P2535 Chevrolet Code - Ignition On/Start Switch Circuit High Voltage
Quick Answer
The P2535 Chevrolet diagnostic trouble code indicates an issue with the Ignition On/Start Switch Circuit, specifically detecting high voltage. Common causes include Faulty ignition switch, Wiring issues or shorts in the ignition switch circuit, Excessive corrosion or dirt in the ignition switch. 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 Chevrolet indicates Ignition On/Start Switch Circuit High Voltage.
- Common causes
- Common causes include Faulty ignition switch, Wiring issues or shorts in the ignition switch circuit, Excessive corrosion or dirt in the ignition switch.
- 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 P2535 Chevrolet Description
The P2535 Chevrolet diagnostic trouble code indicates an issue with the Ignition On/Start Switch Circuit, specifically detecting high voltage. This code typically gets triggered when the voltage in the ignition switch circuit exceeds the predetermined threshold set by the vehicle's engine control module (ECM). The ignition switch is a crucial component that sends power to the vehicle's systems, including the starter, fuel pump, and ignition system. When the voltage in this circuit is too high, it can result in various performance issues and potential safety concerns.
Common Causes of P2535 Chevrolet
- Faulty ignition switch
- Wiring issues or shorts in the ignition switch circuit
- Excessive corrosion or dirt in the ignition switch
- ECM software or hardware problems
- Electrical system malfunctions
Symptoms of P2535 Chevrolet
- Difficulty starting the vehicle
- Engine stalling or shutting off unexpectedly
- Malfunctioning dashboard lights or warning indicators
- Loss of power steering or other electrical systems
- In some cases, the vehicle may not start at all
How to Fix P2535 Chevrolet
- Begin by diagnosing the issue using a scan tool to confirm the P2535 code and identify the specific problem area.
- Inspect the ignition switch and surrounding wiring for any visible damage, corrosion, or loose connections.
- Test the voltage in the ignition switch circuit to determine if it is indeed too high.
- Replace the ignition switch if it is found to be faulty, damaged, or malfunctioning.
- Clear the trouble code from the ECM's memory and test the vehicle to ensure the issue has been resolved.
Cost to Fix P2535 Chevrolet
The typical repair costs for addressing a P2535 Chevrolet code can vary depending on the specific cause of the issue. In general, the cost of replacing an ignition switch can range from $150 to $300, including parts and labor. Additional costs may be incurred if there are underlying wiring issues or other related problems that need to be addressed. It's important to factor in diagnostic time and labor rates, which can vary based on the location and type of repair shop.
Tech Notes for P2535 Chevrolet
2016-2018 Chevrolet Silverado 1500
2019 Chevrolet Silverado LD
Dead Battery / P1682 P129D P10E4 P2535 / Crank No Start
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Information for Specific Chevrolet Models
- P2535 2014 Chevrolet Silverado — Ignition On/Start Switch Circuit High Voltage
- P2535 2015 Chevrolet Silverado — Ignition On/Start Switch Circuit High Voltage
- P2535 2016 Chevrolet Silverado — Ignition On/Start Switch Circuit High Voltage
- P2535 2017 Chevrolet Silverado — Ignition On/Start Switch Circuit High Voltage
- P2535 2018 Chevrolet Silverado — Ignition On/Start Switch Circuit High Voltage
Frequently Asked Questions about P2535 Chevrolet Code
1. What are the common symptoms of OBDII code P2535 in a Chevrolet vehicle?
- Common symptoms include difficulty starting the engine, intermittent or total loss of power, and the vehicle going into a limp mode.
2. What can cause the OBDII code P2535 in a Chevrolet vehicle?
- The code P2535 is typically triggered by a malfunction in the ignition on/start switch circuit, often caused by a faulty ignition switch, wiring issues, or a defective ignition switch relay.
3. How serious is the OBDII code P2535 in a Chevrolet vehicle?
- The code P2535 should be addressed promptly as it can lead to starting issues and potential safety concerns if the vehicle stalls unexpectedly while driving.
4. Can I drive my Chevrolet with the OBDII code P2535?
- It is not recommended to drive the vehicle with the code P2535 present, as it may result in starting problems or sudden loss of power while on the road.
5. How do I diagnose the OBDII code P2535 in my Chevrolet?
- Diagnosis typically involves using a scan tool to retrieve the code, inspecting the ignition switch and related wiring for any visible damage, and testing the ignition switch relay.
6. What are some repair tips for fixing the OBDII code P2535 in a Chevrolet?
- Repair options may include replacing the faulty ignition switch, repairing or replacing damaged wiring, or replacing the faulty ignition switch relay.
7. Can I reset the OBDII code P2535 in my Chevrolet by disconnecting the battery?
- Disconnecting the battery may clear the code temporarily, but it is not a permanent solution. It is recommended to address the root cause of the code to prevent it from reoccurring.
8. How much does it cost to repair the OBDII code P2535 in a Chevrolet?
- The cost of repairing the OBDII code P2535 can vary depending on the exact cause of the issue, but it may range from $100 to $300 for parts and labor.
9. Will the OBDII code P2535 cause my Chevrolet to fail an emissions test?
- Yes, the OBDII code P2535 may cause your Chevrolet to fail an emissions test, as it indicates a problem with the ignition system that can affect the vehicle's emissions output.
10. Can a DIY enthusiast fix the OBDII code P2535 in a Chevrolet?
- While some experienced DIY enthusiasts may be able to diagnose and repair the issue causing the code P2535, it is recommended to seek professional help for an accurate diagnosis and proper repair.
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