4949 - P0670 (DDE)

4949 - P0670

Information saved in
DDE

Fault code
4949 - P0670

Fault text
DDE: Glow system, configuration:

Fault description
The installed glow plugs are incorrect for the specific
engine.
The DDE recognizes the fault based on a LIN signal.
The LIN signal can assume the following values:
- 1: Invalid combination of engine type/glow plug type
- 3: Different glow plug types installed
- 13: Not defined 15: Invalid

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
Install correct glow plugs.
If the fault reoccurs: Replace glow-plug preheating control
module.

Fault effect and breakdown warning
-

Driver information
Warning light:
MIL

Service instruction
Remove glow plugs with engine warmed to normal
operating temperature to avoid damage to the cylinder head.