(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
none

Condition for fault memory entry
none

Action in service
1. Visual inspection of wires, DME plug and oxygen sensor
for damage
2. Inspect wiring
3. Check plug-in connections linking DME <=> Wiring
harness <=> Check Bank 2 precat oxygen sensor
4. Replace oxygen sensor
5. Replace DME

Fault effect and breakdown warning


Driver information
none

Service instruction
none