49FF - P064C (DDE)
49FF - P064CInformation saved in
DDE
Fault code
49FF - P064C
Fault text
DDE: Glow system, power supply: Voltage difference glow
control unit term. 30 in rel. to DDE power supply too high
Fault description
Difference between electrical system voltage at glow-plug
preheating control module and Terminal 30 at glow-plug
preheating control module is too high.
The glow-plug preheating control module reports the fault to
the DDE in a LIN message.
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 power-supply wires and plug connections at glow-
plug preheating control module.
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