HYUNDAI

25-01-068H TSB

Manufacturer communications

Publication date: 2025-10-01
Received by NHTSA: 2025-10-03
NHTSA record numbers: 11023663

Manufacturer summary

Original wording in English

Certain Tucson Hybrid (NX4 HEV) and Tucson Plug-in Hybrid (NX4 PHEV) vehicles may exhibit a condition where the Oil Pump Unit (OPU) prevents the Ready Lamp from turning on. Some vehicles may also display DTC U100787 (malfunction on CAN communication). This bulletin provides instructions to update the Powertrain Control Unit (PCU) software.

NHTSA manufacturer communications ↗

Reported code forms

U1007

Manufacturer wording

Source wording can vary by vehicle and suffix. It is shown as written, not as a universal diagnosis.

HyundaiU100787

malfunction on CAN communication

NHTSA 11023663 · NHTSA 11025953 · NHTSA 11025961

Check vehicle applicability

A listed vehicle is a research lead. Confirm the engine, production range and software in the manufacturer's information.

Make	Model	Model year
Hyundai	TUCSON HYBRID	2025
Hyundai	TUCSON PLUG-IN HYBRID	2025

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