Diagnostic trouble code (DTC) information

Condition

Fig 1: Identifying Boost Pressure Sensor

Courtesy of VOLVO CARS OF NORTH AMERICA.

Diagnostic trouble code (DTC) ECM-0C is stored if the control module detects that the signal from the boost pressure sensor is too high, too low or missing.

Substitute Value

EVAP diagnostic disabled.

Possible Source

Signal too high:

Short-circuit to supply voltage in the signal cable
Open-circuit in the ground lead
Contact resistance in the terminals
Defective boost pressure sensor.

Signal too low:

Open-circuit in the signal cable
Short-circuit to ground in the signal cable
Open-circuit in the power supply cable for the boost pressure sensor
Contact resistance in the terminals
Defective boost pressure sensor.

Fault symptom[s]

Malfunction indicator lamp (MIL) lit.