P1489moderate severityPowertrain
High Speed Fan CTRL Relay Circuit
on 2013 Chrysler 200 3.6L V6 Pentastar · FWD
What this code means
The PCM has detected a malfunction in the high-speed cooling fan relay control circuit. The relay that activates the cooling fan at high speed is not responding to PCM commands.
Symptoms
- Check Engine Light
- Engine overheating at idle or in traffic
- A/C performance reduced
- Cooling fan does not run at high speed
Common causes
- Faulty high-speed fan relay
- Wiring open or short in relay circuit
- Corroded relay socket
- Faulty cooling fan motor
- PCM driver failure
Diagnostic steps
- Swap high-speed fan relay with a known good relay
- Check relay socket for power, ground, and PCM control
- Test cooling fan motor directly with battery power
- Inspect relay circuit wiring
- Check PCM output to relay
Repair notes
Replace the high-speed fan relay if faulty; test the fan motor and repair wiring as needed.
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