4A74 - P064C (DDE)

4A74 - P064C

Information saved in
DDE

Fault code
4A74 - P064C

Fault text
DDE: Glow system, communication: Message from
preheating control unit GSG failed

Fault description
The DDE control module can no longer read the LIN
message with the glow-plug preheating control module error
information.

Condition for fault identification
Test condition:
The LIN message is transmitted every 500 ms.
Voltage condition:
The LIN message is transmitted every 500 ms.

Condition for fault memory entry
Debounce (1700 ms)

Action in service
1. Check wires and plug connections on LIN bus.
2. If wiring and plug connections are OK:
Replace glow-plug preheating control module.

Fault effect and breakdown warning
-

Driver information
Warning light:
MIL

Service instruction
none