2020 BMW 128i Coupe (E82) L6-3.0L (N51) Diagnostic Trouble Codes ( DTC ): Service instruction
none
2C24
2C24 - P0040
Information saved in
DME
Fault code
2C24 - P0040
Fault text
Oxygen sensors before catalytic converter mixed up
Fault description
O2 Sensor Signals Swapped Bank 1 Sensor 1 / Bank 2 Sensor 1
Condition for fault identification
Test condition:
Monitoring of interchanged O2 sensors
Implausible O2 sensor signal at idle and during highway operation
Engine speed exceeds 288 rpm No overrun cutoff
No fault memories
Terminal condition: Terminal 15, engine on Voltage condition:
none
Condition for fault memory entry
Lambda control for both banks at control limit
Action in service
Replace pre-cat O2 sensors.
Fault effect and breakdown warning
Driver information Warning light: none
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