2C2C

2C2C - P2198

Information saved in
DME

Fault code
2C2C - P2198

Fault text
Oxygen sensor before catalytic converter 2, system check

Fault description
O2 Sensor Signal Biased/Stuck Rich (Bank 2 Sensor 1)

Condition for fault identification
Test condition:
Oxygen sensor before catalytic converter 2, system check
End of start phase
O2 sensor drifts toward rich
Terminal condition: Terminal 15, engine on
Voltage condition:
none

Condition for fault memory entry
After trim control fault; sensor indicates more than 18% too
rich

Action in service
Check sensor wiring for short circuit; otherwise replace the
suspect sensor

Fault effect and breakdown warning


Driver information
Warning light:
MIL ON

Service instruction
none