Thursday, May 28, 2020

2010 BMW 128i Convertible (E88) L6-3.0L (N52K) P Code Charts

P1668

2F4B – P1668

Information saved in

DME

Fault code

2F4B – P1668

Fault text

DME, internal fault: immobilizer data

Fault description

EWS (Electronic Immobilizer) Start Value Destroyed

Condition for fault identification

Test condition:

Terminal 15

Terminal condition: Terminal 15

Voltage condition:

none

Condition for fault memory entry

1

Action in service

Replace DME, if fault occurs repeatedly

Fault effect and breakdown warning