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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