Heating and A/C

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

The 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

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

Also check for

HVAC DTCs How to Troubleshoot the Heating and A/C Systems

Also check for

Powertrain DTCs Initial Inspection and Diagnostic Overview

Also check for

Blown fuse No.11 (30 A) in the under-hood fuse/relay box

Also check for

Poor ground at G201

Also check for

Poor or loose connections at the terminals