NHTSA Complaint #11710618 — 2025 HYUNDAI SANTA FE
POWER TRAIN issue reported to NHTSA
Complaint Details
| ODI Number | 11710618 |
| Vehicle | 2025 HYUNDAI SANTA FE |
| Component | POWER TRAIN |
| Date of Incident | |
| Date Filed | |
| Mileage | N/A miles |
| Crash | No |
| Fire | No |
| Injuries | 0 |
| Deaths | 0 |
| Vehicle Towed | No |
| State | TX |
Consumer Description
My 2025 Hyundai Santa Fe Hybrid has recurring powertrain communication failures starting at only 67 miles and continuing at 5,300 and 6,200 miles. Diagnostic trouble codes include U010100 (lost communication with engine control module) and multiple U100xxx codes related to transmission and CAN bus communication failures. These indicate loss of communication between critical control modules. The issue has happened multiple times and remains unresolved. I am concerned this could cause drivability problems, warning lights, or sudden loss of power. This appears to be a system-level defect in the vehicle’s communication network.
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