AutoCodes – Ford – P145F Ford

P145F Ford Code - Driver Door Switch Out of Self-Test Range

Quick Answer

The diagnostic trouble code P145F indicates that the Powertrain Control Module (PCM) has detected an issue with the Driver Door Switch, specifically that it is out of the self-test range set by the manufacturer. Common causes include Faulty Driver Door Switch, Driver Door Switch harness is open or shorted, Driver Door 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: P145F Ford indicates Driver Door Switch Out of Self-Test Range.
Common causes: Common causes include Faulty Driver Door Switch, Driver Door Switch harness is open or shorted, Driver Door 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 1,422

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

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Table of contents Created and updated by William Orellana on Sep 02, 2025

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P145F Ford Description

The diagnostic trouble code P145F indicates that the Powertrain Control Module (PCM) has detected an issue with the Driver Door Switch, specifically that it is out of the self-test range set by the manufacturer. The Driver Door Switch is a critical component that communicates the status of the driver's door to the PCM. This switch plays a vital role in various vehicle functions, including the operation of the vehicle's interior lights, the locking and unlocking of doors, and the activation of certain security features. When the PCM identifies that the switch is not operating within the specified parameters, it triggers the P145F code.

OBDII Code P145F Ford - Driver Door Switch Out of Self-Test Range - AutoCodes.com — P145F Ford Code - Driver Door Switch Out of Self-Test Range

What does this mean?

What are the Possible Causes of the DTC P145F Ford?

Faulty Driver Door Switch
Driver Door Switch harness is open or shorted
Driver Door Switch circuit poor electrical connection

How to Fix the DTC P145F 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 P145F 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.

Frequently Asked Questions about P145F Ford Code

1. What does the OBDII code P145F mean on a Ford vehicle?

P145F indicates that the driver door switch is out of its self-test range, meaning the vehicle's system has detected an issue with the switch's operation or position signal.

2. What are the common symptoms of the P145F code?

Symptoms may include the driver door not registering as open or closed, interior lights staying on or not turning on, and potential issues with the door ajar warning system.

3. What causes the P145F code to be triggered?

Common causes include a faulty driver door switch, damaged wiring or connectors, corrosion in the electrical circuit, or a malfunctioning Body Control Module (BCM).

4. Can I drive my car with the P145F code active?

Yes, the vehicle is usually still drivable, but it may cause minor inconveniences like interior light or door ajar warning issues. Addressing the problem promptly is recommended.

5. How do I diagnose the P145F code?

Diagnosing this code involves inspecting the driver door switch, checking for damaged or corroded wiring and connectors, and testing the switch's signal with a multimeter or scan tool.

6. How can I fix the P145F code on my Ford vehicle?

Repairs may include replacing the driver door switch, repairing or replacing damaged wiring, cleaning corroded connections, or, in rare cases, reprogramming or replacing the BCM.

7. How much does it cost to repair code P145F?

Repair costs vary, but replacing a door switch typically ranges from $50 to $150 for parts and labor, while wiring or BCM repairs may cost more depending on the extent of the damage.

8. Can a dirty door latch cause the P145F code?

Yes, a dirty or misaligned door latch can affect the door switch function and potentially trigger the P145F code. Cleaning and lubricating the latch may help resolve the issue.

9. Is the P145F code specific to Ford vehicles?

While other manufacturers may have similar codes, P145F is specific to Ford vehicles and relates to their driver door switch self-test system.

10. Do I need special tools to fix the P145F code?

Basic tools like a multimeter, screwdriver, and possibly a scan tool may be required for diagnosis and repair. For advanced issues, professional equipment may be needed.