A/C Condenser/Radiator Fans Do Not Run At High Speed, But Both Fans Run At Low Speed (Without Climate Control)

The A/C condenser/radiator fans do not run at high speed, but both fans run at low speed

Probable cause: A/C condenser/radiator fan high speed circuit malfunction

Do the Radiator and A/C Condenser Fan High Speed Circuit Troubleshooting Radiator and A/C Condenser Fan High Speed Circuit Troubleshooting

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HVAC DTCs How To Troubleshoot The Heating And A/C Systems (Without Climate Control)

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Powertrain DTCs Initial Inspection and Diagnostic Overview

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Poor or loose connections at the terminals