U0137

CDAF - U0137

Information saved in
DME

Fault code
CDAF - U0137

Fault text
Message 0x24e (trailer status)

Fault description
Lost Communication With Trailer Brake Control Module

Condition for fault identification
Test condition:
No new messages
Terminal condition: Terminal 15
Voltage condition:
Battery voltage > 9 V

Condition for fault memory entry
200000 ms.

Action in service
1. Check plug and wiring harness on AHM
2. Replace AHM

Fault effect and breakdown warning
Driver does not notice

Driver information
Warning light:
none

Service instruction
none