2E40

2E40 - P150D

Information saved in
DME

Fault code
2E40 - P150D

Fault text
Intelligent battery sensor (IBS): Wake-up line, short to
ground

Fault description
Intelligent Battery Sensor, self-diagnosis 2

Condition for fault identification
Test condition:
BSD bus active
Terminal condition: Terminal 15
Voltage condition:
none

Condition for fault memory entry
5 sec.

Action in service
1.With battery sensor disconnected check Terminal
15/wakeup wire 15WUP for short circuit to ground
2. Check to determine whether non-approved electrical
equipment has been connected to Terminal 15/wakeup wire
3. Replace battery sensor if the error is currently present or
logged repeatedly

Fault effect and breakdown warning
None
none

Driver information
Warning light:
none

Service instruction
None