AutoCodes – KIA – P2508 KIA

P2508 KIA Code - ECM/PCM Power Input Signal High

Quick Answer

When the ignition switch is turned "ON", the battery voltage is applied from the battery to the Powertrain Control Module (PCM)/Engine Control Module (ECM) through the main relay. Common causes include Low battery voltage, Faulty Powertrain Control Module (PCM)/Engine Control Module (ECM), ECM/PCM harness is open or shorted. 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: P2508 KIA indicates ECM/PCM Power Input Signal High.
Common causes: Common causes include Low battery voltage, Faulty Powertrain Control Module (PCM)/Engine Control Module (ECM), ECM/PCM harness is open or shorted.
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 1,524

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 Jan 16, 2019

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P2508 KIA Description

When the ignition switch is turned "ON", the battery voltage is applied from the battery to the Powertrain Control Module (PCM)/Engine Control Module (ECM) through the main relay. In case that the ignition switch is turned "OFF", the ECM/PCM is supplied with power through the battery power input line to control the basic operation of the vehicle. The ECM/PCM set the OBDII code when the ECM/PCM Power Input is out of factory specifications.

OBDII Code P2508 KIA - ECM/PCM Power Input Signal High - AutoCodes.com — P2508 KIA Code - ECM/PCM Power Input Signal High

What does this mean?

What are the Possible Causes of the DTC P2508 KIA?

Low battery voltage
Faulty Powertrain Control Module (PCM)/Engine Control Module (ECM)
ECM/PCM harness is open or shorted
ECM/PCM circuit poor electrical connection

How to Fix the DTC P2508 KIA?

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 P2508 KIA 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 P2508 KIA code?

Need more information on how to fix the P2508 KIA code? Get Access to Factory Service Manuals

Need Help with the Code?

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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 P2508 KIA Code

1. What are the common symptoms of OBDII code P2508 in a KIA vehicle?

- Common symptoms include the check engine light illuminating on the dashboard, reduced engine performance, and difficulty starting the vehicle.

2. What does the OBDII code P2508 KIA indicate?

- The code P2508 indicates a high input signal from the ECM/PCM power circuit in the KIA vehicle.

3. What are the possible causes of the ECM/PCM power input signal high error code (P2508) in a KIA?

- Possible causes include a faulty ECM/PCM power relay, damaged wiring or connectors in the power circuit, or a malfunctioning ECM/PCM unit.

4. How can I diagnose the OBDII code P2508 in my KIA?

- Diagnosis typically involves using a diagnostic scanner to retrieve the code, examining the power circuit for any visible damage, and testing the ECM/PCM power relay for proper function.

5. Can I continue driving my KIA with the P2508 code?

- It is not recommended to drive your vehicle with the P2508 code active, as it can lead to further damage and potential safety issues. It's best to address the issue promptly.

6. How can I repair the ECM/PCM power input signal high error code in my KIA?

- Repair options may include replacing the faulty ECM/PCM power relay, repairing damaged wiring or connectors, or replacing the ECM/PCM unit if necessary.

7. Are there any DIY tips for fixing the P2508 code in my KIA?

- While some basic troubleshooting like checking for loose connections or damaged wires can be done DIY, it is recommended to have a professional mechanic diagnose and repair the issue to ensure proper resolution.

8. Is the repair for the P2508 code covered under warranty for KIA vehicles?

- The coverage of repairs for the P2508 code under warranty can vary based on the vehicle's age, mileage, and specific warranty terms. It's best to check with your KIA dealership for warranty coverage details.

9. Can a bad battery cause the ECM/PCM power input signal high error code (P2508) in a KIA?

- Yes, a weak or faulty battery can sometimes lead to electrical issues, including triggering the P2508 error code. It's recommended to have the battery tested as part of the diagnostic process.

10. Will resetting the OBDII code P2508 clear the issue in my KIA?

- Resetting the code may temporarily turn off the check engine light, but it will not fix the underlying issue causing the P2508 code. It's important to diagnose and address the root cause of the problem.