Monday, August 12, 2019

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

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