AutoCodes – Ford – P1156 Ford

P1156 Ford Code - Fuel Selector Switch Circuit

Quick Answer

P1156 Ford indicates Fuel Selector Switch Circuit. Common causes include Faulty Fuel Selector Switch (FSSW), Fuel Selector Switch harness is open or shorted, Fuel Selector Switch circuit poor electrical connection. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

What it means: P1156 Ford indicates Fuel Selector Switch Circuit.
Common causes: Common causes include Faulty Fuel Selector Switch (FSSW), Fuel Selector Switch harness is open or shorted, Fuel Selector Switch circuit poor electrical connection.
Severity: High - diagnose this code as soon as possible.
Can I drive?: Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

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Code Popularity 7,565

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

What is this?

Table of contents Created and updated by William Orellana on May 20, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
Comments
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Code P1156 Ford Description

OBDII Code P1156 Ford - Fuel Selector Switch Circuit - AutoCodes.com — P1156 Ford Code - Fuel Selector Switch Circuit

What does this mean?

What are the Possible Causes of the DTC P1156 Ford?

Faulty Fuel Selector Switch (FSSW)
Fuel Selector Switch harness is open or shorted
Fuel Selector Switch circuit poor electrical connection

How to Fix the DTC P1156 Ford?

Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P1156 Ford code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.

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About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.