2010 BMW 128i Convertible (E88) L6-3.0L (N52K) Manufacturer Code Page 93
Electrical system voltage Terminal 87 >10.0 V
Condition for fault memory entry
following renewed successful execution of the travel limit
initialization routine
Action in service
1. Use tester request to repeat the VVT travel limit
initialization routine 2. If Item No.1 is not OK, it will be
necessary to check the VVT mechanical components /VVT
servo motor
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
2A40
2A40 – P1076
Information saved in
DME
Fault code
2A40 – P1076
Fault text
Valvetronic, thermal overload protection
Fault description
VVT-Overload Protection ECU-Temperature High Input
(Bank 1)
Condition for fault identification
Test condition:
Monitoring of maximum transistor temperature
Terminal condition: Terminal 15 ON
Voltage condition:
none
Condition for fault memory entry
0.03
Action in service
1. Repeat the diagnostic routine once the vehicle cools
2. If Item 1 is not OK, it will be necessary to proceed to an
examination of the control module’s electronic circuitry
Fault effect and breakdown warning
Driver information
Warning light:
Emergency default mode 2
