FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
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(DME) Condition For Fault ID - 2

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
75 ms

Action in service
1. Replace electric fuel pump ECU

Fault effect and breakdown warning
CC status report

Driver information
Warning light:
MIL

Service instruction
none