CHECK ENGINE LIGHT STAYS ON

NHTSA investigation SQ99021 is a SQ opened on 1999-06-30 and currently closed. The subject of record is KIA KIA, which places this file inside the Office of Defects Investigation queue for KIA. Latest activity on this investigation was logged on 2000-02-02 - NHTSA updates that field whenever an Information Request goes out, a supplement is filed, or a status change is recorded in the public docket.

Investigators summarized the matter as follows: "A monthly Technical Times published by Kia and distributed to dealer technicians identifying a wiring harness problem that could cause connectors C123 and C124 to pull apart slightly during engine load changes. This coul..." Investigations are the early-warning layer of the federal auto-safety system, sitting upstream of formal recalls and defect orders. Whether this one closes without action or escalates into an Engineering Analysis, the full history stays in the ODI archive so researchers, litigators, and buyers can pull the paper trail at any time. Related KIA files, listed below, give context on whether this is an isolated concern or part of a broader pattern across the brand.