2C2B

2C2B - P2196

Information saved in
DME

Fault code
2C2B - P2196

Fault text
Oxygen sensor before catalytic converter, system check

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

Condition for fault identification
Test condition:
After trim control fault; sensor indicates more than 18% too
rich
Terminal condition: none
Voltage condition:
none

Condition for fault memory entry
Terminal 15, engine on

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