AutoCodes – GMC – B1535 GMC

B1535 GMC Code - Right Rear Door Handle Switch Circuit Short To Ground

Quick Answer

The exterior door handle switch signal circuits provide inputs to the keyless entry control module when the exterior door handle switches are activated. Common causes include Faulty Door Handle Assembly-Rear Exterior, Door Handle Assembly-Rear Exterior harness is open or shorted, Door Handle Assembly-Rear Exterior 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: B1535 GMC indicates Right Rear Door Handle Switch Circuit Short To Ground.
Common causes: Common causes include Faulty Door Handle Assembly-Rear Exterior, Door Handle Assembly-Rear Exterior harness is open or shorted, Door Handle Assembly-Rear Exterior 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 744

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 B1535 GMC Description

The exterior door handle switch signal circuits provide inputs to the keyless entry control module when the exterior door handle switches are activated. These inputs allow the keyless entry control module to detect a door lock or a door unlock request. The keyless entry control module provides a 12 V signal to each exterior door handle switch via the door handle switch signal circuits. When a door handle switch is pressed, the switch closes and the voltage signals from the Keyless Entry Control Module are pulled to ground.

OBDII Code B1535 GMC - Right Rear Door Handle Switch Circuit Short To Ground - AutoCodes.com — B1535 GMC Code - Right Rear Door Handle Switch Circuit Short To Ground

What does this mean?

What are the Possible Causes of the DTC B1535 GMC?

Faulty Door Handle Assembly-Rear Exterior
Door Handle Assembly-Rear Exterior harness is open or shorted
Door Handle Assembly-Rear Exterior circuit poor electrical connection
Faulty Keyless Entry Control Module

How to Fix the DTC B1535 GMC?

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 B1535 GMC 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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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 B1535 GMC Code

1. What are common symptoms of OBDII code B1535 GMC related to the right rear door handle switch circuit short to ground?

- Common symptoms include the right rear door handle not functioning properly, interior lights staying on, and possible issues with the power door locks.

2. What are possible causes of OBDII code B1535 GMC indicating a short to ground in the right rear door handle switch circuit?

- Causes may include damaged wiring, a faulty door handle switch, a short circuit in the wiring harness, or a problem with the body control module.

3. How can I diagnose the source of the right rear door handle switch circuit short to ground causing OBDII code B1535 GMC?

- You can use a multimeter to test the continuity of the wiring, inspect the door handle switch for damage, check for any visible wiring issues, and perform a scan tool diagnosis.

4. Is it safe to continue driving with OBDII code B1535 GMC triggered by a short to ground in the right rear door handle switch circuit?

- It is not recommended to continue driving with this code as it can lead to further electrical issues and potentially affect the operation of other components in the vehicle.

5. How can I repair OBDII code B1535 GMC related to a short to ground in the right rear door handle switch circuit?

- Repair options include repairing or replacing damaged wiring, replacing the door handle switch if faulty, addressing any short circuits, and resetting the trouble code with a scan tool.

6. Can I fix OBDII code B1535 GMC indicating a short to ground in the right rear door handle switch circuit myself, or should I seek professional help?

- Depending on your experience with automotive electrical systems, you may be able to diagnose and repair this issue yourself. However, seeking professional help is recommended if you are unsure.

7. Will resetting the OBDII code B1535 GMC related to the right rear door handle switch circuit short to ground solve the underlying issue?

- Resetting the code may temporarily clear the warning light, but it will not fix the root cause of the problem. It is important to diagnose and repair the issue to prevent it from recurring.

8. Are there any preventive measures to avoid encountering OBDII code B1535 GMC due to a short to ground in the right rear door handle switch circuit?

- Regularly inspecting the door handle switches, checking the wiring for wear or damage, and addressing any issues promptly can help prevent this code from appearing.

9. How long does it typically take to repair OBDII code B1535 GMC caused by a short to ground in the right rear door handle switch circuit?

- The repair time can vary depending on the exact cause of the issue, but it may take anywhere from 1 to 3 hours to diagnose and fix the problem.

10. Can OBDII code B1535 GMC affecting the right rear door handle switch circuit impact the overall safety of the vehicle?

- While this code may not directly impact the safety of driving, it can lead to inconvenience and potential issues with door operation and electrical systems, making prompt repair important.