AutoCodes – Chevrolet – P2536 Chevrolet

P2536 Chevrolet 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 Chevrolet 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 1,390
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Sep 21, 2022
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Code P2536 Chevrolet 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 Chevrolet - Ignition Accessory Switch Circuit - AutoCodes.com
P2536 Chevrolet Code - Ignition Accessory Switch Circuit

What are the Possible Causes of the DTC P2536 Chevrolet?

  • 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 Chevrolet?

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 Chevrolet 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 Chevrolet code?

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

Need Help with the Code?

Get the P2536 Chevrolet code diagnosed by a professional: Find a repair shop in your area

Information for Specific Chevrolet Models

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 Chevrolet Code

1. What are the common symptoms of OBDII code P2536 in a Chevrolet related to the Ignition Accessory Switch Circuit?

- Common symptoms include difficulty starting the vehicle, intermittent starting issues, and the engine stalling unexpectedly.

2. What are the potential causes of OBDII code P2536 in a Chevrolet related to the Ignition Accessory Switch Circuit?

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

3. How can I diagnose OBDII code P2536 in a Chevrolet related to the Ignition Accessory Switch Circuit?

- Diagnose the code by checking the ignition switch operation, inspecting the wiring and connectors for damage, and testing the ignition relay for proper function.

4. Can a DIY enthusiast repair OBDII code P2536 in a Chevrolet related to the Ignition Accessory Switch Circuit?

- Depending on the specific cause, DIY repairs may be possible, such as replacing a faulty ignition switch or repairing damaged wiring. However, complex issues may require professional assistance.

5. What are some tips for repairing OBDII code P2536 in a Chevrolet related to the Ignition Accessory Switch Circuit?

- Tips include ensuring the battery is disconnected before working on the electrical system, using a multimeter to test components, and following a repair manual specific to your Chevrolet model.

6. Will OBDII code P2536 in a Chevrolet related to the Ignition Accessory Switch Circuit cause permanent damage if left unrepaired?

- Ignoring the code can lead to further electrical issues and potential safety hazards, so it is advisable to address the problem promptly to prevent any long-term damage.

7. How long does it typically take to repair OBDII code P2536 in a Chevrolet related to the Ignition Accessory Switch Circuit?

- The repair time can vary depending on the exact cause of the code, but simple fixes like replacing a faulty ignition switch may take a few hours, while more complex issues could take longer.

8. Are there any known recalls or service bulletins related to OBDII code P2536 in Chevrolet vehicles concerning the Ignition Accessory Switch Circuit?

- Check with Chevrolet or the National Highway Traffic Safety Administration (NHTSA) for any relevant recalls or service bulletins related to this specific OBDII code.

9. Can extreme weather conditions affect the triggering of OBDII code P2536 in a Chevrolet related to the Ignition Accessory Switch Circuit?

- Yes, extreme temperatures or moisture can exacerbate electrical issues, potentially leading to the triggering of the OBDII code. It's important to keep the vehicle's electrical system well-maintained.

10. Is it safe to continue driving a Chevrolet with OBDII code P2536 related to the Ignition Accessory Switch Circuit?

- While the vehicle may still be operable with this code present, it is recommended to have the issue diagnosed and repaired as soon as possible to avoid potential safety risks and further damage.

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