2019 BMW 128i Convertible (E88) L6-3.0L (N51) A L L Diagnostic Trouble Codes ( DTC ): Manufacturer Code Charts Page 7
Action in service
Check CAN link between power module and DME
Fault effect and breakdown warning
Driver information
Warning light:
none
Service instruction
none
CDA3
CDA3 - U1122
Information saved in
DME
Fault code
CDA3 - U1122
Fault text
Message (power management, charging voltage, 334)
Fault description
Lost Communication With Power Management Charge
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
20 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
CDA4 - U1123 (DME)
CDA4 - U1123
Information saved in
DME
Fault code
CDA4 - U1123
Fault text
Message (status ARS module, 1AC)
Fault description
Message Monitoring ARS-Module Status Alive Check
Condition for fault identification
