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-0B is stored is stored if the control module detects that the atmospheric pressure sensor signal is lower that the boost pressure sensor signal when the ignition is on, the engine is not running and no diagnostic trouble code (DTC) is stored for the boost pressure sensor.
Substitute Value
EVAP control only at idling, no leak diagnostic.
Possible Source
- Contact resistance in the wiring
- Defective atmospheric pressure sensor.
Fault symptom[s]
- None.