P050B

151001 - P050B

Information saved in
DME

Fault code
151001 - P050B

Fault text
Ignition timing adjustment in idle, cold start Ignition timing
too early

Fault description
The diagnostic function monitors actual force efficiency
level in comparison to the specified force efficiency level
while the catalyst is in its heating phase

Condition for fault identification
Test condition:
The fault is recognized when the integrated difference
between specified and actual efficiency rises above a
threshold defined in the program map
Potential problem source(s):
Poor fuel quality
Terminal condition: none
Voltage condition:
None
Temperature condition:
None
Time condition:
None
Other conditions:
Catalyst heating

Condition for fault memory entry
none

Action in service
Check fuel

Fault effect and breakdown warning
Breakdown notice:
None
Possible apparent symptoms:
None

Driver information
Warning light:
MY10:
no
MY11:
- 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