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

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

Probable cause: Malfunction in the fan(s) 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

Probable cause: A/C pressure sensor circuit malfunction

Do the A/C pressure sensor troubleshooting:

A/C pressure sensor circuit low voltage P0532

A/C pressure sensor circuit high voltage P0533

NOTE: The A/C pressure sensor can malfunction without setting a DTC

Also check for

Climate control DTCs Initial Inspection and Diagnostic Overview

Also check for

Powertrain DTCs

Also check for

Blown fuses No. A4 (20 A) and No. A3-6 (MAIN FAN) (30 A) in the under-hood fuse/relay box

Also check for

Poor ground at G301

Also check for

Poor or loose connections at the terminals