CDA7

CDA7 - U1129

Information saved in
DME

Fault code
CDA7 - U1129

Fault text
Message (status, reverse gear, 3B0)

Fault description
Lost Communication With Reverse Status

Condition for fault identification
Test condition:
E65 data content defined
E6x Manual transmission only
Terminal condition: 800 ms after Terminal 15
Voltage condition:
battery voltage >10 V

Condition for fault memory entry
E6x Manual transmission: 4 sec.

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