AutoCodes – Generic – B1335

B1335 Code - Door Ajar Right Rear Circuit Failure

Quick Answer

The Body Control Module (BCM) monitors the Door Ajar Right Rear Switch. 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: B1335 indicates Door Ajar Right Rear Circuit Failure.
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 9,375

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 B1335 Description

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

OBDII Code B1335 - Door Ajar Right Rear Circuit Failure - AutoCodes.com — B1335 Code - Door Ajar Right Rear Circuit Failure

What does this mean?

What are the Possible Causes of the DTC B1335?

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 Body Control Module (BCM)

How to Fix the DTC B1335?

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 B1335 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 B1335 code?

Need more information on how to fix the B1335 code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the B1335 code diagnosed by a professional: Find a repair shop in your area

Information for Specific Makes

B1335 Hyundai — Passenger-Side Front Impact Sensor Wrong ID
B1335 KIA — Passenger-Side Front Impact Sensor Wrong ID

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 B1335 Code

1. What does OBDII code B1335 mean?

Code B1335 indicates a failure in the Door Ajar Right Rear Circuit, typically caused by an issue with the door ajar switch, its wiring, or related components.

2. What are the symptoms of a B1335 code?

Common symptoms include the "door ajar" warning light staying on, interior lights remaining illuminated, or the vehicle not locking properly.

3. What causes the B1335 code?

The most common causes are a faulty right rear door ajar switch, damaged or corroded wiring, or a loose electrical connection in the circuit.

4. Can a B1335 code drain the battery?

Yes, if the door ajar warning light or interior lights stay on continuously, it can lead to battery drain over time.

5. How can I diagnose the B1335 code?

Inspect the right rear door ajar switch for damage, check the wiring and connectors for corrosion or breaks, and use a multimeter to test for continuity in the circuit.

6. Can I drive with a B1335 code?

Yes, but it may cause inconvenience with the door ajar warning light and could prevent the vehicle from locking properly, which might compromise security.

7. How do I fix a B1335 code?

Repairs typically involve replacing the faulty door ajar switch, repairing or replacing damaged wiring, or cleaning corroded connectors in the circuit.

8. Is the B1335 code specific to certain vehicles?

The B1335 code is most often found in Ford, Lincoln, and Mercury vehicles, but it may also appear on other makes and models.

9. How much does it cost to repair a B1335 code?

Repair costs can range from $50 to $200, depending on whether the issue is a simple switch replacement or involves extensive wiring repairs.

10. Can a B1335 code trigger other issues?

Yes, it can interfere with automatic interior lighting, security systems, or keyless entry if the vehicle doesnâ€™t recognize the doorâ€™s status correctly.