2019 BMW 128i Convertible (E88) L6-3.0L (N51) A L L Diagnostic Trouble Codes ( DTC ): Manufacturer Code Charts Page 136
(DME) Condition For Fault Memory Entry - None
2C3E - P112D
Information saved in
DME
Fault code
2C3E - P112D
Fault text
Oxygen sensor before catalytic converter 2, line fault
Fault description
O2 Sensor Negative Current or Positive Current Control
Circuit/Open (Bank 2 Sensor 1)
Condition for fault identification
Test condition:
Not supported
Terminal condition: none
Voltage condition:
none
Condition for fault memory entry
none
Action in service
none
Fault effect and breakdown warning
Driver information
Warning light:
none
Service instruction
none
(DME) Condition For Fault Memory Entry - 1
2C3E - P112D
Information saved in
DME
Fault code
2C3E - P112D
Fault text
Oxygen sensor before catalytic converter 2, line fault
Fault description
O2 Sensor Negative Current or Positive Current Control
Circuit/Open (Bank 2 Sensor 1)
Condition for fault identification
Test condition:
O2 sensor wiring monitor
O2 sensor signal freezes.
No fault memories
Drive at 50 - 80 km/h at moderate engine speed
Terminal condition: Terminal 15, engine on
Voltage condition:
none
Condition for fault memory entry
Voltage seizes at 2V (Lambda = 1) OR voltage < 2.1 V with
overrun injection deactivation active
