2019 BMW 128i Convertible (E88) L6-3.0L (N51) A L L Diagnostic Trouble Codes ( DTC ): Manufacturer Code Charts Page 270
Condition for fault memory entry
Fault is detected when all combustion durations = 0 ms,
Action in service
Check voltage supply and ignition wiring loom including
interfaces
Fault effect and breakdown warning
Driver information
Warning light:
NO
Service instruction
none
2E96
2E96 - P3255
Information saved in
DME
Fault code
2E96 - P3255
Fault text
Generator, under-excitation
Fault description
Generator Voltage in Starting Phase above Threshold
Condition for fault identification
Test condition:
Commercial vehicle > 350 rpm, alternator underexcitation
requested
Terminal condition: Terminal 15 ON
Voltage condition:
none
Condition for fault memory entry
Never, diagnosis not active
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:
MIL relevance not yet defined
