AutoCodes – Generic – B2593

B2593 Code - Door Reversed While Closing Due To An Obstacle

Quick Answer

When the Power Sliding Door (PSD) Module receives a close signal, power is supplied to the drive assembly actuator clutch and motor. Common causes include Obstacle, Power Sliding Door (PSD) Adjustment, Low Battery Voltage. 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: B2593 indicates Door Reversed While Closing Due To An Obstacle.
Common causes: Common causes include Obstacle, Power Sliding Door (PSD) Adjustment, Low Battery Voltage.
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 4,130

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
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Code B2593 Description

When the Power Sliding Door (PSD) Module receives a close signal, power is supplied to the drive assembly actuator clutch and motor. As the power sliding door is powered close, the position sensor is monitored for door position and velocity. If the PSD module detects an obstacle during a PSD self-test, DTC B2593 sets.

OBDII Code B2593 - Door Reversed While Closing Due To An Obstacle - AutoCodes.com — B2593 Code - Door Reversed While Closing Due To An Obstacle

What does this mean?

What are the Possible Causes of the DTC B2593?

Obstacle
Power Sliding Door (PSD) Adjustment
Low Battery Voltage

How to Fix the DTC B2593?

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 B2593 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 B2593 code?

Need more information on how to fix the B2593 code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the B2593 code diagnosed by a professional: Find a repair shop in your area

Information for Specific Makes

B2593 Buick — Column Lock/Unlock Drive 'B'
B2593 Cadillac — Column Lock/Unlock Drive 'B'
B2593 Chevrolet — Column Lock/Unlock Drive 'B'
B2593 Ford — Door Reversed While Closing Due To An Obstacle
B2593 GMC — Column Lock/Unlock Drive 'B'
B2593 Lincoln — Door Reversed While Closing Due To An Obstacle
B2593 Mercury — Door Reversed While Closing Due To An Obstacle

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 B2593 Code

1. What does the OBDII code B2593 mean?

The B2593 code indicates that a vehicle's door reversed its closing motion due to detecting an obstacle in its path, typically as part of the automatic door or power sliding door system.

2. What are common symptoms of the B2593 code?

Symptoms may include the door reversing direction when trying to close, the door stopping mid-operation, or a warning light or message appearing on the dashboard.

3. What causes the B2593 code?

Common causes include an obstruction in the door's path, a faulty door sensor, a misaligned door track, or a malfunction in the door motor or control module.

4. How can I troubleshoot the B2593 code?

Start by checking the door tracks for debris or obstructions, inspect the door sensors for damage or dirt, and ensure the door moves smoothly without resistance.

5. Can the B2593 code be triggered by environmental factors?

Yes, environmental factors like dirt, ice, or debris on the door track or sensor can cause the door to reverse and trigger the code.

6. Is it safe to drive with the B2593 code active?

Yes, it is generally safe to drive, but the affected door may not operate properly. Fixing the issue promptly is recommended to prevent further damage.

7. How do I reset the B2593 code after fixing the issue?

After the problem is resolved, you can clear the code using an OBDII scanner, or the vehicle may reset itself after several successful door operations.

8. Can a faulty door motor cause the B2593 code?

Yes, a malfunctioning door motor may incorrectly detect resistance, leading to the door reversal and triggering the code.

9. How much does it cost to repair the B2593 code issue?

Costs vary depending on the cause, ranging from a simple cleaning or realignment (low cost) to replacing a door sensor or motor (higher cost).

10. Can I fix the B2593 code issue myself?

If the issue is due to a simple obstruction or dirty sensor, you can likely fix it yourself. For more complex problems like motor or control module failure, professional assistance may be required.