CDA2

CDA2 - U1121

Information saved in
DME

Fault code
CDA2 - U1121

Fault text
Message (power management, battery voltage, 3B4)

Fault description
Lost Communication With Power Management Battery
Voltage

Condition for fault identification
Test condition:
E60 Data content defined
E65 no suspension of bus activity
Terminal condition: 800 ms after Terminal 15
Voltage condition:
battery voltage >10 V

Condition for fault memory entry
E60 none
E65 No supplementary debounce

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