AutoCodes – Generic – B1336

B1336 Code - Door Ajar Right Rear Circuit Open

Quick Answer

The Smart Junction Box (SJB) sends a voltage signal to the door ajar switches. Common causes include Faulty Door Ajar Right Rear Switch, Door Ajar Right Rear Switch harness is open or shorted, Door Ajar Right Rear Switch circuit poor electrical connection. Severity is Low - monitor the vehicle and repair when practical. The vehicle can usually be driven if no severe symptoms are present, but symptoms should be checked before extended driving.

What it means: B1336 indicates Door Ajar Right Rear Circuit Open.
Common causes: Common causes include Faulty Door Ajar Right Rear Switch, Door Ajar Right Rear Switch harness is open or shorted, Door Ajar Right Rear Switch circuit poor electrical connection.
Severity: Low - monitor the vehicle and repair when practical.
Can I drive?: The vehicle can usually be driven if no severe symptoms are present, but symptoms should be checked before extended driving.

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Code Popularity 6,191

How popular is this code, among other codes? Low

Repair Importance Level

Low (Monitor) (1 / 3)

Repair Difficulty Level

Intermediate (2 / 3)

What is this?

Table of contents Created and updated by William Orellana on Dec 12, 2024

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code B1336 Description

The Smart Junction Box (SJB) sends a voltage signal to the door ajar switches. The door ajar switch is closed with the door closed. When the door is opened, the signal to ground is interrupted indicating an open door to the SJB. The Diagnostic Trouble Code (DTC) sets when the SJB detects an open from the RH rear door ajar input circuit.

OBDII Code B1336 - Door Ajar Right Rear Circuit Open - AutoCodes.com — B1336 Code - Door Ajar Right Rear Circuit Open

What does this mean?

What are the Possible Causes of the DTC B1336?

Faulty Door Ajar Right Rear Switch
Door Ajar Right Rear Switch harness is open or shorted
Door Ajar Right Rear Switch circuit poor electrical connection
Faulty Smart Junction Box (SJB)

How to Fix the DTC B1336?

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 B1336 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 B1336 code?

Need more information on how to fix the B1336 code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the B1336 code diagnosed by a professional: Find a repair shop in your area

Information for Specific Makes

B1336 Ford — Door Ajar Right Rear Circuit Open
B1336 Infiniti — Front Door Satellite Sensor Right Malfunction
B1336 Lincoln — Door Ajar Right Rear Circuit Open
B1336 Mercury — Door Ajar Right Rear Circuit Open
B1336 Nissan — Front Door Satellite Sensor Right Malfunction

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 B1336 Code

1. What are the common symptoms of OBDII code B1336 (Door Ajar Right Rear Circuit Open)?

- Common symptoms include the right rear door not properly closing, interior lights staying on, and the door ajar warning light on the dashboard.

2. What are the possible causes of OBDII code B1336?

- Possible causes include a faulty door latch, damaged wiring in the right rear door circuit, or a malfunctioning door ajar sensor.

3. How can I diagnose the issue related to OBDII code B1336?

- You can use a scan tool to read the code, visually inspect the right rear door components, and perform electrical tests on the door ajar sensor and wiring.

4. Can I drive my vehicle with OBDII code B1336?

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

5. How can I repair OBDII code B1336?

- Repair options include fixing or replacing the door latch, repairing damaged wiring, or replacing the door ajar sensor in the right rear door.

6. Can weather conditions affect the occurrence of OBDII code B1336?

- Yes, extreme weather conditions such as cold temperatures or heavy rain can sometimes cause issues with door latches or sensors, leading to the code being triggered.

7. Will resetting the OBDII code B1336 make the issue go away?

- Resetting the code may temporarily turn off the warning light, but it will not fix the underlying problem causing the code to appear.

8. Is OBDII code B1336 a common issue in certain vehicle models?

- This code can be more common in vehicles with electronic door sensors and latches, especially in models known for door ajar issues.

9. Can I fix OBDII code B1336 myself, or do I need a professional mechanic?

- Depending on your skill level and access to tools, you may be able to address this code yourself by following diagnostic procedures and repair guides. However, if you are unsure, it is recommended to consult a professional mechanic.

10. How can I prevent OBDII code B1336 from occurring in the future?

- Regularly inspecting and maintaining your vehicle's door components, keeping them clean and lubricated, can help prevent issues that lead to this code.