HomeB1BF4 · Code meaning and manufacturer information
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B1BF4

Code meaning and manufacturer information

B1BF4

What does this code mean?

The wording below belongs to the named make and communication. Match the complete code, reporting module, model year and engine before applying it.

A code identifies a detected condition, not a part that must automatically be replaced.

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

Manufacturer communications

1

Original wording in English

TSB_2082613_1

AUDI

Reported code forms B1BF4F3

This bulletin provides information when DTC B1BF4F3 is stored; control unit for low-voltage power distribution.

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Check vehicle applicability

25

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

MakeModelModel year
AudiA52026
AudiA52025
AudiA62026
AudiA6 SPORTBACK E-TRON2027
AudiA6 SPORTBACK E-TRON2025
AudiQ52026
AudiQ52025
AudiQ5 SPORTBACK2026
AudiQ5 SPORTBACK2025
AudiQ6 E-TRON2027
AudiQ6 E-TRON2025
AudiQ6 SPORTBACK E-TRON2027
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Before replacing a part

Record codes and freeze-frame data. Check battery condition, related codes and visible wiring or hose damage. Follow the vehicle's diagnostic procedure and test results before replacing parts.

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Can I keep driving?

A code alone cannot establish whether driving is safe. A flashing malfunction light, severe shaking, overheating, oil-pressure warning or loss of braking or steering needs prompt attention. Stop in a safe place and seek assistance when control or engine safety is affected. Follow the vehicle handbook.