1B0A20

1B0A20 - P1518

Information saved in
DME

Fault code
1B0A20 - P1518

Fault text
Poor-road-surface detection: wheel speed too high

Fault description
The diagnostic function monitors the signals from the
wheelspeed sensors to determine if they are valid.

Condition for fault identification
Test condition:
The fault is recognized when one peripheral wheelspeed is
too high.
Potential problem source(s):
- Vehicle speed signal implausible
Terminal condition: none
Voltage condition:
- Onboard electrical system voltage between 9 V and 16 V
Temperature condition:
- None
Time condition:
- None
Other conditions:
- Engine ON

Condition for fault memory entry
This fault is logged in the control module's fault memory
immediately.

Action in service
- Continue fault diagnosis with DSC

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

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

Service instruction
None