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U2BF3

Code meaning and manufacturer information

U2BF3

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

3

Original wording in English

PIT6129B

BRIGHTDROP, CHEVROLET, GMC

Reported code forms U2BF3

This Preliminary information communicates a program has been released to fix DTCs U2BF2, U2BF3, and/or U2BF6.

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PIT6129A

CHEVROLET, GMC

Reported code forms U2BF3

This Preliminary information communicates a program has been released to fix DTCs U2BF2, U2BF3, and/or U2BF6.

Read communication ↗

PIT6129

CHEVROLET, GMC

Reported code forms U2BF3

This Preliminary information communicates a program has been released to fix DTCs U2BF2, U2BF3, and/or U2BF6

Read communication ↗

Check vehicle applicability

9

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

MakeModelModel year
BrightDropZEVO 4002024
BrightDropZEVO 6002024
BrightDropZEVO 6002023
ChevroletSILVERADO 15002023
ChevroletSILVERADO EV2024
GMCHUMMER EV PICKUP2024
GMCHUMMER EV PICKUP2023
GMCHUMMER EV PICKUP2022
GMCHUMMER EV SUV2024

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.