4A89

4A89 - U0101

Information saved in
DDE

Fault code
4A89 - U0101

Fault text
DDE: Message (TRANSMISSION DATA, 0xBA): Message
from transmitting control unit not current (alive counter)

Fault description
The error is recognized when the alive signal of the message
GETRIEBEDATEN (TRANSMISSION DATA) is invalid.

Condition for fault identification
Test condition:
The following conditions must be satisfied:
- The message must be active.
- Terminal 15 must be active.
The signals are transmitted in cycles with a periodicity of 20
ms.
The error is checked in a 20 ms time grid.
Voltage condition:
The following conditions must be satisfied:
- The message must be active.
- Terminal 15 must be active.
The signals are transmitted in cycles with a periodicity of 20
ms.
The error is checked in a 20 ms time grid.

Condition for fault memory entry
Debounce (100 ms)

Action in service
Troubleshooting in transmitting control module.

Fault effect and breakdown warning
-

Driver information
Warning light:
MIL

Service instruction
none