The speedometer may stop functioning with code P0722 stored in the powertrain control module (PCM). This may be caused by a worn speedometer gear due to coolant contamination of the transmission fluid. If contamination is found the radiator is most likely at fault. The transmission should also be thoroughly inspected and repaired or replaced as required.
The average cost for a Chevrolet Aveo Transmission Fluid Change repair is between $135 and $164.
The average cost for a Chevrolet Aveo Radiator Replacement repair is between $666 and $736.
The average cost for a Chevrolet Aveo General Diagnosis repair is between $122 and $179.
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