Engine-CodesGeneric – P2538

P2538 Code - Ignition Switch Accessory Position Circuit High

Quick Answer

The diagnostic trouble code P2538 indicates a problem with the ignition switch accessory position circuit being high, meaning that there is a higher than normal voltage detected in the circuit. Common causes include Faulty ignition switch, Damaged wiring or connectors in the ignition switch accessory circuit, Malfunctioning control module. 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
P2538 indicates Ignition Switch Accessory Position Circuit High.
Common causes
Common causes include Faulty ignition switch, Damaged wiring or connectors in the ignition switch accessory circuit, Malfunctioning control module.
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.
Table of contents Created and updated by William Orellana on Sep 06, 2024
💬 Need more help? Ask Auto Expert for instant answers — it's free!
AutoCodes App

Fix Your Car Smarter

Try the New AutoCodes App!

Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.

AutoCodes App on Google Play

Code P2538 Description

The diagnostic trouble code P2538 indicates a problem with the ignition switch accessory position circuit being high, meaning that there is a higher than normal voltage detected in the circuit. This code typically affects the vehicle's ability to properly start or operate in accessory mode, where certain electrical components such as the radio or power windows are powered without the engine running. The high voltage in the circuit may prevent the ignition switch from functioning correctly, leading to issues with starting the vehicle or using accessory functions.

OBDII Code P2538 - Ignition Switch Accessory Position Circuit High
P2538 Code - Ignition Switch Accessory Position Circuit High

Common Causes of P2538

  1. Faulty ignition switch
  2. Damaged wiring or connectors in the ignition switch accessory circuit
  3. Malfunctioning control module
  4. Corrosion in the circuit connections
  5. Electrical issues related to the battery or alternator

Symptoms of P2538

  1. Difficulty starting the vehicle
  2. Inability to turn on accessory functions (radio, power windows, etc.)
  3. Intermittent loss of power while driving
  4. Dashboard warning lights related to the ignition system

How to Fix P2538

  1. Begin by checking the battery voltage and ensuring it is within the correct range.
  2. Inspect the wiring and connectors in the ignition switch accessory circuit for any damage or corrosion.
  3. Test the ignition switch for proper functionality and replace if necessary.
  4. Scan the vehicle's computer system to clear the trouble code and reset any associated warning lights.
  5. Test the vehicle to ensure that the issue has been resolved and that all systems are functioning correctly.

Cost to Fix P2538

The cost of repairing a P2538 code can vary depending on the specific cause of the issue and the labor rates in your area. Typically, this repair could range from $100 to $300, including parts and labor. However, it's important to note that rates can vary significantly, so it's advisable to get a quote from a local auto repair shop for a more accurate estimate. Additionally, diagnostic time and labor rates can impact the final cost, so it's recommended to inquire about these factors before proceeding with the repair.

Need more information about the P2538 code?

Need more information on how to fix the P2538 code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P2538 code diagnosed by a professional: Find a repair shop in your area

Code P2538 Information for Specific Makes

  • P2538 Dodge — Ignition Switch Accessory Position Circuit High
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 P2538 Code

No Frequently Asked Questions about P2538 Code found.

Discuss the causes and fixes for P2538 OBDII Code

Code P2538 comments

No comments found for this page.