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Body

B2420

Code meaning and manufacturer information

OBD-II / DTC

Reference meaning

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.

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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Manufacturer communications

1

Original wording in English

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ITB14054 ↗

INFINITI

SERVICE INFORMATION If the auto back door will not operate automatically (operates only in manual mode), first note some conditions that may cause this: * Is DTC B2420 set as "current" in the back door control unit? If the auto back door "CLOSE SW" (close switch) state does not change from ON to OFF after 3 attempts to close the…

Check vehicle applicability

5

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

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MakeModelModel year
InfinitiQX56 ↗2013
InfinitiQX56 ↗2012
InfinitiQX56 ↗2011
InfinitiQX80 ↗2015
InfinitiQX80 ↗2014

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.