U1168

2ADB - U1168

Information saved in
DME

Fault code
2ADB - U1168

Fault text
EAC sensor, communication

Fault description
Message Monitoring Direct Ozone Reduction Catalyst
Temperature Sensor Check Sum Error

Condition for fault identification
Test condition:
EAC sensor must be installed, and the correct data set
(SULEV) must be programmed in the DME
Terminal condition: Terminal 15
Voltage condition:
Voltage in onboard electrical system > 9 V

Condition for fault memory entry
2.5 sec.

Action in service
1.) Check ground wire from DME to EAC sensor
2.) Check positive wire from DME to EAC sensor
3.) Check bus wire from DME to EAC sensor
4.) Replace sensor

Fault effect and breakdown warning


Driver information
Warning light:
MIL comes on after 2nd driving cycle

Service instruction
none