2E98 - U1132 (DME)

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