P0196
1C4120 - P0196Information saved in
DME
Fault code
1C4120 - P0196
Fault text
Engine-oil temperature sensor, plausibility: temperature
implausible
Fault description
The diagnostic function monitors the plausibility of the oil
temperature signal.
Condition for fault identification
Test condition:
The fault is recognized when the signal is frozen,
implausible signal jumps are present, and when the signal's
mean value leaves the specified range.
Potential problem source(s):
- Defect in plugs or wiring harness between engine oil
temperature sensor and DME
- Defective engine oil temperature sensor
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
The diagnostic fault code is logged when the fault remains
present for longer than 1 min.
Action in service
- Check plugs and wiring harness between engine oil
temperature sensor and DME
- Replace engine oil temperature sensor
Fault effect and breakdown warning
Breakdown notice:
None
Possible apparent symptoms:
Adaptation (reduction) of engine oil service interval
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