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P2535 2017 Chevrolet Silverado Code - Ignition On/Start Switch Circuit High Voltage

Quick Answer

The P2535 diagnostic trouble code (DTC) for a 2017 Chevrolet Silverado indicates an issue with the Ignition On/Start Switch Circuit High Voltage. Common causes include Faulty ignition switch, Wiring or connector issues in the ignition switch circuit, Corrosion or poor connections in the switch circuit. 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
P2535 2017 Chevrolet Silverado indicates Ignition On/Start Switch Circuit High Voltage.
Common causes
Common causes include Faulty ignition switch, Wiring or connector issues in the ignition switch circuit, Corrosion or poor connections in the switch circuit.
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.
What is this?
Table of contents Created and updated by William Orellana on Aug 25, 2024
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Code P2535 2017 Chevrolet Silverado Description

The P2535 diagnostic trouble code (DTC) for a 2017 Chevrolet Silverado indicates an issue with the Ignition On/Start Switch Circuit High Voltage. This code is triggered when the powertrain control module (PCM) detects that the voltage on the ignition switch circuit is higher than expected. The ignition switch is a critical component that allows the driver to start the vehicle and control various electrical systems.

OBDII Code P2535 2017 Chevrolet Silverado - Ignition On/Start Switch Circuit High Voltage
P2535 2017 Chevrolet Silverado Code - Ignition On/Start Switch Circuit High Voltage

Common Causes of P2535 2017 Chevrolet Silverado

  1. Faulty ignition switch
  2. Wiring or connector issues in the ignition switch circuit
  3. Corrosion or poor connections in the switch circuit
  4. Issues with the PCM or related control modules
  5. Electrical short circuits

Symptoms of P2535 2017 Chevrolet Silverado

  1. Difficulty starting the vehicle
  2. Engine stalling or rough idling
  3. Loss of power to electrical components
  4. Check Engine Light illuminated
  5. Inability to shift out of Park

How to Fix P2535 2017 Chevrolet Silverado

  1. Begin by diagnosing the root cause of the high voltage issue in the ignition switch circuit using a multimeter and wiring diagrams.
  2. Inspect the ignition switch for any visible damage or signs of wear. Replace the ignition switch if necessary.
  3. Check the wiring and connectors in the ignition switch circuit for corrosion, loose connections, or damage. Repair or replace as needed.
  4. Clear the DTC and reset the PCM to see if the issue persists. Test the vehicle to ensure that the problem has been resolved.
  5. If the problem persists, further diagnostics may be needed to pinpoint the exact cause, such as testing the PCM or related modules for faults.

Cost to Fix P2535 2017 Chevrolet Silverado

The typical repair costs for addressing a P2535 code in a 2017 Chevrolet Silverado can vary depending on the specific cause of the issue. On average, the parts for an ignition switch replacement can range from $50 to $150, while labor costs can range from $100 to $200. Overall, the total repair cost may fall between $150 and $350. It's important to note that these estimates are rough averages and actual costs may vary based on individual circumstances and location. Check with local auto repair shops for more accurate pricing information.

What does this mean?

Tech Notes for P2535 2017 Chevrolet Silverado

There is a Factory Service Bulletin for the following Chevrolet models:
2016-2018 Chevrolet Silverado 1500
2019 Chevrolet Silverado LD
Dead Battery / P1682 P129D P10E4 P2535 / Crank No Start

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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 P2535 2017 Chevrolet Silverado Code

1. What are the common symptoms of OBDII code P2535 in a 2017 Chevrolet Silverado?

The common symptoms of OBDII code P2535 include difficulty starting the vehicle, the engine not cranking, or the engine stalling shortly after starting.

2. What are the possible causes of OBDII code P2535 in a 2017 Chevrolet Silverado?

Possible causes of OBDII code P2535 include a faulty ignition switch, a damaged ignition switch harness, or an issue with the ignition switch circuit.

3. How can I diagnose OBDII code P2535 in my 2017 Chevrolet Silverado?

Diagnosing OBDII code P2535 involves using a diagnostic scanner to retrieve the code, checking the wiring and connections related to the ignition switch, and testing the ignition switch itself for proper functionality.

4. Can I still drive my 2017 Chevrolet Silverado with OBDII code P2535 present?

It is not recommended to drive your vehicle with OBDII code P2535 present, as it can cause potential safety hazards due to the risk of the engine stalling unexpectedly.

5. How can I repair OBDII code P2535 in my 2017 Chevrolet Silverado?

To repair OBDII code P2535, you may need to replace the faulty ignition switch, repair any damaged wiring or connections, or reset the code using a diagnostic scanner after addressing the underlying issue.

6. Is it safe to reset OBDII code P2535 in my 2017 Chevrolet Silverado without fixing the root cause?

Resetting OBDII code P2535 without addressing the root cause, such as a faulty ignition switch, may only provide a temporary solution and could lead to the issue recurring in the future.

7. How much does it typically cost to repair OBDII code P2535 in a 2017 Chevrolet Silverado?

The cost of repairing OBDII code P2535 in a 2017 Chevrolet Silverado can vary depending on the underlying cause, but it may range from $100 to $300 for parts and labor.

8. Can weather conditions affect the occurrence of OBDII code P2535 in my 2017 Chevrolet Silverado?

Extreme weather conditions, such as temperature fluctuations or moisture exposure, can potentially exacerbate issues related to the ignition switch circuit and contribute to the triggering of OBDII code P2535.

9. Will OBDII code P2535 cause any long-term damage to my 2017 Chevrolet Silverado if left unresolved?

Continuing to operate your vehicle with OBDII code P2535 unresolved can potentially lead to further damage to the ignition system and may result in more severe issues over time if not addressed promptly.

10. How can I prevent OBDII code P2535 from recurring in my 2017 Chevrolet Silverado?

To prevent OBDII code P2535 from recurring, it is essential to address any underlying issues promptly, conduct regular maintenance checks on the ignition system, and follow the manufacturer's recommended service schedule.

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