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
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.