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Audi on-board charger (ocdc) may fail and stop charging the 12-volt battery, which can result in a loss of drive power.

NHTSA campaign 25V-125 · Reported February 28, 2025 · 13,769 vehicles affected

AFFECTED MODELS
Audi Q4 and ID.4
VEHICLES AFFECTED
13,769
REMEDY
Dealers will replace the OCDC, free of charge.
COST
Free

The short version

Volkswagen Group of America, Inc. reported a problem with the propulsion system dc/dc converter. Here is what owners need to know.

WHAT

The on-board charger (OCDC) may fail and stop charging the 12-volt battery, which can result in a loss of drive power.

WHY IT MATTERS

A loss of drive power increases the risk of a crash.

WHAT TO DO

Take it to a dealer — they will replace the OCDC, free of charge.

Affected vehicles

These model years are included in NHTSA campaign 25V-125.

YEAR RANGEMODEL
2024–2025Audi Q4
2024Volkswagen ID.4

What changed

Newest first. The record shows both when the recall began and what has changed since.

  1. Recall reported to NHTSA. LATEST

Drive one of these? Check your VIN to see if your specific vehicle is affected.

Check your VIN

What this record means

Data from the NHTSA recall database. A clean VIN check means no open federal recalls for that vehicle — not that it never had one.

Not affiliated

MyAutoRecalls is not affiliated with Volkswagen Group of America, Inc. or the National Highway Traffic Safety Administration.