AutoCodes – Lincoln – P145F Lincoln

P145F Lincoln 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 Lincoln 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 1,113
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Sep 02, 2025
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Code P145F Lincoln 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 Lincoln - Driver Door Switch Out of Self-Test Range - AutoCodes.com
P145F Lincoln Code - Driver Door Switch Out of Self-Test Range

What are the Possible Causes of the DTC P145F Lincoln?

  • 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 Lincoln?

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 Lincoln 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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Need Help with the Code?

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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 Lincoln Code

1. What are the common symptoms of OBDII code P145F (Lincoln)?

The common symptoms of code P145F in a Lincoln vehicle include issues with the driver door switch functionality, such as the door not locking or unlocking properly, or the interior lights not turning on/off as expected.

2. What can cause the OBDII code P145F to trigger in a Lincoln vehicle?

The code P145F in a Lincoln is typically triggered when the driver door switch is detected to be out of the self-test range. This could be due to a malfunction in the switch itself or related wiring issues.

3. How serious is the OBDII code P145F in a Lincoln vehicle?

While the code P145F may not directly impact the drivability of the vehicle, it is still important to address this issue promptly to ensure the proper functioning of the driver door switch and related systems.

4. What are some repair tips for resolving OBDII code P145F in a Lincoln?

To address code P145F, start by inspecting the driver door switch and its wiring for any signs of damage or corrosion. Cleaning the switch contacts and ensuring proper connection can often resolve the issue.

5. Can I reset the OBDII code P145F in a Lincoln myself?

Yes, you can attempt to reset the code P145F by using an OBDII scanner to clear the code from the vehicle's computer. However, it is recommended to also address the underlying issue causing the code to prevent it from recurring.

6. Will driving with the OBDII code P145F active cause any harm to my Lincoln vehicle?

Driving with the code P145F active should not cause any immediate harm to the vehicle, but it is advisable to address the underlying issue to prevent potential complications with the driver door switch functionality.

7. How can I prevent OBDII code P145F from appearing in my Lincoln in the future?

Regularly inspecting and maintaining the driver door switch and related components can help prevent the recurrence of code P145F. Keeping the switch clean and ensuring proper electrical connections can go a long way in avoiding this issue.

8. Are there any recalls or technical service bulletins related to OBDII code P145F in Lincoln vehicles?

It is advisable to check with the manufacturer or authorized dealerships for any recalls or technical service bulletins related to code P145F in Lincoln vehicles, as they may provide valuable information on potential fixes or updates.

9. Can extreme weather conditions affect the triggering of OBDII code P145F in a Lincoln?

Extreme weather conditions, such as extreme heat or cold, can potentially affect the functionality of the driver door switch and contribute to the triggering of code P145F. Ensuring proper insulation and protection of the switch can help mitigate these effects.

10. Is it safe to continue driving my Lincoln with the driver door switch out of self-test range?

While it may be safe to drive with the driver door switch out of self-test range, it is recommended to address the issue promptly to ensure the proper functioning of the switch and related systems for optimal safety and convenience.

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