2C37

2C37 - P2231

Information saved in
DME

Fault code
2C37 - P2231

Fault text
Oxygen sensor before catalytic converter, heater coupling

Fault description
O2 Sensor Signal Circuit Shorted to Heater Circuit (Bank 1
Sensor 1)

Condition for fault identification
Test condition:
Fault not active in ME922T�/ME923
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