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TuningBot DTC Database · v4.37.14

P101B P101B - Oxygen Sensor Circuit No Activity Detected Bank 2 Sensor 1

1 manufacturer-specific interpretation across 1 manufacturer in the TuningBot DTC database.

P · PowertrainEmissionsOBD2
Brand pages:BMW

BMW

1 interpretation
P101B
P101B - Oxygen Sensor Circuit No Activity Detected Bank 2 Sensor 1 BMW · emissions Data confidence 62%

The control module detected no activity on the P101B - Oxygen Sensor where a changing signal was expected. This is the manufacturer-specific definition used by BMW.

Related and nearby codes

How to read P101B

P

Powertrain: engine, transmission and driveline systems.

1

Manufacturer-defined range: the meaning can differ between brands.

01B

Specific fault index within the subsystem.

Frequently asked questions about P101B

What does P101B mean?

P101B - Oxygen Sensor Circuit No Activity Detected Bank 2 Sensor 1. The control module detected no activity on the P101B - Oxygen Sensor where a changing signal was expected. This is the manufacturer-specific definition used by BMW.

Is P101B generic or manufacturer-specific?

P101B is a manufacturer-specific code. In this database it is documented for: BMW. The same number can mean something different on other brands.

Can TuningBot remove P101B at file level?

If the fault logic lives in the ECU calibration, yes: our DTC Removal file service disables the specific fault entry and, where the ECU needs it, corrects the checksum too. Not sure whether your case qualifies? Request a free assessment and our engineers will check your ECU file.

Other file services

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