BMW 328i Sedan (E90) L6-3.0L (N51) P code charts 7
Fault description
'B' Camshaft Position - Actuator Circuit/Open (Bank 1)
Condition for fault identification
Test condition:
Monitoring of VANOS control
Engine speed > 500 rpm
Terminal condition: Terminal 15, engine on
Voltage condition:
Voltage in onboard electrical system > 10 V
Condition for fault memory entry
none
Action in service
1Check wiring
Repair if defective
If wiring is OK proceed
to check component
Fault effect and breakdown warning
Driver information
Warning light:
MIL ON
Service instruction
none
P14C0
2EFF - P14C0
Information saved in
DME
Fault code
2EFF - P14C0
Fault text
Electric fan, self-diagnosis
Fault description
Fan Mechanical or Hardware Defect
Condition for fault identification
Test condition:
PWM > 10%
Terminal condition: Terminal 15 ON
Voltage condition:
Voltage in onboard electrical system > 10 V
Condition for fault memory entry
200 sec.
Action in service
1. Disconnect plug from fan assembly. (otherwise there is an
injury hazard)
2. The fan moves freely
Check and remove any foreign objects.
--> Fan is mechanically seized: Replace fan --> Fan blades
turn freely: Reconnect plug and use tester to activate fan at
least 15 %.
--> Fan should start.
--> Fan fails to start running: Replace fan assembly
Fault effect and breakdown warning
