2019 BMW 128i Convertible (E88) L6-3.0L (N51) A L L Diagnostic Trouble Codes ( DTC ): Manufacturer Code Charts Page 14
Fault code
CDB3 - U1109
Fault text
Message (torque request, steering, B1h)
Fault description
Lost Communication With Torque Request Steering
Condition for fault identification
Test condition:
EHB3 recognized
Terminal condition: Terminal 15 ON
Voltage condition:
Voltage in onboard electrical system > 10 V
Condition for fault memory entry
800 ms
Action in service
Check CAN link between EHB3 and DME
Fault effect and breakdown warning
Driver information
Warning light:
none
Service instruction
none
CDB3 - U110A (DME)
CDB3 - U110A
Information saved in
DME
Fault code
CDB3 - U110A
Fault text
Message (torque request, steering, B1h)
Fault description
Message Monitoring Torque Request Steering Check Sum
Error
Condition for fault identification
Test condition:
EHB3 recognized
Terminal condition: Terminal 15 ON
Voltage condition:
Voltage in onboard electrical system > 10 V
Condition for fault memory entry
400 ms
Action in service
Check EHB3 control module
Fault effect and breakdown warning
