Wednesday, August 28, 2019

CDA4 - U1124

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



none









CDA4 - U1124 (DME)



CDA4 - U1124







Information saved in



DME









Fault code



CDA4 - U1124









Fault text



Message (status ARS module, 1AC)









Fault description



Lost Communication With ARS-Module Status









Condition for fault identification



Test condition:





ARS recognized





Terminal condition: Terminal 15 ON Voltage condition:





Voltage in onboard electrical system > 10 V









Condition for fault memory entry



800 ms









Action in service



Check CAN link between ARS and DME









Fault effect and breakdown warning







Driver information Warning light: none

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