U1120

CDA1 - U1120

Information saved in
DME

Fault code
CDA1 - U1120

Fault text
Message (steering wheel angle, C4)

Fault description
Lost Communication With Steering Wheel Angle

Condition for fault identification
Test condition:
No suspension of bus activity
Terminal condition: 800 ms after Terminal 15
Voltage condition:
battery voltage >10 V

Condition for fault memory entry
400 ms

Action in service
- Check other ECUs for CAN fault
- Measure resistance on bus
- Check wiring harness Replace defective ECU as indicated

Fault effect and breakdown warning


Driver information
Warning light:
none

Service instruction
none