AutoCodes – Cadillac – B1535 Cadillac

B1535 Cadillac 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 Cadillac 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.
AI answers can be wrong. Verify repairs with testing. Open full chat
Code Popularity 928
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on May 02, 2019
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Code B1535 Cadillac 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 Cadillac - Right Rear Door Handle Switch Circuit Short To Ground - AutoCodes.com
B1535 Cadillac Code - Right Rear Door Handle Switch Circuit Short To Ground

What are the Possible Causes of the DTC B1535 Cadillac?

  • 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 Cadillac?

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 Cadillac 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 B1535 Cadillac code?

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Need Help with the Code?

Get the B1535 Cadillac code diagnosed by a professional: Find a repair shop in your area

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 Cadillac Code

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

The common symptoms include malfunctioning right rear door handle switch operation, interior lights not turning on when the door is opened, and possible issues with the power door locks.

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

Possible causes include a faulty right rear door handle switch, damaged wiring or connectors in the circuit, or a short to ground in the electrical system.

3. How can I diagnose the OBDII code B1535 in a Cadillac for the right rear door handle switch circuit short to ground issue?

Diagnosis involves using a multimeter to test the continuity and voltage in the circuit, inspecting the wiring for damage, checking the door handle switch for proper operation, and scanning the vehicle for other related codes.

4. What are some repair tips for addressing OBDII code B1535 in a Cadillac caused by a short to ground in the right rear door handle switch circuit?

Repair tips may involve repairing or replacing damaged wiring, connectors, or the door handle switch, resetting the fault codes, and testing the system to ensure proper functionality.

5. Can OBDII code B1535 in a Cadillac related to the right rear door handle switch circuit short to ground cause any safety concerns?

While the code itself may not pose immediate safety risks, a malfunctioning door handle switch could potentially lead to inconveniences or difficulties in accessing the vehicle from the right rear door.

6. Is it possible to temporarily reset or clear OBDII code B1535 in a Cadillac without addressing the underlying issue?

While clearing the fault code may temporarily turn off the warning light, it is essential to address the root cause of the problem to prevent further issues with the right rear door handle switch circuit.

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

Regularly inspecting the door handle switches, wiring, and connectors for any signs of damage, and addressing any issues promptly can help prevent the occurrence of this OBDII code.

8. Can a DIY enthusiast with some automotive knowledge address OBDII code B1535 in a Cadillac related to the right rear door handle switch circuit short to ground?

Depending on the individual's skill level and access to tools, a DIY enthusiast may be able to diagnose and repair the issue, but it is recommended to consult a professional if unsure about the repair process.

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

The repair time can vary based on the extent of the damage and the specific repair steps needed, but it may take anywhere from 1-3 hours to address the issue effectively.

10. Will ignoring OBDII code B1535 in a Cadillac related to the right rear door handle switch circuit short to ground lead to further electrical problems in the vehicle?

Ignoring the code can potentially lead to further electrical issues in the vehicle, affecting the functionality of the right rear door handle switch and other related components. It is advisable to address the problem promptly.

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