VOLVO
ECM-1144 - Cruise control switch. Signal faulty. Intermittent fault
System
Engine Control Module (ECM)
Volvo models this fault code applies to
Applies to the following models:
2 modelsS40 (1996–2004), V40 (1996–2004)
Show models by year and engine (2)
What does this fault code mean?
The signals from the cruise control switch have at times formed an impossible combination, which the engine control module has registered. The code is then set and the cruise control is turned off. The fault is intermittent and may not be present right now.
Possible causes
- Signal wire short-circuited to supply voltage
- Defective cruise control lever
What you can do
- 1Check that the cruise control lever is intact and seated firmly and that no buttons are sticking
- 2Check the connector and cable at the lever for damage and oxidation
- 3With your own diagnostic tool, check that each button changes state in live data when pressed, one at a time
- 4Clear the code and road test to see whether it returns
- 5If the fault remains, have a workshop check the lever and the signal wire
Symptoms you may notice1
- Cruise control does not function at all
What the fault can affect1
- Cruise control is switched off
General guidance for car owners. Diagnosis on the car can point to a different cause.