Inside the floor shift console. Should have an access panel on the right side of console that can be removed to gain access to ECM.
It is part of the fuel pump module inside the fuel tank. I think the only answer is to replace the entire unit.
Replace the fuel filter and have the ignition module checked.
This sounds like your wheel hubs need replaced. These are where the sensors for ABS and Traction control are located. I'm very surprised a dealer would not be able to find this. It is possible another sensor is bad, but this is the same problem I had with my 2001 Alero. If you have service engine light on, trac. off light and the ABS light on the same time, you may be able to get it fixed my reprogramming the power control module (with updated software calibration). Mine was fixed for free at a dealer under a recall campaign when GM called me yesterday.
if you have the 2.2 liter ecotec engine, they are located right on top of the engine, they are located under the top black piece that says ecotec on it.
All O2 sensors all threaded into the exhaust system at various points.
the body control mod. is located on pass. side under dash behind glove box
top right rear of engine.
Usually part of the switch (module)
behind the rear window under the trim on the passenger side
The button just behind the stick shift on the center consel.
its under the dash and its a 3 by 3 box
it may be the airbag module. on the 2003, the module is located under the passenger seat. im not sure where it is on other years
where is the 2002 oldsmobile alero cruise control vacuum line?
Here is a list from simple to terrible, good luck. Spark plug, Plug wire, Ignition coil, fuel injector, electronic control module, valve seal, head gasket, valve. First three are simple repairs after that prepare to spend a fortune.
where is the fourway flasher located ib a 2001 oldsmobile alero
Where is the radiator cap located on a 2000 Oldsmobile Alero?