P0118

109001 - P0118

Information saved in
DME

Fault code
109001 - P0118

Fault text
Coolant-temperature sensor, electric: short circuit to positive
or open circuit

Fault description
The diagnostic function monitors the coolant temperature
sensor's wires.

Condition for fault identification
Test condition:
The fault is recognized when the sensor voltage is above
4.95 V.
Potential problem source(s):
- The coolant temperature sensor's wiring harness is shorted
to positive or has an open wire
- Temperature is outside measurement range
- Coolant temperature sensor defective
Terminal condition: Terminal 15
Voltage condition:
- Onboard electrical system voltage between 9 V and 16 V
Temperature condition:
- None
Time condition:
- 21 sec. after engine start
Other conditions:
- Cold engine start

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

Action in service
- Check coolant temperature sensor wiring harness
- Replace coolant temperature sensor

Fault effect and breakdown warning
Breakdown notice:
None
Possible apparent symptoms:
Possible power reduction
Fan at maximum rotation speed

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

Service instruction
None