ME9 / P050C 00
Read the instructions below then
start the fault diagnostic procedure.
Symptom: Malfunction Indicator Lamp
Coolant temperature differs from ambient temperature at cold start
Fault symptom
Malfunction Indicator Lamp
On-board diagnosis
Type of diagnosis:
Enable criteria:
| Previous driving cycle: coolant temperature below 92°C or total air mass consumed more than 4 kg. |
| The vehicle should have been driven more than 8½ minutes during the previous driving cycle. |
| No engine heater used for this start. |
| NONE of the following DTCs must be detected: |
Fault criteria:
| Coolant temperature is 10°C lower /15°C higher than intake air temperature. |
Diagnostic help
Diagnosis regards:
| Electrical fault in connecting leads or component. |
Functions in the diagnostic tool related to the fault:
| (See also description of readings/activations in diagnostic tool) |
