582 Fan circuit open
How to read it
Code 582 reads as 5 flashes, pause, 8 flashes, pause, 2 flashes on the check-engine light. Jumper the self-test input to signal return at the test connector, then run the key on engine off self test and the running self test, counting the check-engine flashes each time.
New to flash codes? The OBD-I code reading guide walks through the paperclip method, code 12, and reading two-digit codes.
What does Ford code 582 mean?
582. Fan circuit open. This code sets when your vehicle computer detects fan circuit open.
Common causes of 582
- Faulty electric cooling fan
- Faulty fan relay or control module
- Open or shorted wiring in the fan circuit
- Blown fan fuse or poor ground
- Faulty PCM fan output
How to fix 582
- Confirm the code and check whether the cooling fan runs
- Inspect the fan circuit and relay connectors
- Test the fan and relay circuits for power and ground
- Repair wiring, a fuse or a ground before replacing parts
- Replace the fan or relay only after the circuit test fails