AutoCodes – Ford – B1336 Ford

B1336 Ford 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 Ford 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 3,212

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

What does this mean?

What are the Possible Causes of the DTC B1336 Ford?

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 Ford?

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 Ford 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.

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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 B1336 Ford Code

1. What are the common symptoms of OBDII code B1336 in a Ford related to the right rear door ajar circuit?

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

2. What are some possible causes of OBDII code B1336 indicating a right rear door ajar circuit open in a Ford?

- Potential causes include a faulty door ajar switch, damaged wiring in the circuit, or a malfunctioning door latch.

3. How can I diagnose the OBDII code B1336 in my Ford indicating a right rear door ajar circuit open?

- You can start by visually inspecting the wiring and connectors, checking the door ajar switch operation, and using a multimeter to test for continuity in the circuit.

4. Can a malfunctioning right rear door ajar circuit impact the overall performance of my Ford vehicle?

- Yes, a faulty door ajar circuit can lead to issues with the interior lights, power locks, and potentially affect the security system of the vehicle.

5. What are some repair tips for addressing OBDII code B1336 related to a right rear door ajar circuit open in a Ford?

- Repair tips may include replacing the door ajar switch, repairing damaged wiring, ensuring proper alignment of the door, and resetting the system after repairs.

6. Is it safe to continue driving my Ford with the OBDII code B1336 indicating a right rear door ajar circuit issue?

- It is generally safe to drive, but it is recommended to address the issue promptly to prevent potential electrical problems or security issues.

7. Will resetting the OBDII code B1336 in a Ford resolve the right rear door ajar circuit open problem?

- Resetting the code may temporarily turn off the warning lights, but it will not fix the underlying issue causing the right rear door ajar circuit open.

8. How much does it typically cost to repair OBDII code B1336 related to a right rear door ajar circuit issue in a Ford?

- The cost of repair can vary depending on the specific cause of the problem, but it may involve parts and labor expenses ranging from $100 to $300 or more.

9. Can extreme weather conditions affect the right rear door ajar circuit and trigger OBDII code B1336 in a Ford?

- Yes, extreme temperatures or moisture can potentially cause wiring or switch malfunctions, leading to the right rear door ajar circuit issue.

10. Are there any recalls or technical service bulletins related to OBDII code B1336 and the right rear door ajar circuit in Ford vehicles?

- It is advisable to check with a Ford dealership or visit the manufacturer's website to see if there are any relevant recalls or technical service bulletins addressing this specific issue.