AutoCodes – Generic – B1565

B1565 Code - Door Ajar Circuit Short To Battery

Quick Answer

The Body Control Module (BCM) monitors the Door Ajar Switch. Common causes include Faulty Door Ajar Switch, Door Ajar Switch harness is open or shorted, Door Ajar 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: B1565 indicates Door Ajar Circuit Short To Battery.
Common causes: Common causes include Faulty Door Ajar Switch, Door Ajar Switch harness is open or shorted, Door Ajar 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 5,688

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 May 02, 2019

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code B1565 Description

The Body Control Module (BCM) monitors the Door Ajar Switch. The BCM sets the OBDII code when the Door Ajar Switch is not to factory specifications.

OBDII Code B1565 - Door Ajar Circuit Short To Battery - AutoCodes.com — B1565 Code - Door Ajar Circuit Short To Battery

What does this mean?

What are the Possible Causes of the DTC B1565?

Faulty Door Ajar Switch
Door Ajar Switch harness is open or shorted
Door Ajar Switch circuit poor electrical connection
Faulty Body Control Module (BCM)

How to Fix the DTC B1565?

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 B1565 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 B1565 code?

Need more information on how to fix the B1565 code? Get Access to Factory Service Manuals

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 B1565 Code

1. What are the common symptoms of OBDII code B1565 (Door Ajar Circuit Short To Battery)?

- Common symptoms include the interior lights staying on, door ajar warning light on the dashboard, and potential issues with power door locks.

2. What can cause the OBDII code B1565 to trigger?

- This code is typically triggered by a short circuit in the door ajar circuit that leads to the battery.

3. How can I diagnose the cause of OBDII code B1565?

- To diagnose this code, you can start by visually inspecting the door ajar sensors and wiring for any visible damage or corrosion. Using a multimeter to test the circuit continuity can also help pinpoint the issue.

4. Can a malfunctioning door switch cause the OBDII code B1565?

- Yes, a malfunctioning door switch can lead to the triggering of this code if it causes a short circuit in the door ajar circuit.

5. What are some repair tips for fixing OBDII code B1565?

- Repair tips include checking and repairing any damaged wiring, replacing faulty door ajar sensors or switches, and resetting the fault codes after the repairs are completed.

6. Is it safe to continue driving with OBDII code B1565 present?

- It is generally safe to drive with this code present, but it is recommended to address the issue promptly to avoid potential electrical problems or draining the battery.

7. Can OBDII code B1565 be intermittent?

- Yes, this code can be intermittent if the short circuit in the door ajar circuit occurs sporadically. It is important to address the issue even if it temporarily goes away.

8. Will resetting the fault codes make OBDII code B1565 disappear permanently?

- Resetting the fault codes may temporarily clear the code, but if the underlying issue causing the code is not fixed, it is likely to reappear.

9. Can extreme weather conditions cause OBDII code B1565 to trigger?

- Extreme weather conditions, such as moisture or extreme temperatures, can potentially exacerbate issues with the door ajar circuit and lead to the triggering of this code.

10. How can I prevent OBDII code B1565 from occurring in the future?

- Regularly inspecting and maintaining the door ajar sensors and wiring, keeping them free of debris and moisture, can help prevent the recurrence of this code.