2020 BMW 128i Coupe (E82) L6-3.0L (N51) Diagnostic Trouble Codes ( DTC ): Service instruction
none
2C27
2C27 - P2195
Information saved in
DME
Fault code
2C27 - P2195
Fault text
Oxygen sensor before catalytic converter, system check
Fault description
O2 Sensor Signal Biased/Stuck Lean (Bank 1 Sensor 1)
Condition for fault identification
Test condition:
After trim control fault; sensor indicates more than 18% too lean
Terminal condition: none Voltage condition:
none
Condition for fault memory entry
Terminal 15, engine on
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
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