ezOBD2 - Free OBD2 Code Lookup and Check Engine Light Diagnostic Tool

Diagnose Your Check Engine Light

Enter OBDII code below:

Code B2601

Symptoms

• Door does not stay closed

• Door reverses and opens automatically

• Warning light on the dashboard

Common Causes

• Faulty door latch mechanism

• Defective door latch sensor

• Wiring issues in the door latch circuit

Glossary

Latch: A mechanical device used to hold a door closed.

Sensor: A device that detects or measures a physical property and records, indicates, or otherwise responds to it.

Related Codes

• B2602

• B2603

Laymans terms

This code means that when the car door was supposed to close, it didn't latch properly and opened back up.

Explanation

The vehicle's system did not receive a signal that the door latch engaged when the door was closed, causing the door to reverse and open again.

Technical description

The B2601 code is triggered when the control module detects that the door latch signal is not present when the door is supposed to be closed. This may cause the door to reverse its motion and open again, indicating a failure in the door latch mechanism or its sensor.

Diagnosis steps

• Inspect the door latch mechanism for physical damage.

• Check the door latch sensor for proper operation.

• Examine the wiring and connectors in the door latch circuit.

Repair procedures

• Replace the faulty door latch mechanism.

• Repair or replace the defective door latch sensor.

• Fix any damaged wiring or connectors in the circuit.

Tools required

• Multimeter

• Screwdriver set

• Diagnostic scan tool

Estimated repair cost

$100 - $300

Difficulty level

Moderate

Commonly affected vehicles

• Toyota Camry

• Honda Accord

• Ford Fusion

Preventive measures

• Regularly inspect door latch components.

• Keep door latch mechanisms clean and lubricated.

• Ensure proper electrical connections in the door latch circuit.

Error code type

Body System Issue

User experience recommendations

• Do not force the door closed if it reverses.

• Seek professional assistance for diagnosis and repair.

Warranty information

Check with your vehicle manufacturer for specific warranty coverage on door components.

Historical data

The B2601 code has been reported in vehicles with power sliding doors or automatic closing mechanisms, particularly in models with higher mileage.

Urgency level

Moderate – While not immediately dangerous, it should be addressed to ensure the door closes properly and securely.

Legal and safety notice

Driving with a door that does not close properly can be unsafe. Ensure repairs are made to maintain vehicle safety.

Testing conditions

• Vehicle parked on a level surface

• Doors operated manually and automatically

Component location

The door latch mechanism and sensor are located within the door panel, typically near the edge of the door.

FAQs

Q: Can I drive with a B2601 code?
A: It's not recommended to drive with a door that doesn't latch properly as it can be unsafe.

Q: How can I prevent this issue?
A: Regular maintenance and inspection of the door latch mechanism can help prevent this issue.

Last updated: Jun 8, 2026 • Source: internal database
🌙