HYUNDAI

25-01-068H-1 DCS

Manufacturer communications

Publication date: 2025-11-26
Received by NHTSA: 2025-12-02
NHTSA record numbers: 11025961

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). Technical Service Bulletin (TSB) 25-01-068H-1 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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