2C2C - P2198

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

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2C2C

2C2C - P2198

Information saved in

DME

Fault code

2C2C - P2198

Fault text

Oxygen sensor before catalytic converter 2, system check

Fault description

O2 Sensor Signal Biased/Stuck Rich (Bank 2 Sensor 1)

Condition for fault identification

Test condition:

Oxygen sensor before catalytic converter 2, system check End of start phase

O2 sensor drifts toward rich

Terminal condition: Terminal 15, engine on Voltage condition:

none

Condition for fault memory entry

After trim control fault; sensor indicates more than 18% too rich

Action in service

Check sensor wiring for short circuit; otherwise replace the suspect sensor

Fault effect and breakdown warning

Driver information Warning light: MIL ON