If you look under the dash from the driver s side you will see the mode actuator.
2003 chevy silverado mode door actuator replacement.
Sparkys answers 2003 chevrolet silverado changing the mode actuator code b0263.
But try pulling fuse first for hvac sometimes it resets the actuators.
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There were codes b0263 and b3770 stored in the hvac module.
There is a replacement mode or blend actuator available at most auto parts stores dorman part 604 107 price 39 99.
Move the seat back as far as you can helps to get in there.
The mode actuator is on passenger side.
The codes refer to mode actuator faults.
The mode door actuator is on the left and the resirc door actuator is at the top of the dash near the windshield.
You can get an oem replacement actuator from amazon for what the garages pay for them in most cases.
To access the actuator the driver s side heater floor vent extension has to be removed.
Remove the mode actuator as an assembly with the actuator cam.
This 2004 chevrolet silverado came in with the complaint that the air only blows through the defrost and will not blow out of any other location.
Remove the lower dash panel or glove box.