P0115

P0115

123 Engine temperature - signal implausible

Diagnosis conditions
- A temperature model is formed. If the measured temperature deviates too much from the calculated temperature, a fault is detected.

NOTE: A thermostat which is constantly open can cause the fault P0115.

Possible fault cause
- Thermostat (permanently open)
- Open coolant shutoff valve (only Tiptronic vehicles)
- Wiring
- Temperature sensor faulty
- DME control module faulty

Affected terminals
Terminal III/22 and III/17

Resistance values
0 °C 5.0 - 7.0 kOhms
20 °C 2.0 - 3.0 kOhms
60 °C 0.4 - 0.8 kOhms

Diagnosis/troubleshooting

Part 1:

Part 2: