Recent content by TJ Baker

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    Heater blowing cold air drivers side

    Is there still a clicking in the dash? If yes then it is not the control module. Modules don't click.
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    Shift motor wont line up

    I agree in that an inexpensive "code reader" is unlikely to read much beyond the usual engine and emissions systems related codes. An ELM type device either bluetooth or wifi or even wired USB with a good phone app can read and reset codes from most modules. Those with good techy skills can...
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    HVAC control unit rebuilder?

    Just curious here.... Is there a proven issue with the HVAC control?
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    battery light won’t turn off when turn not running

    Is the light on at full brightness or just dimly lit when key is out?
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    Shift motor wont line up

    Depending on what your "cheap OBD" device is you 'may' be able to read any or all codes in the vehicle. It's all in the choice of app or software. With a $15 bluetooth OBD adapter and the right phone app you can absolutely read your 2003 GM vehicles TCCM (Transfer Case Control Module) codes...
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    How does the alarm system work?

    What are your available resources? Any sort of scanner/scantool/obd2 dongle? What sort of things were going wrong in the drivers door before replacing the harness?
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    2001 Yukon Paskey Reset problem

    This is guaranteed to fail as it will produce an invalid Passlock Data voltage.
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    P0300 code on 2004 GMC Yukon XL Denali - 119,000 miles

    Does not require much. I get this (and far more) for under $20 with a Veepeak OBD2 adapter and the Car Scanner ELM OBD app.
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    Help Troubleshooting Fuel Trims

    Maybe so, but an hour of driving in one fuel trim cell is not what you are going to read at idle later in a different fuel trim cell. I think knowing what trim cells are higher and what trim cells are lower can sometimes help to narrow down the possibilities.
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    Help Troubleshooting Fuel Trims

    Are you able to read which long term fuel trim cells are at that 25%
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    Help blower motor

    @jamison2021 Look here at the upper right of schematic #2. The BLOWER fuse in the underhood fuse block is for fan speed 5 ONLY. Shows a 40 amp fuse. Make sure that's OK...
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    Are the locks the same?

    Mechanic friend of mine years ago said to put in something that doesn't kill the fuel pump until like 5 or 10 minutes later. This way the vehicle dies unexpectedly in the middle of the road somewhere and the theif is less inclined to hang around trying to get it to restart !!
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    Are the locks the same?

    Just for curiosity,, how is the Passlock system overcome? Guess it could be be not started and just dragged off?
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    TPMS Problems

    Seems unlikely that a radio would do it,,, at least I haven't heard of such a thing.
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    TPMS Problems

    Can you think of anything that may be causing radio frequency interference? I think I have read that some aftermarket LED lighting might do this... maybe?? I don't know myself.
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