P3025

2C4C - P3025

Information saved in
DME

Fault code
2C4C - P3025

Fault text
Control module, internal fault: oxygen sensor module 2

Fault description
O2 Sensor Initialization Error WRAF-IC (Bank 2 Sensor 1)

Condition for fault identification
Test condition:
Communications fault between ECU and CJ125 chip
(initialization register)
Terminal condition: Terminal 15 ON
Voltage condition:
battery voltage<11V oder Ubatt > 16 volts

Condition for fault memory entry
Fault monitoring criterion must remain present over 2 sec.

Action in service
Replace control module

Fault effect and breakdown warning


Driver information
Warning light:
MIL on (in 2nd driving cycle);

Service instruction
none