P3023
2C42 – P3023
Information saved in
DME
Fault code
2C42 – P3023
Fault text
DME, internal fault: oxygen sensor 2
Fault description
O2 Sensor Disturbed SPI Communication to WRAF-IC
(Bank 2 Sensor 1)
Condition for fault identification
287
Test condition:
Monitoring of O2 sensor chip
No fault memories
Terminal condition: Terminal 15 ON
Voltage condition:
none
Condition for fault memory entry
Self-diagnosis processor chip: Communications fault with
绀?
Action in service
Replace DME
Fault effect and breakdown warning
