Monday, April 13, 2020

2010-2020 BMW 128i Diagnostic and Repair Information

2F4C – U1166 (DME)

2F4C – U1166

Information saved in

DME

Fault code

2F4C – U1166

Fault text

Message EWS-DME incorrect

Fault description

Message Monitoring EWS (Electronic Immobilizer) – Frame

Error

Condition for fault identification

Test condition:

EWS code request

Terminal condition: Terminal 15 on without running engine

Voltage condition:

none

Condition for fault memory entry

2

Action in service

Continue problem diagnosis with CAS

Fault effect and breakdown warning