AutoCodes – Generic – B1300

B1300 Code - Power Door Lock Circuit Failure

Quick Answer

The Body Control Module (BCM) monitors the Power Door Lock. Common causes include Faulty Power Door Lock, Power Door Lock harness is open or shorted, Power Door Lock 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: B1300 indicates Power Door Lock Circuit Failure.
Common causes: Common causes include Faulty Power Door Lock, Power Door Lock harness is open or shorted, Power Door Lock 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 14,354

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 Nov 29, 2024

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code B1300 Description

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

OBDII Code B1300 - Power Door Lock Circuit Failure - AutoCodes.com — B1300 Code - Power Door Lock Circuit Failure

What does this mean?

What are the Possible Causes of the DTC B1300?

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

How to Fix the DTC B1300?

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 B1300 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 B1300 code?

Need more information on how to fix the B1300 code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the B1300 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 B1300 Code

1. What are the common symptoms of OBDII code B1300, Power Door Lock Circuit Failure?

- The common symptoms include power door locks not functioning properly, such as not locking or unlocking when using the key fob or interior controls.

2. What are the possible causes of OBDII code B1300?

- The possible causes of code B1300 include damaged wiring in the power door lock circuit, a faulty door lock actuator, a blown fuse, or a malfunctioning body control module.

3. How can I diagnose the Power Door Lock Circuit Failure related to code B1300?

- You can diagnose the issue by visually inspecting the wiring for any damage, testing the door lock actuator for proper function, checking the fuse related to the door locks, and using a scan tool to retrieve the specific diagnostic trouble code.

4. Can I still drive my vehicle with OBDII code B1300 present?

- Yes, you can still drive your vehicle with code B1300, but you may experience inconvenience due to the power door locks not working properly.

5. How can I repair OBDII code B1300, Power Door Lock Circuit Failure?

- To repair code B1300, you may need to repair or replace damaged wiring, replace the door lock actuator if faulty, check and replace any blown fuses, or reprogram the body control module if necessary.

6. Is it possible to reset OBDII code B1300 without fixing the underlying issue?

- Resetting the code without fixing the underlying issue may temporarily clear the code, but it is not recommended as the problem will likely persist and the code will return.

7. Can extreme weather conditions cause OBDII code B1300 to trigger?

- Yes, extreme weather conditions such as excessive heat or moisture can potentially cause issues with the power door lock circuit, leading to the triggering of code B1300.

8. Will OBDII code B1300 affect other electrical components in the vehicle?

- While code B1300 specifically relates to the power door lock circuit, it is always possible for electrical issues to have ripple effects on other components, so it's important to address the problem promptly.

9. How long does it typically take to repair OBDII code B1300?

- The repair time for code B1300 can vary depending on the exact cause of the issue and the complexity of the repair needed. It may range from a quick fuse replacement to more extensive wiring repairs.

10. Should I seek professional help to fix OBDII code B1300?

- If you are unsure about diagnosing or repairing the issue yourself, or if the repairs are more complex, it is recommended to seek the help of a professional mechanic or technician to properly address code B1300.