Skip to content

Powertrain

P1B3F

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.

Narrow by vehicle

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.

Scan worksheet →

Manufacturer communications

1

Original wording in English

View all ↗

17-NA-038 ↗

CHEVROLET

This technical bulletin provides a procedure to replace the High Voltage Battery Control Wiring Junction Block for vehicles with the condition of Malfunction Indicator Lamp On - DTC P1B3F High Voltage System Interlock Circuit 2 Low Voltage due to the High Voltage System Interlock Connector Retaining Hooks installed in the High V…

Check vehicle applicability

1

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

View all ↗

MakeModelModel year
ChevroletBOLT EV ↗2017

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.