U1128

CDC304 - U1128

Information saved in
DME

Fault code
CDC304 - U1128

Fault text
Message (status, electric fuel pump, 0x335) missing, Digital
Motor Electronics / Digital Diesel Electronics receiver,
electric fuel pump transmitter

Fault description
The diagnostic function monitors reception of the message.

Condition for fault identification
Test condition:
The fault is recognized when the message is not received in
the specified time.
Potential problem source(s):
- Fault with transmitting control module
Terminal condition: Terminal 15
Voltage condition:
- Electrical system voltage > 10 V
Temperature condition:
- None
Time condition:
- 750 sec.
Other conditions:
- none

Condition for fault memory entry
- The diagnostic fault code is logged when the fault remains
present for more than 40 sec.

Action in service
- Carry out system analysis.

Fault effect and breakdown warning
Breakdown notice:
- none
Possible apparent symptoms:
- none

Driver information
Warning light:
- ECE emissions warning lamp: off
- US emissions warning lamp: off
- ECE electronic engine power reduction: off
- US electronic engine power reduction: off
- CC message: off

Service instruction
- none