Both Fans Do Not Run at High Speed (But Both Fans Run at Low Speed and the A/C Compressor Operates With the A/C On)
Both fans do not run at high speed with the A/C on (but both fans run at low speed and the A/C compressor operates with the A/C on)
Diagnostic Procedure:
ECT troubleshooting: ECT sensor 2 circuit low voltage, P2184 ECT sensor 2 circuit high voltage P2185
Also check for:
- Powertrain DTCs Initial Inspection and Diagnostic Overview
- Cleanliness and tightness of all terminals