P2535 2016 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 2016 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 2016 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 2016 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 2016 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.
Code Tech Notes
2016-2018 Chevrolet Silverado 1500
2019 Chevrolet Silverado LD
Dead Battery / P1682 P129D P10E4 P2535 / Crank No Start
What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the P2535 2016 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 2016 GMC Sierra Code
1. What are the common symptoms of OBDII code P2535 in a 2016 GMC Sierra?
- Common symptoms include difficulty starting the vehicle, engine stalling, and illuminated Check Engine Light.
2. What does the OBDII code P2535 on a 2016 GMC Sierra mean?
- The code P2535 indicates a high voltage condition in the ignition on/start switch circuit.
3. What are some possible causes of OBDII code P2535 in a 2016 GMC Sierra?
- Potential causes include a faulty ignition switch, damaged wiring in the ignition circuit, or a malfunctioning ignition switch relay.
4. How can I diagnose the issue related to OBDII code P2535 in my 2016 GMC Sierra?
- Diagnose the problem by checking the ignition switch for proper operation, inspecting the wiring for any damage, and testing the ignition switch relay.
5. Can I still drive my 2016 GMC Sierra with OBDII code P2535 present?
- It is not recommended to drive the vehicle with the code present, as it may lead to starting issues or engine stalling while driving.
6. How can I repair OBDII code P2535 in a 2016 GMC Sierra?
- Repair options include replacing the faulty ignition switch, repairing any damaged wiring, or replacing the ignition switch relay as needed.
7. Is it possible to reset OBDII code P2535 in a 2016 GMC Sierra without repairing the issue?
- While you can clear the code with an OBDII scanner, it is crucial to address the underlying problem to prevent further issues.
8. Can extreme weather conditions trigger OBDII code P2535 in a 2016 GMC Sierra?
- Extreme temperature fluctuations or exposure to moisture can potentially cause electrical issues leading to code P2535.
9. How much does it typically cost to fix OBDII code P2535 in a 2016 GMC Sierra?
- The cost of repair can vary depending on the exact cause of the issue, but it may range from $100 to $300 for parts and labor.
10. Are there any preventative measures to avoid OBDII code P2535 in a 2016 GMC Sierra?
- Regularly inspecting the ignition system components and addressing any issues promptly can help prevent OBDII code P2535 from occurring.
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