CDAF - U0137

2020 BMW 128i Coupe (E82) L6-3.0L (N51) Diagnostic Trouble Codes ( DTC ): Service instruction

none

CDAF

CDAF - U0137

Information saved in

DME

Fault code

CDAF - U0137

Fault text

Message (status, trailer, 2E4)

Fault description

Lost Communication With Trailer Brake Control Module

Condition for fault identification

Test condition:

Trailer module recognized

Terminal condition: Terminal 15 ON Voltage condition:

Voltage in onboard electrical system > 10 V

Condition for fault memory entry

200 sec.

Action in service

Check CAN link between trailer module and DME

Fault effect and breakdown warning

Driver information Warning light: none