Tuesday, May 5, 2020

2010 BMW 128i Convertible (E88) L6-3.0L (N52K) Manufacturer Code Page 268

2010 BMW 128i Convertible (E88) L6-3.0L (N52K) Manufacturer Code Page 268

Fault description

Ignition Monitoring Malfunction

Condition for fault identification

Test condition:

Start process completed, ignition failure on all cylinders

Terminal condition: Terminal 15, engine on

Voltage condition:

6 – 24 V

Condition for fault memory entry

Fault is detected when all combustion durations = 0 ms,

Action in service

Check voltage supply and ignition wiring loom including

interfaces

Fault effect and breakdown warning

Driver information

Warning light:

NO

Service instruction

none

2E96

2E96 – P3255

Information saved in

DME

Fault code

2E96 – P3255

Fault text

Generator, under-excitation

Fault description

Generator Voltage in Starting Phase above Threshold

Condition for fault identification

Test condition:

Commercial vehicle > 350 rpm, alternator underexcitation

requested

Terminal condition: Terminal 15 ON

Voltage condition:

none

Condition for fault memory entry

Never, diagnosis not active

Action in service

1. Check wire (BSD_BUS) connecting alternator and DME.

2. Check plug-in connection at alternator.

3. Replace alternator.

Fault effect and breakdown warning

Driver information

Warning light:

MIL relevance not yet defined