Without Climate Control

The A/C condenser/radiator fans do not run at low speed with the A/C on, but the blower and heater controls work normally

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

Do the radiator and A/C condenser fan low speed circuit troubleshooting Radiator And A/C Condenser Fan Low 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 DTC Troubleshooting

A/C pressure sensor circuit high voltage DTC Troubleshooting

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

Also Check for

HVAC DTCs How To Troubleshoot The Heating and A/C Systems

Also Check for

Powertrain DTCs

Also Check for

Blown fuse 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