2019 BMW 128i Convertible (E88) L6-3.0L (N51) A L L Diagnostic Trouble Codes ( DTC ): Manufacturer Code Charts Page 98
4. Check wiring harness between VVT motor and DME for
soft shorts between the two VVT motor wires and vehicle
ground
5. Defective VVT servo motor (for instance, interturn short
circuit)
- Replace servo motor and determine whether malfunction is
still present (Clear fault memory / switch terminals on
ignition)
6. If malfunction is still present, replace DME.
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
2A44
2A44 - P1062
Information saved in
DME
Fault code
2A44 - P1062
Fault text
Valvetronic, power limitation
Fault description
VVT-Limp Home Request Full Stroke Position not Reached
(Bank 1)
Condition for fault identification
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
