Service bulletins for the 2024 Chevrolet Blazer
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.
844 on file from NHTSA, as of 2026-10-19.
By type
By component
By trouble code
By topic
Only bulletins with component: Fuel system are shown. Show all
| 25-NA-044 | 2025-10-27. Service bulletin. ELECTRICAL SYSTEM; FUEL/PROPULSION SYSTEM. This service bulletin provides information for dealers/technicians on SPS2 Hybrid/EV Battery Data Retrieval for Service High Voltage DTCs. |
|---|---|
| 24-NA-202 | 2025-10-27. Service bulletin. ELECTRICAL SYSTEM; FUEL/PROPULSION SYSTEM. This service bulletin provides dealers with Warranty Administration information on North American Charging Standard (NACS) DC Adapter Warranty Claim Information. |
| 18-NA-180 | 2025-10-16. Service bulletin. ELECTRICAL SYSTEM; FUEL/PROPULSION SYSTEM. This Warranty Administration service bulletin provides Lithium-Ion battery Exchange Process and Transaction Submission information. |
| 23-NA-151 | 2025-10-02. Service bulletin. ELECTRICAL SYSTEM; FUEL/PROPULSION SYSTEM. This service bulletin and criteria within are to determine the internal state of the High Voltage Battery and core return shipping method. |
| PIE0753I | 2025-09-30. Service bulletin. ELECTRICAL SYSTEM; FUEL/PROPULSION SYSTEM. This engineering information (EI) will assist GM to recover a small number of electric vehicle battery packs from customer-owned vehicles in the field for further engineering study and analysis. |
| 22-NA-083 | 2025-09-27. Service bulletin. FUEL/PROPULSION SYSTEM; ELECTRICAL SYSTEM. This service bulletin provides Requirements for Replacement of the Dual Mode Cord Set Under Warranty. |
| 18-NA-180 | 2025-09-26. Service bulletin. ELECTRICAL SYSTEM; FUEL/PROPULSION SYSTEM. This Warranty Administration service bulletin provides Lithium-Ion battery Exchange Process and Transaction Submission information. |
| PIE0836 | 2025-09-23. Service bulletin. ELECTRICAL SYSTEM; FUEL/PROPULSION SYSTEM. This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to the Malfunction Indicator Lamp (MIL) illuminated on the Driver Information Center (DIC) and/or a no-start condition following a recent vehicle update. |
| 24-NA-143 | 2025-06-18. Service bulletin. ELECTRICAL SYSTEM; FUEL/PROPULSION SYSTEM. This service bulletin provides information for dealers/technicians on Software Updates on Ultium Vehicles. |
| 23-NA-151 | 2025-05-06. Service bulletin. ELECTRICAL SYSTEM; FUEL/PROPULSION SYSTEM. This service bulletin and criteria within are to determine the internal state of the High Voltage Battery and core return shipping method. |
| 23-NA-036 | 2025-05-02. Service bulletin. ELECTRICAL SYSTEM; FUEL/PROPULSION SYSTEM. This service bulletin provides diagnostic information for dealers/technicians on an Amber Light on Dual Level Portable Charge Cord Set. |
| 24-NA-143 | 2025-04-28. Service bulletin. ELECTRICAL SYSTEM; FUEL/PROPULSION SYSTEM. This service bulletin provides information for dealers/technicians on Software Updates on Ultium Vehicles. |
| 25-NA-065 | 2025-04-24. Service bulletin. STEERING; SERVICE BRAKES; FUEL/PROPULSION SYSTEM. This informational bulletin instructs the tech when fuel/fluid is needed to be tested and where it can be sent for analysis. |
| 24-NA-143 | 2025-03-14. Service bulletin. FUEL/PROPULSION SYSTEM; ELECTRICAL SYSTEM. This service bulletin provides information for dealers/technicians on Software Updates on Ultium Vehicles. |
| 22-NA-083 | 2025-03-12. Service bulletin. FUEL/PROPULSION SYSTEM; ELECTRICAL SYSTEM. This service bulletin provides Requirements for Replacement of the Dual Mode Cord Set Under Warranty. |
| PIE0753H | 2025-03-07. Service bulletin. ELECTRICAL SYSTEM; FUEL/PROPULSION SYSTEM. This engineering information (EI) will assist GM to recover a small number of electric vehicle battery packs from customer-owned vehicles in the field for further engineering study and analysis. |
| 25-NA-044 | 2025-03-06. Service bulletin. FUEL/PROPULSION SYSTEM; ELECTRICAL SYSTEM. This service bulletin provides information for dealers/technicians on SPS2 Hybrid/EV Battery Data Retrieval for Service High Voltage DTCs. |
| 24-NA-015 | 2025-03-06. Service bulletin. ELECTRICAL SYSTEM; FUEL/PROPULSION SYSTEM. This service bulletin provides Hybrid/EV Charging Issue Information and Data Collection Worksheet. |
| PIP5981D | 2025-03-02. Service bulletin. FUEL/PROPULSION SYSTEM; POWER TRAIN. This Preliminary information communicates ordering process for the front and rear drive units are on restriction for all listed EV vehicles for engineering review. |
| PIT6346 | 2025-03-02. Service bulletin. FUEL/PROPULSION SYSTEM. This Preliminary information communicates that a vehicle may come to the dealer with a service high voltage message. The dealer is instructed to check for code B2BAA and if it is found to reprogram the Battery Energy Control Module. |
| 22-NA-215 | 2025-02-20. Service bulletin. ELECTRICAL SYSTEM; FUEL/PROPULSION SYSTEM. This warranty administration bulletin provides policy information for chargers that are covered under the terms of a 3-year Limited Parts Warranty from the date of purchase. |
| PIP6041 | 2025-02-10. Service bulletin. FUEL/PROPULSION SYSTEM. This Preliminary information communicates to dealer technicians the need to reprogram all drive motor control modules on the listed vehicles. It also includes several known scenerios the vehicle may experience without the latest software, but it is not intended to be compreshensive since software is continuously improved. |
| PIE0753G | 2025-02-08. Service bulletin. FUEL/PROPULSION SYSTEM; ELECTRICAL SYSTEM. This engineering information (EI) will assist GM to recover a small number of electric vehicle battery packs from customer-owned vehicles in the field for further engineering study and analysis. |
| 18-NA-180 | 2025-01-30. Service bulletin. ELECTRICAL SYSTEM; FUEL/PROPULSION SYSTEM. This Warranty Administration service bulletin provides Lithium-Ion battery Exchange Process and Transaction Submission information. |
| PIT6257A | 2025-01-20. Service bulletin. FUEL/PROPULSION SYSTEM. This Preliminary information communicates that a vehicle may have P0534 set. There is a possibility that the circuits may have been swapped for temperature sensors 5 and 6. The technician is instructed to inspect the circuits at sensors 5 and 6 and if they are incorrect to move them to the correct terminals at the Battery Energy Control Module and to label the circuits. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.