The A/C Condenser/Radiator Fans Do Not Run At High Speed, But Do Run At Low Speed

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

Probable cause: Malfunction in the fan high speed circuit(s).

Do the following troubleshooting as needed:

A/C condenser fan high speed circuit troubleshooting A/C Condenser Fan High Speed Circuit Troubleshooting

Radiator fan high speed circuit troubleshooting Radiator Fan High Speed Circuit Troubleshooting

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Climate control DTCs Initial Inspection and Diagnostic Overview

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Powertrain DTCs Initial Inspection and Diagnostic Overview

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Blown fuse No. 30 (30 A) and No. 47 (30 A) in the under-dash fuse/relay box

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Poor ground at G401

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Poor or loose connections at the terminals