FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
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U1121

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

Service instruction
none