2010 BMW 128i Convertible (E88) L6-3.0L (N52K) P Code Charts
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(DME) Condition For Fault Memory Entry – 1
2A38 – P1030
Information saved in
DME
Fault code
2A38 – P1030
Fault text
Valvetronic, monitoring, sluggish movement
Fault description
VVT-Actuator Monitoring Position Control, Control
Deviation (Bank 1)
Condition for fault identification
Test condition:
VVT system monitoring for stiction and resistance to
motion.
Always active when no other VVT fault is present.
Terminal condition: Terminal 15 ON
Voltage condition:
Electrical system voltage terminal 87 >10.0 V
Condition for fault memory entry
55 ms
Action in service
1. Use tester to request initialization of travel limits and note
whether travel limit initialization routine executes without
problems. 2. If Item 1 is not OK, replace VVT motor and
repeat Item 1
3. If replacing VVT motor fails to resolve the problem:
Open the valve cover and check the VVT for mechanical
stiction and seizure.
Fault effect and breakdown warning
Driver information
Warning light:
ECE: No warning message. Engine reverts to VVT
emergency backup mode (throttled operation) US: OPEN
