Service bulletins for the 2023 GMC Terrain
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.
459 on file from NHTSA, as of 2026-10-19.
About P0300 on the 2023 GMC Terrain: what the code means, and the bulletins and recalls about the same components.
By type
By component
By trouble code
By topic
Only bulletins with trouble code: P0300 are shown. Show all
| 18-NA-020 | 2024-06-18. Service bulletin. ENGINE; STRUCTURE:BODY. This technical bulletin provides a procedure to replace the charge air cooler due to moisture getting inside of it and causing a malfunction indicator lamp illuminated with DTC P0300 and/or P0299/P2227. |
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| 18-NA-020 | 2024-02-23. Service bulletin. STRUCTURE; ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING. This technical bulletin provides a procedure to replace the charge air cooler due to moisture getting inside of it and causing a malfunction indicator lamp illuminated with DTC P0300 and/or P0299/P2227. |
| 18-NA-020 | 2023-11-22. Service bulletin. ENGINE AND ENGINE COOLING; EQUIPMENT; STRUCTURE. This technical bulletin provides a procedure to replace the charge air cooler due to moisture getting inside of it and causing a malfunction indicator lamp illuminated with DTC P0300 and/or P0299/P2227. |
| 18-NA-020 | 2023-11-10. Service bulletin. ELECTRICAL SYSTEM. This technical bulletin provides a procedure to replace the charge air cooler due to moisture getting inside of it and causing a malfunction indicator lamp illuminated with DTC P0300 and/or P0299/P2227. |
| 18-NA-020 | 2023-02-23. Service bulletin. ENGINE AND ENGINE COOLING; STRUCTURE. This technical bulletin provides a procedure to replace the charge air cooler due to moisture getting inside of it and causing a malfunction indicator lamp illuminated with DTC P0300 and/or P0299/P2227. |
| 18-NA-020 | 2023-02-06. Service bulletin. STRUCTURE; ENGINE AND ENGINE COOLING. This technical bulletin provides a procedure to replace the charge air cooler due to moisture getting inside of it and causing a malfunction indicator lamp illuminated with DTC P0300 and/or P0299/P2227. . |
| 18-NA-020 | 2023-01-05. Service bulletin. ENGINE AND ENGINE COOLING; EQUIPMENT; ELECTRICAL SYSTEM. This technical bulletin provides a procedure to replace the charge air cooler due to moisture getting inside of it and causing a malfunction indicator lamp illuminated with DTC P0300 and/or P0299/P2227. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.