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
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