FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
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(DME) Condition For Fault ID - Bit 5

2791 - P150B

Information saved in
DME

Fault code
2791 - P150B

Fault text
IBS general

Fault description
Battery Sensor BSD (Bit Serial Data Interface)
Communication Circuit

Condition for fault identification
Test condition:
Bit 5 in Ibs_errors (set by component driver)
Terminal condition: Every TERM15 status change
Voltage condition:
none

Condition for fault memory entry
2000 ms

Action in service
1. Check Terminal 15/wakeup wire for opens and
intermittent contacts
2. With battery sensor removed and Terminal 15 off, check
Terminal 15/wakeup wire for short to battery voltage ->
Repair wire and/or check additional TERM15/wakeup
control module
3. TERM15/wakeup wire

Fault effect and breakdown warning
Driver does not notice

Driver information
Warning light:
none

Service instruction
none