Questions & Answers for: replacing pcm 2004 chevy trailblazer

...2004 Trail Blazer My SES light came on yesterday under what I would consider to be normal driving with no noticeable problems (at least to my untrained eye and ear)... I ran the OnStar diagnostics, ...

2004 6 cyl/4.2 chevy blazer.Emissions code p0410.p0526 can any one help me repair these problems myself? also my idle drops and cuts the engine off when i turn on the interior fan .Any assistance ...

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

...replacing the PCM. Ensure that the gaskets are installed correctly. The gaskets prevent contaminant intrusion into the PCM. Removal ProcedureImportant: It is necessary to record the remaining engine ...

...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 ...

...when replacing the fuse? Is it possible she swapped fuses instead of replacing them? One easy thing to try is to disconnect the battery for at least 30 min to allow the PCM (computer) to reset

...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 ...

...PCM detects an out of range condition between the predicted and actual throttle position. Do you know what electronic throttle control is ? Pt 1 2007 Chevy 2500HD Reduced Engine Power Warning Fault ...

...Chevy Trailblazer ext LS 5.3l I installed a new PCM, plug and play. Programed to my VIN number. After install I reconnected battery and tried to start. Cranking fine, no fire... Then I noticed the ...

...PCM) 10AMPS ALL DTCS NOW GONE, STORED. THE DATA FELL; INTO THE BIT BUCKET AS THEY SAY IF ALL TESTS AND WILD GUESSING REPLACING ALL EVAP; VALVES. THEN COMES THE SMOKE MACHINE TESTS. TO FIND THE LEAK ...