Diesel Data: Automotive Repair

A/C Condenser Fan Doesn't Run At High Speed, But Radiator Fan Does. Both Fans Run At Low Speed (Without Climate Control)




The A/C condenser fan does not run at high speed, but the radiator fan does. Both fans run at low speed

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

Do the A/C Condenser Fan High Speed Circuit Troubleshooting 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 ground at G201

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Poor or loose connections at the terminals