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-6F is stored if the engine speed (RPM) exceeds 2000 RPM, the load signal is above 800 mg/str and the vehicle speed signal is missing for more than 10 seconds.
Substitute Value
- The maximum engine speed (RPM) is limited
- Initial boost pressure
- No leak diagnostic
- No idle air trim adaptation.
Possible Source
Faulty signal:
- Open-circuit in the signal cable
- Short-circuit to ground in the signal cable
- Short-circuit to supply voltage in the signal cable
- Contact resistance and oxidation.
Fault symptom[s]
- The speedometer does not work
- Malfunction indicator lamp (MIL) lit
- Poor performance
- Too high idling speed
- Too low idling speed.