2019 BMW 128i Convertible (E88) L6-3.0L (N51) A L L Diagnostic Trouble Codes ( DTC ): Manufacturer Code Charts Page 241
Power management fails to operate correctly because it is
not possible to read battery sensor.
Service instruction
none
2E8B - P150A (DME)
2E8B - P150A
Information saved in
DME
Fault code
2E8B - P150A
Fault text
Intelligent battery sensor, signal
Fault description
Battery Sensor BSD (Bit Serial Data Interface) Extended
Communication Circuit
Condition for fault identification
Test condition:
IBS: Interference with extended communications on BSD
bus
Terminal condition: none
Voltage condition:
none
Condition for fault memory entry
10 sec.
Action in service
1. Check BSD wire for sporadic shorts to battery voltage
and ground
2. Check for intermittent contacts
3. Systematically disconnect other BSD components one
after the other and replace as indicated
4. If fault persists after clearing fault memory, replace
battery sensor
5. If fault memory entry is logged repeatedly, replace battery
sensor
Fault effect and breakdown warning
Driver information
Warning light:
No warning lamp or CC status report
Service instruction
none
2E8B - P150B (DME)
2E8B - P150B
Information saved in
DME
Fault code
2E8B - P150B
Fault text
Intelligent battery sensor, signal
Fault description
Battery Sensor BSD (Bit Serial Data Interface)
