BMW 328i Sedan (E90) L6-3.0L (N51) U Code Charts 33
Information saved in
DME
Fault code
CDA7 - U1129
Fault text
Message (status, reverse gear, 3B0)
Fault description
Lost Communication With Reverse Status
Condition for fault identification
Test condition:
'Reverse gear status' recognized at least once
Terminal condition: Terminal 15 ON
Voltage condition:
Voltage in onboard electrical system > 10 V
Condition for fault memory entry
40 sec.
Action in service
1) With manual transmission: Check CAN link between
light module and DME.
2) With automatic/SMG: Check code entry in light module,
delete version in DME and re-initialize (Terminal 15 switch)
Fault effect and breakdown warning
Driver information
Warning light:
none
Service instruction
none
U1130
2F11 - U1130
Information saved in
DME
Fault code
2F11 - U1130
Fault text
Radiator blind, top
Fault description
Lost Communication With Radiator Shutter (Upper)
Condition for fault identification
Test condition:
1. AKKS must be initalized.
Operation of lower flap:
3 x open and 3 x closed
Or conduct the system test
Terminal condition: Terminal 15 ON
Voltage condition:
Voltage in onboard electrical system > 10 V
Condition for fault memory entry
none
Action in service
1. Check voltage supply to AKKS (focus especially on GND
[PIN 2] at the valve)
