Silverado 1500 2WD V8-6.0L (2010)
Note: The test leads must be connected in the correct polarity, otherwise higher out of range values will appear. Use the Positive Lead for the
control circuit and the Negative Lead for the ground circuit.
4. Test for 6 k - 9 kOhms between blower motor control circuit terminal 2 and the low reference circuit terminal 4.
‹› If not within the specified range, replace the ventilation heat and cool module.
Note: The test leads need to be connected in the correct polarity, otherwise higher out of range values will appear. Use the Positive Lead for the
speed control circuit and the Negative Lead for the ground circuit.
5. Test for 290 k - 420 kOhms between blower motor speed control circuit terminal 7 and the low reference circuit terminal 4.
‹› If not within the specified range, replace the ventilation heat and cool module.
Repair Instructions
Perform the Diagnostic Repair Verification (See: Powertrain Management/Computers and Control Systems/Testing and Inspection/Diagnostic Trouble
Code Tests and Associated Procedures/Verification Tests and Procedures) after completing the diagnostic procedure.
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Driver or Passenger Seat Back Ventilation Heating and Cooling Blower Replacement (Denali with KB6) (See: Service and Repair/Driver or
Passenger Seat Back Ventilation Heating and Cooling Blower Replacement (Denali with KB6))
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Driver or Passenger Seat Cushion Ventilation Heating and Cooling Blower Replacement (Denali with KB6) (See: Service and Repair/Driver or
Passenger Seat Cushion Ventilation Heating and Cooling Blower Replacement (Denali with KB6))
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Control Module References (See: Testing and Inspection/Programming and Relearning) for the MSM, CCSM, and door lock/window switch
replacement, setup, and programming
