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
The control module has performed a leak diagnostic of the fuel tank system.
If the diaphragm in the leak diagnostic pump moves from the active to the resting position too rapidly (the pressure drops too quickly), or if the leak diagnostic pump is unable to pressurize the fuel tank system, the control module interprets it as a leakage. Diagnostic trouble code (DTC) ECM-68 is stored. For further information about leak diagnostics, see Leak diagnostic .
Substitute Value
None.
Possible Source
Fuel tank filler cap missing:
- The fuel tank filler cap is missing or not tightened, there is a large leak in the fuel tank, fuel filler pipe, fuel tank filler cap, EVAP canister, canister purge (CP) valve, or in the hoses between these components.
Major leak:
- There is leak larger than 1 mm in the fuel tank, fuel filler pipe, fuel tank filler cap, EVAP canister, canister purge (CP) valve, or in the hoses between these components.
Minor leak:
- There is leak larger than 0.5 mm but smaller than 1 mm in the fuel tank, fuel filler pipe, fuel tank filler cap, EVAP canister, canister purge (CP) valve, or in the hoses between these components.
Fault symptom[s]
- Malfunction indicator lamp (MIL) lit.