Diagnostic trouble code (DTC) information

WARNING: This page is about a different car, the 2004 Volvo S40, 2003 Volvo S40, 2002 Volvo S40, 2001 Volvo S40, and 2000 Volvo S40. However, it is still accessible from the selected car via links, so may be relevant.

Condition

Fig 1: Identifying Intake Air Temperature (IAT) Sensor

Courtesy of VOLVO CARS OF NORTH AMERICA.

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.