1B0A40

1B0A40 - P0503

Information saved in
DME

Fault code
1B0A40 - P0503

Fault text
Vehicle speed: signal too high

Fault description
The diagnostic function determines whether the speed signal
is within a plausible range.

Condition for fault identification
Test condition:
None
Potential problem source(s):
- Speed signal too high (possible tampering)
Terminal condition: none
Voltage condition:
- Onboard electrical system voltage between 9 V and 16 V
Temperature condition:
- None
Time condition:
- None
Other conditions:
- Vehicle speed in excess of 4 km/h

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:
- ECE emissions warning lamp: off
- ECE electronic engine power reduction: off
- CC message: none
MY10 US:
- US emissions warning lamp: on
- US electronic engine power reduction: off
- CC message: on

Service instruction
None