P2536 Fault Code

Ignition Switch Accessory Position Circuit

• What does that mean?
• Symptoms
• Causes
• Solutions

The Ignition Switch Accessory Position Circuit is responsible for controlling the accessory power in your vehicle when the ignition is turned to the accessory position. This circuit allows various electrical components, such as the radio, power windows, and dashboard lights, to function without starting the engine. An issue in this circuit can lead to malfunctioning accessories.

What are the symptoms of the P2536 code?

Symptoms of problems within the Ignition Switch Accessory Position Circuit can include:

• Electrical accessories failing to power on when the ignition switch is turned to the accessory position.
• Intermittent electrical accessory operation.
• Dashboard warning lights illuminating unexpectedly.
• Difficulty in starting the vehicle due to accessories drawing power incorrectly.

What causes the P2536 code?

Common causes of faults in the Ignition Switch Accessory Position Circuit include:

• A faulty ignition switch that does not properly engage the accessory position.
• Wiring issues such as shorts, open circuits, or corrosion that disrupt the electrical flow.
• Poor connections at the ignition switch or related components.
• A blown fuse that protects the accessory circuit.

How to fix P2536?

To resolve issues with the Ignition Switch Accessory Position Circuit, follow these steps:

• Inspect the ignition switch for damage or wear, and replace if faulty.
• Check all wiring and connections associated with the circuit for signs of wear, shorts, or corrosion and repair as necessary.
• Test and, if needed, replace any blown fuses linked to the accessory circuit.
• If problems persist, consult a professional technician for comprehensive diagnostics.