What does code B0239 mean?

Q: What does code B0239 mean?

License Plate Lamp Circuit. B0239 is a body control module (BCM) code indicating a fault in the license plate lamp circuit, which is the rear light that illuminates the plate. The BCM monitors the circuit and sets this code when it detects an open, short, or excessive current draw, meaning the lamp may not light when it should.

DTC codes / B02xx · Airbags, seats, doors, lights and comfort systems / B0239

B0239License Plate Lamp Circuit

B0239 is a body control module (BCM) code indicating a fault in the license plate lamp circuit, which is the rear light that illuminates the plate. The BCM monitors the circuit and sets this code when it detects an open, short, or excessive current draw, meaning the lamp may not light when it should.

SystemBody

Code typeGeneric (all makes)

SeverityLow

Fix difficultyDIY

AreaAirbags, seats, doors, lights and comfort systems

Guidance is general and written for all OBD-II vehicles. Exact tests and values vary by model, so confirm the fault before replacing parts.

Reading B0239

BBody: airbags, seats, doors, lights and comfort systems.

0Generic (SAE) code: it means the same thing on every OBD-II vehicle.

2Airbags, seats, doors, lights and comfort systems.

39The exact fault within that area.

Often seen with

B0240 Headlamp Switch Circuit

See it working

How an Automatic Transmission Works, Gear by Gear

Still stuck?

Ask the forum How to read codes