2019 BMW 128i Convertible (E88) L6-3.0L (N51) A L L Diagnostic Trouble Codes ( DTC ): Manufacturer Code Charts Page 234
Fault description
Fan 1 Control Circuit High
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
5 sec.
Action in service
1. Check wiring
Repair if defective
If wiring is OK proceed
to check component (electrical check)
Fault effect and breakdown warning
Driver information
Warning light:
no external display;
Service instruction
none
2EFF
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
