P321E

105101 - P321E

Information saved in
DME

Fault code
105101 - P321E

Fault text
Ambient-pressure sensor, plausibility: maximum pressure
implausible

Fault description
The diagnostic function watches for excessively fast rises in
barometric pressure.

Condition for fault identification
Test condition:
The fault is recognized when the barometric pressure spikes
upward by 50 hPa.
Potential problem source(s):
- DME defective.
Terminal condition: Terminal 15
Voltage condition:
- Electrical system voltage > 10 V
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
immediately.

Action in service
- If the fault persists continuously or multiple diagnostic
fault codes for it are logged then replace the DME

Fault effect and breakdown warning
Breakdown notice:
- none
Possible apparent symptoms:
- none

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

Service instruction
- none