AutoCodes – Ford – B2591 Ford

B2591 Ford Code - No PSD Detent Switch Detected On Unlatch

Quick Answer

During an open operation, the Power Sliding Door (PSD) Module grounds the unlatch actuator to unlatch the sliding door. Common causes include Faulty Power Sliding Door Detent Switch, Power Sliding Door Detent Switch harness is open or shorted, Power Sliding Door Detent 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: B2591 Ford indicates No PSD Detent Switch Detected On Unlatch.
Common causes: Common causes include Faulty Power Sliding Door Detent Switch, Power Sliding Door Detent Switch harness is open or shorted, Power Sliding Door Detent 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.

Save to My Repairs My Repairs

AI answers can be wrong. Verify repairs with testing. Open full chat

Code Popularity 1,155

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 Jan 01, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
Add Comment

💬 Need more help? Ask Coddy for instant answers — it's free!

Code B2591 Ford Description

During an open operation, the Power Sliding Door (PSD) Module grounds the unlatch actuator to unlatch the sliding door. The circuit is shared by the unlatch actuator and the detent switch as a ground return to the PSD module. If the PSD module detects a detent signal change on the circuit, the PSD module powers the clutch and motor to open the sliding door. If the PSD module does not detect the detent switch to ground during self test, DTC B2591 sets.

OBDII Code B2591 Ford - No PSD Detent Switch Detected On Unlatch - AutoCodes.com — B2591 Ford Code - No PSD Detent Switch Detected On Unlatch

What does this mean?

What are the Possible Causes of the DTC B2591 Ford?

Faulty Power Sliding Door Detent Switch
Power Sliding Door Detent Switch harness is open or shorted
Power Sliding Door Detent Switch circuit poor electrical connection
Faulty Power Sliding Door (PSD) Module

How to Fix the DTC B2591 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 B2591 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.

Need more information about the B2591 Ford code?

Need more information on how to fix the B2591 Ford code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the B2591 Ford code diagnosed by a professional: Find a repair shop in your area

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 B2591 Ford Code

1. What are the common symptoms of OBDII code B2591 in a Ford vehicle?

- The common symptoms include difficulty shifting gears, the gear shifter getting stuck, and the vehicle not starting.

2. What does the OBDII code B2591 Ford "No PSD Detent Switch Detected On Unlatch" mean?

- This code indicates that the Power Sliding Door (PSD) detent switch was not detected when the door was unlatched.

3. What are the possible causes of OBDII code B2591 in a Ford?

- The possible causes can include a faulty detent switch, wiring issues, a malfunctioning door motor, or a problem with the door control module.

4. How can I diagnose the issue related to OBDII code B2591 in my Ford?

- You can start by checking the detent switch for proper operation, inspecting the wiring for any damage, testing the door motor, and scanning the door control module for error codes.

5. Is it safe to drive my Ford with the OBDII code B2591 present?

- It is not recommended to drive the vehicle with this code as it can lead to potential safety hazards due to issues with the power sliding door.

6. Can I repair OBDII code B2591 in my Ford by myself?

- Depending on your level of automotive knowledge, you may be able to address the issue by replacing the detent switch, repairing wiring, or resetting the door control module. However, professional assistance may be needed for more complex repairs.

7. How much does it typically cost to fix OBDII code B2591 in a Ford?

- The cost of repairs can vary depending on the specific cause of the issue, but it may range from $100 for a simple switch replacement to several hundred dollars for more extensive repairs.

8. Will resetting the OBDII code B2591 in my Ford make the problem go away?

- Resetting the code may temporarily clear the warning light, but it will not fix the underlying issue causing the code to trigger in the first place.

9. Can a faulty detent switch cause other problems in my Ford besides triggering OBDII code B2591?

- Yes, a faulty detent switch can lead to other issues such as erratic door operation, potential safety concerns, and further damage to the power sliding door system.

10. How can I prevent OBDII code B2591 from reoccurring in my Ford?

- Regularly inspecting and maintaining the power sliding door components, addressing any issues promptly, and following the manufacturer's recommended service schedule can help prevent the code from reoccurring.