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  1. U

    4WD Questions

    One more thing too. Not sure if this is a related electrical issue or not but the tire pressure warning light is always illuminated. However the pressures through the dash display show all tires at 34-35 psi. I did the calibration reset procedure and nothing changed. Like I said I’m not sure if...
  2. U

    4WD Questions

    Here’s a pic of the code readout
  3. U

    4WD Questions

    One other thing. I provided some bad info yesterday. The amber light on the 4WD selector switch is on but it stays lit in the 2WD position no matter what position I choose with the dial. Not sure if this changes anything. The owner did say that one day recently he got in and noticed that the 4WD...
  4. U

    4WD Questions

    Thanks guys. I got the code. It’s C0321 if that helps to battle it down. Again I appreciate it.
  5. U

    4WD Questions

    Thanks again guys. So if I am to understand correctly the actuator is just to lock the front axle and the encoder motor is what actually shifts the transfer case between the 2 and 4WD modes? I guess then the question would be what sequence the operation takes place in, between the actuator abs...
  6. U

    4WD Questions

    Floss thanks for the reply. I actually have a SnapOn Solus Pro and I scanned it but there were no codes found. I went into the Transfer Case option and got nothing. Can I ask why you think it would be the encoder motor as opposed to the actuator? Not second guessing you just trying to educate...
  7. U

    4WD Questions

    Thank you for the reply. Not sure the owner would be too happy with me removing the actuator to test it. If the actuator is bad would it act the way I described? That is, no shifting into any 4WD modes and the light blinking when the knob is turned, but always reverting back to 2WD? Thanks again
  8. U

    Wheel/Tire Questions

    Hi I am new here and new to this platform, although I’ve owned a TrailBlazer for the past 16 years so I am familiar with GM products. I am looking at buying a used 08 Tahoe LT 4WD with the 5.3 flex fuel engine and about 125k on the clock. Am I correct that all wheels from the last 20 years or so...
  9. U

    08 Bose Radio Questions

    Hi I am new here and new to this platform, although I’ve owned a TrailBlazer for the past 16 years so I am familiar with GM products. I am looking at buying a used 08 Tahoe LT 4WD with the 5.3 flex fuel engine and about 125k on the clock. It has the Bose system with the regular CD player and no...
  10. U

    4WD Questions

    Hi I am new here and new to this platform, although I’ve owned a TrailBlazer for the past 16 years so I am familiar with GM products. I am looking at buying a used 08 Tahoe LT 4WD with the 5.3 flex fuel engine and about 125k on the clock. The “Service 4WD System” light comes on at startup and...
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