Monday, April 13, 2020

2010-2020 BMW 128i Diagnostic and Repair Information

2F71 – P3227 (DME)

2F71 – P3227

Information saved in

DME

Fault code

2F71 – P3227

Fault text

Electronics-box fan, activation

Fault description

E-Box Control Circuit Fan Low Input

Condition for fault identification

Test condition:

E-module fan activation-control monitor

Component must be installed

Tester must be used to trigger component for at least 15 sec.

Terminal condition: Terminal 15 ON

Voltage condition:

Voltage in onboard electrical system > 10 V

Condition for fault memory entry

2 sec.

Action in service

1Check wiring

Repair if defective

If wiring is OK proceed

to check component

Fault effect and breakdown warning