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OBD cp9180 won't power on but other OBD turns on In my trailblazer

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Code po100 trailblazer 2004 what are how to fix it


A code P0100 may mean that one or more of the following has happened: The MAF (mass air flow sensor) may be disconnected, or a wiring connection may be bad The MAF sensor may be faulty

Read more at: http://www.obd-codes.com/p0100

Jul 23, 2014 | 2004 Chevrolet TrailBlazer

1 Answer

What does it mean when the obdll machine won't even come on to read the code on a 2003 trailblazer?


I know you say all fuses check fine, but check fuse #13 in the underhood fuse panel. This is for the cigarette lighter which also powers the OBDII socket.
Since your engine will not go above 3000 RPM, this indicates that the computer is in "limp home" mode and there is a serious condition going on. You need to get the OBDII to function to read the trouble codes for diagnosis.

May 24, 2012 | 2003 Chevrolet Trailblazer Ext

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The obd 2 scanner wont scan because its not receiving power from my truck (04 chevy trailblazer ) .where is the fuse that controls that circuit for the ecm


The OBDII connector receives its power from the AUX PWR 2 fuse (#15) located in the fuse panel under the rear seat. This fuse also controls the accessory power plugs on the dash.

Oct 22, 2010 | 2004 Chevrolet TrailBlazer

3 Answers

How can I access the ODB codes on my 2003 trailblazer?


OBD-II codes can be accessed with a scanner that covers 1996 and on vehicles.

Jul 05, 2010 | 2003 Chevrolet TrailBlazer

2 Answers

2002 Chevy Trailblazer w/101,000 mi has the P0440 OBD II Code. Just replaced the plugs with Iridiums @ 100K, all connections are good and gas cap is seated properly . . . help!!!


i have 2003 trailblazer ltz 153 000 mileage i have code po440 .i changed gas cap and turned off the chech engine light... i made 300 miles and it was good and today morning i drove a mile and light turned on ..... what do i have to fix ...thanks

Mar 22, 2009 | 2003 Chevrolet TrailBlazer

1 Answer

Check Engine Light is on and the code is P0303


the car has mis fired with mean an injector has gone bad or it needs spark pluges and wires i bet it needs the plugs but it could also be both replace the plugs and wires then go from there

Dec 10, 2008 | 1998 Lincoln Town Car

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