P1359 Spark Output Circuit Fault
What does P1359 mean on a Ford?
P1359 — Spark Output Circuit Fault. This Ford-enhanced code applies to F-150, Mustang, Ranger with EDIS.
Common causes of P1359
- Open SPOUT circuit
- Shorted spark output wiring
- Failed ignition module
- Corroded SPOUT connector
- PCM output fault
How to fix P1359
- Check the SPOUT connector (often unplugged for timing work)
- Test SPOUT circuit continuity
- Inspect for shorts
- Verify spark timing control returns
- Repair wiring or replace the module