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Home >> BMW >> 2012 >> 760Li >> Repair and Diagnosis >> Engine Performance >> System >> Self Diagnosis - N74 - Diagnostic Trouble Codes - DTC P15D0 (BMW DTC 20A701) Through DTC U1128 (BMW DTC CDC304) >> DTC P3228; BMW DTC 20C004: Electronics-box fan, activation: open circuit >> Condition for fault identification

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

Voltage condition:

Voltage in onboard electrical system > 10 V