CDA2 - U1121

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

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CDA2

CDA2 - U1121

Information saved in

DME

Fault code

CDA2 - U1121

Fault text

Message (power management, battery voltage, 3B4)

Fault description

Lost Communication With Power Management Battery Voltage

Condition for fault identification

Test condition:

Vehicle version is E65

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 power module and DME

Fault effect and breakdown warning

Driver information Warning light: none