BMW 328i Sedan (E90) L6-3.0L (N51) P code charts 59
Action in service
1) Perform electrical check on sensor wire and power-supply
wires
2) Visual inspection of plug-in contacts (on component and
DME ends) 3) Replace sensor
Fault effect and breakdown warning
Driver information
Warning light:
MIL ON in US versions only
Service instruction
none
(DME) Condition For Fault Memory Entry - None
2C3D - P112C
Information saved in
DME
Fault code
2C3D - P112C
Fault text
Oxygen sensor before catalytic converter, line fault
Fault description
O2 Sensor Negative Current or Positive Current Control
Circuit/Open (Bank 1 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
2C3D - P112C
Information saved in
DME
Fault code
2C3D - P112C
Fault text
Oxygen sensor before catalytic converter, line fault
Fault description
