2003 Chevrolet Impala "wont computer scanner work hook" Questions

wont turn on. The fan is computer controlled by a modulated ground. If you dont get a ground signal at the motor when at 230 degrees you may have a defective PCM. I had this problem on my chrysler and

...wont go out after i shut car off,how do u reset factory security,i have tried unhooking battery,and reseting codes with my code reader,but when i hook it up it says it cant link up.also when i lock ...

...wont keep running like you can start it once a day and it will get almost to operating temperature and then shut down. We put in a new computer and it still does the same thing so we went and got one ...

...wont hardly run until code scanner is hooked up then works perfect ? new engine and computer sorry 1606 is not on my code list i suggest its the ecu It might be new, but that still doesnt guarantee ...

...wont come on changed coolant sensor ,made no difference.if I unplug sensor they come on.test for power and have constant power if I hook up temporary ground they come on.there are many relays any ...

...wont it let any other radios besides the factory work?? I am not 100 percent on this because I am not a radio guy but each radio from GM has a code number input to the computer or sirrus radio (thief ...

...wont power smog device to run smog check - blown fuse? trying to smog my truck - the guy said i dont have any power to the "port" that they hook the machine up to - so they cant check - it ...

...wont connect, just says linking error The fact that the scanner will not communicate with the computer,no spark,fuel. tells me this is probably a power issue check all the fuses underhood and on left ...

...wont. it is hard to come up with a solution using your brief description, but since the oil level is good it sounds like and oil pressure issue. there are many causes of oil pressure issues, the best ...

...wont run,only cranks.Hooked up a tech 2 scanner but no communication,power is there.Checked all fuses and wires,they are all ok.I don't want to replace the ICM until i figured out if my PCM is ok,my ...