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Official recall record

LEXUS LEXUS NX450h+ — DC-DC converter may have been damaged during production

DVSA (UK) · 2023-08-21 · United KingdomSafety recall
Issuing authority
DVSA (UK)
Alert date
2023-08-21
Country of alert
United Kingdom
Alert level
Safety recall
Alert type
recall
Brand on record
LEXUS

What the authority reported

The plug-in hybrid system of the subject vehicles includes a DC-DC converter that reduces the voltage of the electricity from the Hybrid Vehicle (HV) battery in order to charge the vehicle�s 12V battery. Contained within the DC-DC converter is a current rectifying module that is installed on the circuit board. Some of these modules may have been damaged during production by the supplier and could fail so creating a short circuit. This allows current from the 12V battery to continue to flow through the module and the module will generate heat. Under certain conditions if excessive heat is generated components within and outside the DC-DC converter could sustain thermal damage increasing the risk of a vehicle fire. Remedy: Replace the DC-DC Converter.

What to do

Follow the instructions in the official notice — recall remedies (refund, repair, replacement, or disposal) are defined by the issuing authority and the responsible business, and they differ per recall. Do not rely on summaries, including this one.

Verify at the source: DVSA (UK) — official record →
Record last checked against the registry on 2026-11-09.

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Other recalls from this brand

All 24 official recall notices naming Lexus on this site →

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