Questions & Answers for: trailblazer reset pcm

...trailblazer and the engine wants to shut down when i turn on the air cond. This has been a regular problem on the 4.2 vortec motor. Usually the Throttle Body has to be cleaned. Even with as many as ...

...reset PCM by unplugging PCM bat and PCM ignit fuses, waited 5 minutes, replaced fuses and started engine with trailblazer running fine until this evening when it suddenly lost power and cut off. This ...

...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 removed. It ...

...trailblazer when i turn heat on truck vibrates and turns off. was told it could be a sensor but dont no where they are or which one. Time to clean throttle body, a dirty throttle body will cause low ...

...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 battery ...

...Trailblazer 6 cyl. idles too low and sometimes will kill but runs great. A scan code of P0606 comes up which relates to the pcm but this has been going on for over a year and it helps idle better ...

...Trailblazer rough idling I'm getting a P1345 (cam/crank sensor) code. I've replaced the cam sensor and spark plugs. It starts fine and runs fine when you're up to speed but it ...

...reset the PCM on my 2003 Chevy Trailblazer .How do i do it? My 03 Trailblazer will not start had friend look at it and the battery is fully charged and it turns over very good but the pwr windows and ...

...trailblazer to shut off every time we connect the wire to the air condition accummulator our air conditioning does not work...we noticed the wire to the air condition accumulator wasn't plugged in. ...

...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 disconnect both ...