4A7E - P0670 (DDE)

4A7E - P0670

Information saved in
DDE

Fault code
4A7E - P0670

Fault text
DDE: Glow system, communication:

Fault description
Error in glow plug message transmitted on LIN bus.
The DDE recognizes the fault based on a LIN signal.
The LIN signal can assume the following values:
- 1: Error detected

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 (1200 ms)

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

Fault effect and breakdown warning
-

Driver information
Warning light:
MIL

Service instruction
none