Diagnostic trouble code (DTC) information
Condition
Diagnostic trouble code (DTC) ECM-10 is stored if the control module detects changes in the air temperature within the normal operating range of the intake air temperature (IAT) sensor that are too rapid.
Substitute Value
- The Wastegate diagnostic is disabled
- The EVAP diagnostic is disabled
- Limited EVAP control
- No fuel trim adaptation
- No idling speed adaptation.
Possible Source
- Contact resistance in the terminals
- Defective intake air temperature (IAT) sensor
- Intermittent open-circuit, short-circuit to ground or short-circuit to supply voltage in the signal cable
- Intermittent open-circuit or short-circuit to supply voltage in the ground lead.
Fault symptom[s]
- Malfunction indicator lamp (MIL) lit
- High fuel consumption
- High idling speed
- Low idling speed.