OTHER. This technical bulletin provides repair information to correct a customer concern of Radio Software Version Y172 – Multiple Updates for IOK.
PIP59842024-08-15. Service bulletin. ENGINE. This Preliminary information communicates the part ordering restriction of the 6.2L L87 engine.
20-NA-0382024-08-15. Service bulletin. FUEL/PROPULSION SYSTEM. This informational bulletin explains the difference in AFM and DFM engines and what is and is not activated during this occurrence.
18-NA-2792024-08-14. Service bulletin. UNKNOWN OR OTHER; ELECTRICAL SYSTEM. This service bulletin provides information for dealers/technicians on the process to disable and enable passive unlocking.
PIT5832P2024-08-14. Service bulletin. UNKNOWN OR OTHER; ELECTRICAL SYSTEM. This Preliminary information communicates a diagnostic tip on how to resolve a issue if the serial data authentication configuration did not complete correctly.
PIT6144A2024-08-14. 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.
PIT6101E2024-08-13. Service bulletin. ELECTRICAL SYSTEM. This Preliminary information communicates Engineering is investigating a no audio issue.
PIP5965A2024-08-13. Service bulletin. UNKNOWN OR OTHER. This Preliminary information communicates to technicians that a calibration to correct a P138C is forthcoming and to not attempt repairs.
PIT6134A2024-08-13. Service bulletin. ELECTRICAL SYSTEM. This Preliminary information communicates an issue with premature brake pad life and engineering is working on release new pad lining material.
PIT5832N2024-08-13. Service bulletin. UNKNOWN OR OTHER. This Preliminary information communicates a diagnostic tip on how to resolve a issue if the serial data authentication configuration did not complete correctly.
PIT5993B2024-08-13. Service bulletin. ELECTRICAL 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.
PIT6107E2024-08-13. Service bulletin. UNKNOWN OR OTHER; ELECTRICAL SYSTEM. This Preliminary information communicates that GM is aware of and working on the audio issue.
PIT5832M2024-08-13. Service bulletin. ELECTRICAL SYSTEM. This Preliminary information communicates a diagnostic tip on how to resolve a issue if the serial data authentication configuration did not complete correctly.
12-01-37-001G2024-08-13. Service bulletin. ENGINE; ELECTRICAL SYSTEM. This service bulletin provides information to dealership personnel on a new refrigerant (R1234yf) for A/C service.
00-03-10-002M2024-08-13. Service bulletin. WHEELS. This service bulletin provides information on Chemical Staining, Pitting, Corrosion and/or Spotted Appearance of Chromed Aluminum Wheels.

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