AutoCodes – Chevrolet – P2535 2017 Chevrolet Silverado

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

Quick Answer

The Body Control Module (BCM) controls the ignition main relay through the control circuit by applying a voltage to the circuit. Common causes include Faulty Ignition On/Start Switch, Ignition On/Start Switch harness is open or shorted, Ignition On/Start Switch 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
P2535 2017 Chevrolet Silverado indicates Ignition On/Start Switch Circuit High Voltage.
Common causes
Common causes include Faulty Ignition On/Start Switch, Ignition On/Start Switch harness is open or shorted, Ignition On/Start Switch 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 1,036
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Aug 12, 2022
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Code P2535 2017 Chevrolet Silverado Description

The Body Control Module (BCM) controls the ignition main relay through the control circuit by applying a voltage to the circuit. The control module samples the system voltage on the Ignition 1 voltage circuit from the ignition main relay every 0.1 s.
The Diagnostic Trouble Code (DTC) will be set when the control module detects greater than 6 V or greater on the ignition voltage circuit, with the ignition turned OFF.
OBDII Code P2535 2017 Chevrolet Silverado - Ignition On/Start Switch Circuit High Voltage - AutoCodes.com
P2535 2017 Chevrolet Silverado Code - Ignition On/Start Switch Circuit High Voltage

What are the Possible Causes of the DTC P2535 2017 Chevrolet Silverado?

  • Faulty Ignition On/Start Switch
  • Ignition On/Start Switch harness is open or shorted
  • Ignition On/Start Switch circuit poor electrical connection
  • Faulty Body Control Module (BCM)

How to Fix the DTC P2535 2017 Chevrolet Silverado?

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.

Code Tech Notes

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P2535 2017 Chevrolet Silverado 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 P2535 2017 Chevrolet Silverado code?

Need more information on how to fix the P2535 2017 Chevrolet Silverado code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P2535 2017 Chevrolet Silverado 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 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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