P1668

1B2204 - P1668

Information saved in
DME

Fault code
1B2204 - P1668

Fault text
DME, internal fault, EWS data: starting value destroyed/ 2-
from 3-selection failed

Fault description
The diagnostic function monitors whether the stored
information for the EWS contains errors.

Condition for fault identification
Test condition:
The fault is recognized when an error is present in the
SecretKey memory.
Potential problem source(s):
- SecretKey memory defect
Terminal condition: Terminal 15
Voltage condition:
- None
Temperature condition:
- None
Time condition:
- None
Other conditions:
- none

Condition for fault memory entry
This fault is logged in the control module's fault memory if
it remains present for longer than 1 sec.

Action in service
- Replace DME, if fault occurs repeatedly

Fault effect and breakdown warning
Breakdown notice:
- none
Possible apparent symptoms:
- Starter turns, engine fails to start

Driver information
Warning light:
- ECE emissions warning lamp: off
- US emissions warning lamp: off
- ECE electronic engine power reduction: off
- US electronic engine power reduction: off
- CC message: none

Service instruction
- none