Symptoms

- Engine Light ON (or Service Engine Soon Warning Light) - Engine overheating

Possible Causes

- Open or short circuit condition fan speed sensor - Open or short circuit condition fan clutch - Poor fan speed sensor electrical connection - Poor fan clutch electrical connection - Faulty fan speed sensor - Faulty fan clutch - Faulty PCM

Description

The PCM has detected an incorrect input from the Fan Speed Sensor (FSS)