P2535 2015 GMC Sierra 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 2015 GMC Sierra 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.
Code P2535 2015 GMC Sierra Description
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.
What are the Possible Causes of the DTC P2535 2015 GMC Sierra?
- 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 2015 GMC Sierra?
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 P2535 2015 GMC Sierra 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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Frequently Asked Questions about P2535 2015 GMC Sierra Code
1. What does OBDII code P2535 mean for a 2015 GMC Sierra?
This code indicates a problem with the Ignition On/Start Switch Circuit High Voltage in the vehicle.
2. What are the common symptoms of OBDII code P2535 in a 2015 GMC Sierra?
Common symptoms may include difficulty starting the vehicle, engine stalling, and the check engine light being illuminated.
3. What are the possible causes of OBDII code P2535 in a 2015 GMC Sierra?
Potential causes could be a faulty ignition switch, damaged wiring in the ignition circuit, or issues with the ignition switch circuitry.
4. How can I diagnose OBDII code P2535 in my 2015 GMC Sierra?
Diagnosis typically involves using a scan tool to read the code, checking the wiring and connections related to the ignition switch, and testing the switch itself for proper operation.
5. Can I still drive my 2015 GMC Sierra with OBDII code P2535?
It is not recommended to drive the vehicle with this code present, as it can cause issues with starting the engine and potentially lead to stalling while driving.
6. How can I repair OBDII code P2535 in my 2015 GMC Sierra?
Repairing this code may involve replacing the faulty ignition switch, repairing damaged wiring, or addressing any issues with the ignition switch circuit.
7. Is it possible to reset OBDII code P2535 in a 2015 GMC Sierra without fixing the underlying issue?
While you can clear the code with a scan tool, it is important to address the root cause of the problem to prevent the code from reoccurring.
8. Are there any safety concerns associated with OBDII code P2535 in a 2015 GMC Sierra?
One safety concern is the potential for unexpected stalling of the engine, which can be dangerous, especially while driving at higher speeds.
9. Can extreme weather conditions affect OBDII code P2535 in a 2015 GMC Sierra?
Extreme heat or cold can potentially exacerbate issues with the ignition switch circuit, so it is important to address any underlying problems promptly.
10. Is it possible to prevent OBDII code P2535 in a 2015 GMC Sierra through regular maintenance?
While some issues may be unavoidable, performing regular vehicle maintenance checks can help identify potential problems before they escalate into larger issues triggering this code.
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