Failures range from a knob that no longer clicks to a module that leaves the blower running with the key off.
Listings distinguish manual from automatic climate control. The panels look similar and are not interchangeable, because the automatic version contains the logic that the manual version leaves to cables and resistors.
Control modules on many vehicles are part of the immobiliser or the body computer network and may need programming after replacement. The listing states the part number, and where the supplier provides it, the vehicles the module is configured for.
Before replacing a control head, check the blower motor and the resistor. A shorted motor can damage the control head, which means the new one fails the same way.
