P16E8

1F1A91 - P16E8

Information saved in
DME

Fault code
1F1A91 - P16E8

Fault text
DME, internal fault, monitoring 5V sensor supply 2: voltage
outside valid range

Fault description
The diagnostic function monitors the internal sensor supply
voltage G2.

Condition for fault identification
Test condition:
The fault is recognized by the self-diagnosis.
Potential problem source(s):
- DME defective
Terminal condition: Terminal 15
Voltage condition:
- Onboard electrical system voltage between 9 V and 16 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
- Only replace the DME if the fault remains present
continuously or if the fault frequency is greater than 3

Fault effect and breakdown warning
Breakdown notice:
- It is possible to continue driving the vehicle, but passing
maneuvers should not be attempted owing to reduction in
engine output.
Possible apparent symptoms:
- Reduced performance
- Speed limitation

Driver information
Warning light:
MY10 ECE:
- ECE emissions warning lamp: on
- ECE electronic engine power reduction: off
- CC message: on
MY10 US:
- US emissions warning lamp: on
- US electronic engine power reduction: on
- CC message: on
MY11 ECE:
- ECE emissions warning lamp: off
- ECE electronic engine power reduction: on
- CC message: on

Service instruction
- none