The A/C condenser fan does not run at high speed (but both fans run at low speed and the A/C compressor operates with the A/C on)
Diagnostic procedure
  1. A/C condenser fan high speed circuit troubleshooting
Also check for
  • HVAC DTCs
  • Blown fuse No. 5 (20 A) in the under-hood fuse/relay box
  • Faulty A/C condenser fan relay in the relay circuit board
  • Cleanliness and tightness of all terminals