AutoCodes – GMC – B1534 GMC

B1534 GMC Code - Left 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: B1534 GMC indicates Left 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 758

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 B1534 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 B1534 GMC - Left Rear Door Handle Switch Circuit Short To Ground - AutoCodes.com — B1534 GMC Code - Left Rear Door Handle Switch Circuit Short To Ground

What does this mean?

What are the Possible Causes of the DTC B1534 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 B1534 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 B1534 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 B1534 GMC Code

1. What are the common symptoms of OBDII code B1534 GMC (Left Rear Door Handle Switch Circuit Short To Ground)?

- The common symptoms include issues with the left rear door handle switch functionality, such as the switch not working properly or the door not responding to the switch.

2. What are the potential causes of OBDII code B1534 GMC?

- The code B1534 GMC is typically caused by a short to ground in the wiring of the left rear door handle switch circuit.

3. How can I diagnose the OBDII code B1534 GMC?

- Diagnosing the code involves inspecting the wiring harness for any visible damage, testing the continuity of the circuit, and checking the door handle switch for proper functioning.

4. Can I still use the left rear door if OBDII code B1534 GMC is present?

- It is not recommended to use the left rear door if this code is present, as it indicates a potential electrical issue that may affect the door's operation.

5. How can I repair OBDII code B1534 GMC?

- Repairing the code may involve repairing or replacing the damaged wiring in the left rear door handle switch circuit, or replacing the faulty door handle switch.

6. Is it safe to drive with OBDII code B1534 GMC?

- It is not safe to drive with this code present, as it can affect the proper operation of the left rear door handle switch and potentially compromise the safety and security of the vehicle.

7. Can a DIY enthusiast fix OBDII code B1534 GMC?

- While some DIY enthusiasts may be able to diagnose and repair this code, it is recommended to seek professional help to ensure the issue is properly addressed.

8. How much does it cost to fix OBDII code B1534 GMC?

- The cost of fixing this code can vary depending on the extent of the damage and the specific repairs needed. It is advisable to consult a mechanic for an accurate estimate.

9. Will resetting the OBDII system clear code B1534 GMC?

- Resetting the OBDII system may temporarily clear the code, but if the underlying issue is not addressed, the code is likely to reappear.

10. How can I prevent OBDII code B1534 GMC from occurring again?

- Regular maintenance checks and prompt repairs of any electrical issues in the door handle switch circuit can help prevent the recurrence of this OBDII code.