Wednesday, July 31, 2019

CDAB - U1134

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



none









CDAB



CDAB - U1134







Information saved in



DME









Fault code



CDAB - U1134









Fault text



Message (lamp status, 21A)









Fault description



Lost Communication With Lamp Status









Condition for fault identification



Test condition:





'Lamp status' message recognized at least once 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 light module and DME









Fault effect and breakdown warning







Driver information Warning light: none

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