(DME) Condition For Fault ID - 1

2B51 - U0109

Information saved in
DME

Fault code
2B51 - U0109

Fault text
Message 0x420 (status, el. fuel pump)

Fault description
Lost Communication With Fuel Pump Control Module 'A'

Condition for fault identification
Test condition:
Bus active
Terminal condition: Terminal 15
Voltage condition:
Battery voltage > 9V (k_pks_can_ed_ub_min)

Condition for fault memory entry
5050 ms

Action in service
1. Check plug and wiring harness to electric fuel pump ECU
and DME,
2. Replace electric fuel pump ECU

Fault effect and breakdown warning
CC status report

Driver information
Warning light:
MIL

Service instruction
none