What does P1359 mean on a Ford?

P1359. Spark Output Circuit Fault. Applies to F-150, Mustang, Ranger with EDIS.

What causes P1359 on a Ford?

Open SPOUT circuit Shorted spark output wiring Failed ignition module Corroded SPOUT connector PCM output fault

How do I fix P1359 on a Ford?

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

Code

P1359

Spark Output Circuit Fault

Category: Powertrain - Ignition
Severity: Check Engine Light
Applies to: F-150, Mustang, Ranger with EDIS
Related: P0351 Ignition Coil A Primary Control Circuit/Open on OBD Codes List

Findings, check these first

Open SPOUT circuit
Shorted spark output wiring
Failed ignition module
Corroded SPOUT connector
PCM output fault

Standard procedure

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

Code lookup

Type a code above, or start from a symptom or a common code.

Press / to jump to the box. Ford-enhanced powertrain, body, chassis and network codes. Generic P0xxx codes live on OBD Codes List.

Sources and review

Review: qualified. Read the source limits below.

OBDII.pro: P1359 Ford definition
live reference page (obdii.pro)
Supports: Ford-family meaning for P1359: Spark Output Circuit Fault
Fetched directly. obdii.pro is a publisher independent of the engine-codes family.

Last updated 2026-09-05.

Report a correction for P1359. Include your vehicle, the issue and a source if you have one.

This fault is part of the Ford fuel and ignition codes guide. It covers the family and the order to check it.