2010 BMW 128i Convertible (E88) L6-3.0L (N52K) Manufacturer Code Page 98
Test condition:
1. VVT must be in emergency operation mode (meaning that
no VVT sensor signal is present) and unit travels to upper
travel limit at 30 % pulse-duty factor for VVT motor.
2. The mass induction airflow is employed as an index to
determine whether the maximum VVT stroke has been
reached.
Terminal condition: Terminal 15 ON
Voltage condition:
none
Condition for fault memory entry
after Terminal 15 switch and/or always active if DME is
awake.
Action in service
1. Check and repair the sensor defect using the correct repair
instructions.
2. Check HFM mass airflow signal
2. Check VVT mechnical system (VVT servo motor, VVT
gearset, VVT eccentric shaft,…)
Fault effect and breakdown warning
Driver information
Warning light:
ECE: No warning message. Engine reverts to VVT
emergency backup mode (throttled operation) US: OPEN
Service instruction
none
2A45
2A45 – P103A
Information saved in
DME
Fault code
2A45 – P103A
Fault text
Valvetronic, actuator motor: plausibility
Fault description
VVT-System Current Too High
Condition for fault identification
Test condition:
none
Terminal condition: none
Voltage condition:
none
Condition for fault memory entry
none
Action in service
none
Fault effect and breakdown warning