4719 - P242C (DDE)

4719 - P242C

Information saved in
DDE

Fault code
4719 - P242C

Fault text
DDE: Exhaust-gas temperature sensor before SCR cat.,
signal: Short circuit to ground

Fault description
Monitoring of exhaust-gas temperature sensor before the
SCR converter. The diagnostic trouble code is logged when
the raw sensor signal (voltage) is less than the specified
lower limit 50 mV.

Condition for fault identification
Test condition:
The test routine is executed only provided that no other
electrical faults are present.
Voltage condition:
The test routine is executed only provided that no other
electrical faults are present.

Condition for fault memory entry
Debounce (1000 ms) 1000 ms .

Action in service
1. Check wires and plug connections.
2. If wiring and plug connections are OK:
Replace exhaust-gas temperature sensor before the SCR
converter.

Fault effect and breakdown warning
-

Driver information
Warning light:
MIL

Service instruction
none