VOLVO
ECM-000F - Microprocessor of control unit. Internal fault. Intermittent fault.
System
Engine Control Module (ECM)
Volvo models this fault code applies to
Applies to the following models:
4 modelsS70 (1997–2000), S80 (1999–2006), V70 (1997–2000), V70 (2000–2008)
What does this fault code mean?
The engine control module has detected a fault in its internal microprocessor. The fault is intermittent. It has existed before but is not active right now, or it only shows up now and then. While the code is active the engine may fail to start. The fault lies in the engine control module itself.
Possible causes
- Fault in the engine control module's internal microprocessor
What you can do
- 1Clear the fault code and road test the car. If it does not return, the fault is not active at the moment
- 2If it returns, note the conditions in which the engine fails to start, so that a workshop can reproduce the fault
- 3Check that the fuses for the engine control module are intact and that its supply is stable
- 4Check that the connectors to the engine control module are fully engaged and clean
- 5If the fault returns, have a workshop replace the engine control module. The new module must be programmed for the car
Symptoms you may notice1
- The engine does not start
General guidance for car owners. Diagnosis on the car can point to a different cause.