AutoCodes – GMC – P2536 2014 GMC Sierra

P2536 2014 GMC Sierra Code - Ignition Accessory Switch Circuit

Quick Answer

The control module continuously monitors the voltage on the Ignition Accessory/Run circuit from the Body Control Module (BCM). Common causes include Faulty Body Control Module (BCM), Body Control Module harness is open or shorted, Body Control Module 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: P2536 2014 GMC Sierra indicates Ignition Accessory Switch Circuit.
Common causes: Common causes include Faulty Body Control Module (BCM), Body Control Module harness is open or shorted, Body Control Module 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.

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Code Popularity 139

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

What is this?

Table of contents Created and updated by William Orellana on Sep 21, 2022

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P2536 2014 GMC Sierra Description

The control module continuously monitors the voltage on the Ignition Accessory/Run circuit from the Body Control Module (BCM). When the ignition is in the ACCESSORY or RUN position, the BCM sends a 12 V wake-up signal to the control module. This wake-up signal allows the control module to power up and start functioning before the engine is started. The Diagnostic Trouble Code (DTC) will be set when the control module detects the Ignition Accessory/Run circuit is less than 6 V for 1 min.

OBDII Code P2536 2014 GMC Sierra - Ignition Accessory Switch Circuit - AutoCodes.com — P2536 2014 GMC Sierra Code - Ignition Accessory Switch Circuit

What does this mean?

What are the Possible Causes of the DTC P2536 2014 GMC Sierra?

Faulty Body Control Module (BCM)
Body Control Module harness is open or shorted
Body Control Module circuit poor electrical connection

How to Fix the DTC P2536 2014 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 P2536 2014 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 P2536 2014 GMC Sierra code?

Need more information on how to fix the P2536 2014 GMC Sierra code? Get Access to Factory Service Manuals

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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 P2536 2014 GMC Sierra Code

1. What are the common symptoms of OBDII code P2536 in a 2014 GMC Sierra?

- Common symptoms include the inability to start the vehicle, the engine stalling, and issues with the ignition system.

2. What does the OBDII code P2536 in a 2014 GMC Sierra indicate?

- This code indicates a problem with the ignition accessory switch circuit.

3. What are the possible causes of OBDII code P2536 in a 2014 GMC Sierra?

- Possible causes include a faulty ignition switch, damaged wiring or connectors in the circuit, or a malfunctioning ignition relay.

4. How can I diagnose the issue related to OBDII code P2536 in my 2014 GMC Sierra?

- You can start by checking the condition of the ignition switch, inspecting the wiring and connectors for any damage, and testing the ignition relay for proper operation.

5. Can I still drive my 2014 GMC Sierra with OBDII code P2536 present?

- It is not recommended to drive the vehicle with this code present as it can lead to potential safety hazards if the ignition system fails while driving.

6. How can I fix OBDII code P2536 in my 2014 GMC Sierra?

- To fix this issue, you may need to replace the faulty ignition switch, repair any damaged wiring or connectors, or replace the malfunctioning ignition relay as necessary.

7. Is it necessary to reset the OBDII code P2536 after making repairs to the ignition system?

- Yes, it is recommended to clear the code using an OBDII scanner after making any repairs to ensure the issue has been resolved.

8. Can a DIY enthusiast repair OBDII code P2536 in a 2014 GMC Sierra?

- While some basic troubleshooting and repairs can be done by a DIY enthusiast, complex issues with the ignition system may require professional assistance.

9. How much does it cost to repair OBDII code P2536 in a 2014 GMC Sierra?

- The cost of repair can vary depending on the specific cause of the issue, but it may range from a few hundred to a thousand dollars, including parts and labor.

10. How can I prevent OBDII code P2536 from recurring in my 2014 GMC Sierra?

- Regular maintenance of the ignition system, checking for any signs of wear or damage, and addressing any issues promptly can help prevent the recurrence of this code.