Service bulletins for the 2021 Kia Sorento
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.
121 on file from NHTSA, as of 2026-10-19.
About P2181 on the 2021 Kia Sorento: 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: P2181 are shown. Show all
| TSB_ENG257 | 2025-12-10. Service bulletin. ENGINE. TECHNICAL SERVICE BULLETIN: ITM REPLACEMENT AND ECM & TCM LOGIC IMPROVEMENT (CA2508) - This bulletin provides information to replace the Integrated Thermal Management Module (ITM) and then upgrade the Engine Control Module ‘ECM’ and (if applicable) the Transmission Control Module ‘TCM’ system software on certain 2021-2023MY Sorento (MQ4a) vehicles produced from September 09, 2020 through December 19, 2023. The affected vehicles may experience an illuminated Multifunction Indicator Lamp (MIL) ‘ON’ with DTC(s) P218100, P2181F0, and/or P2181F1 stored. This condition may occur due to degradation of the diaphragm inside the ITM. There are no drivability or other symptoms associated with this condition. |
|---|
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.