2E1C

2E1C - U1132

Information saved in
DME

Fault code
2E1C - U1132

Fault text
Alternator, communication

Fault description
Alternator, communications: No communications

Condition for fault identification
Test condition:
The error is recognized when multiple DME attempts to
establish communications with the alternator remain
unanswered.
Terminal condition: Terminal 15
Voltage condition:
none

Condition for fault memory entry
25.5 sec.

Action in service
- Check plug connection (detent) on alternator.
- Check connection wire (BSD bus) between alternator and
DME.
- Alternator replacement required only if the DME only
detects a BSD fault with the alternator (not in response to
global BSD fault)

Fault effect and breakdown warning
None
Breakdown in extreme cases

Driver information
Warning light:
none

Service instruction
Alternator usually continues to supply vehicle (when BSD
interface wire is open). If no communications are present the
alternator will charge at 14.3 V after the alternator speed has
risen beyond roughly 3300 rpm one time.