Questions & Answers for: pcm 2004 chevy trailblazer

...2004 Chevy Trail-Blazer easyiest way to find info about any car you own is clymers books.helps to see if its something you really want to do yourself. PCM , 04 trailblazer ..that depends on which ...

pcm in a 2004 chevy trailblazer? and how I can fix it. PCM is what control's all of your engine sensor's, there's no repair for the PCM, but to replace. Before changing your PCM you will have to check

...PCM either needs to be recalibrated by the dealer OR replaced. This depends on where your VIN # falls on the list of the technical service bulletin that is out there. I have a 2004 trailblazer, the ...

...2004 chevy trailblazer and now it stalls out and idles really rough...any solution Sometimes the Computer [PCM] that controls the engine will loose it's memory on how you've driven it when power is ...

...2004 chevy trailblazer and her brake lights weren't working she changed the fuse they work now but her directionals aren't working at all now Did she disconnect the negative terminal from the ...

...2004 chevy trailblazer mean? P0600 is a serial communications link problem with the PCM. This could just be a problem with the connection to the diagnostic tool, and not really be a problem with the ...

...CHEVY TRAILBLAZER check cruise control fuse and check the brake lights see if brake light working because the brake light switch will deactivate cruise control when brakes is applied.if brake lights ...

...2004 chevy trailblazer that at times will not start with the key and also will not turn off with the key. Check for OBD2 codes, primarily a code indicating PCM memory is corrupt. My Trailblazer at ...

...2004 Chevy trailblazer when vehicle is off. Front ac is off. What could be the problem? Just started after changed coil pack and hooked battery back up. Turn everything, all switches, off then ...

...2004 Chevy Trailblazer, where is the PCM BAT and PCM IGN relays? When I look at the cover that shows the map of the relays, I don't see exactly those 2 that I'm looking for. Think your looking for ...