2019 BMW 128i Convertible (E88) L6-3.0L (N51) A L L Diagnostic Trouble Codes ( DTC ): Manufacturer Code Charts Page 273
Driver information
Warning light:
none
Service instruction
none
2E98
2E98 - U1132
Information saved in
DME
Fault code
2E98 - U1132
Fault text
Generator, communication
Fault description
Lost Communication With Generator via BSD (Bit Serial
Data Interface)
Condition for fault identification
Test condition:
Alternator communications monitor
Terminal condition: Terminal 15 ON
Voltage condition:
Voltage in onboard electrical system > 10 V
Condition for fault memory entry
Commercial vehicle >350 rpm,
No communications fault
Action in service
1. Check wire (BSD_BUS) connecting alternator and DME.
2. Check plug-in connection at alternator.
3. Replace alternator.
Fault effect and breakdown warning
Driver information
Warning light:
No warning message. The alternator responds to loss of the
BSD_BUS signal by charging at a constant 14.4 V battery.
Service instruction
none
2FAB - P0A14 (DME)
2FAB - P0A14
Information saved in
DME
Fault code
2FAB - P0A14
Fault text
Active engine mount, electric
Fault description
Engine Mount 'A' Control Circuit/Open
Condition for fault identification
