2C3B - P2414

2020 BMW 128i Coupe (E82) L6-3.0L (N51) Diagnostic Trouble Codes ( DTC ): Service instruction

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2C3B

2C3B - P2414

Information saved in

DME

Fault code

2C3B - P2414

Fault text

Oxygen sensor before catalytic converter, not connected

Fault description

O2 Sensor Exhaust Sample Error (Bank 1 Sensor 1)

Condition for fault identification

Test condition:

O2 sensor test

O2 sensor indicates lean mixture although engine operates at part or full load

Terminal condition: Terminal 15, engine on Voltage condition:

none

Condition for fault memory entry

O2 sensor voltage >4.8 V at part-load (sensor registers air)

Action in service

Determine whether sensor is corrected threaded into place Check exhaust system for leaks

Check the plug-in connection

Fault effect and breakdown warning

Driver information Warning light: MIL ON