P2535 2017 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 2017 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 2017 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 2017 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 2017 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 2017 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.
Need more information about the P2535 2017 GMC Sierra code?
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Frequently Asked Questions about P2535 2017 GMC Sierra Code
1. What are the common symptoms of OBDII code P2535 in a 2017 GMC Sierra?
- Common symptoms include difficulty starting the vehicle, loss of power, and potentially, the engine stalling.
2. What can cause the Ignition On/Start Switch Circuit High Voltage error code (P2535) in a 2017 GMC Sierra?
- The code P2535 can be triggered by issues such as a faulty ignition switch, damaged wiring, or a malfunctioning starter relay.
3. How serious is the OBDII code P2535 in a 2017 GMC Sierra?
- While the vehicle may still be drivable with this code, it is important to address it promptly to avoid potential safety hazards and further damage to the vehicle.
4. Can driving with the P2535 code present cause any long-term damage to the vehicle?
- Continuing to drive with the P2535 code may lead to increased wear on the starter motor and other related components, potentially resulting in more costly repairs.
5. What are some DIY repair tips for addressing the Ignition On/Start Switch Circuit High Voltage code in a 2017 GMC Sierra?
- DIY enthusiasts can start by checking the ignition switch, inspecting the wiring for any visible damage, and testing the starter relay for proper functionality.
6. Is it recommended to reset the OBDII code P2535 in a 2017 GMC Sierra after making repairs?
- Yes, it is advisable to clear the error code after fixing the underlying issue to see if the problem has been successfully resolved.
7. Can a faulty battery or alternator cause the P2535 code to appear in a 2017 GMC Sierra?
- While less common, issues with the battery or alternator could potentially trigger the P2535 code due to disruptions in the electrical system.
8. How much can a professional repair for the P2535 code in a 2017 GMC Sierra typically cost?
- The cost of professional repairs for the P2535 code can vary depending on the exact cause of the issue and the rates charged by the repair shop, but it may range from $100 to $300 or more.
9. Will the check engine light remain illuminated in a 2017 GMC Sierra after fixing the Ignition On/Start Switch Circuit High Voltage issue?
- After successfully repairing the underlying problem causing the P2535 code, the check engine light should turn off once the vehicle's computer detects that the issue has been resolved.
10. How can a mechanic diagnose the specific cause of the P2535 code in a 2017 GMC Sierra?
- A mechanic can use a diagnostic scanner to retrieve additional error codes, perform voltage tests on the ignition switch circuit, and inspect related components to pinpoint the exact cause of the issue.
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