Tuesday, May 19, 2020

2010 BMW 128i Convertible (E88) L6-3.0L (N52K) Manufacturer Code Page 92

2010 BMW 128i Convertible (E88) L6-3.0L (N52K) Manufacturer Code Page 92

2A39 – P1023

Information saved in

DME

Fault code

2A39 – P1023

Fault text

Valvetronic, adjustment range

Fault description

VVT-Self-Learning Function Faulty Adjustment Range

(Bank 1)

Condition for fault identification

Test condition:

Adjustment range monitor When travel limit initialization

routine is executed. (travel limit initialization routine is

automatically executed in a 5 hour (engine operating hours)

cycle or with ‘initialize travel limits’ tester request.

Terminal condition: Terminal 15 ON

Voltage condition:

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

2A39 – P1024 (DME)

2A39 – P1024

Information saved in

DME

Fault code

2A39 – P1024

Fault text

Valvetronic, adjustment range

Fault description

VVT-Self-Learning Function Faulty Lower Learning Range

(Bank 1)

Condition for fault identification

Test condition:

Adjustment range monitor When travel limit initialization

routine is executed. (travel limit initialization routine is

automatically executed in a 5 hour (engine operating hours)

cycle or with ‘initialize travel limits’ tester request.

Terminal condition: Terminal 15 ON