AutoCodes – Chrysler – P2506 Chrysler

P2506 Chrysler Code - ECM/PCM Power Input Signal Range/Performance

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: P2506 Chrysler indicates ECM/PCM Power Input Signal Range/Performance.
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 2,135

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 P2506 Chrysler 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 P2506 Chrysler - ECM/PCM Power Input Signal Range/Performance - AutoCodes.com — P2506 Chrysler Code - ECM/PCM Power Input Signal Range/Performance

What does this mean?

What are the Possible Causes of the DTC P2506 Chrysler?

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 P2506 Chrysler?

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 P2506 Chrysler 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 P2506 Chrysler code?

Need more information on how to fix the P2506 Chrysler 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 P2506 Chrysler Code

1. What does the OBDII code P2506 mean on a Chrysler vehicle?

P2506 indicates that the ECM/PCM has detected an issue with its power input signal, specifically that it's outside the expected range or performance parameters.

2. What are the common symptoms of a P2506 code?

Symptoms may include difficulty starting the engine, stalling, intermittent power loss, poor fuel efficiency, or the check engine light being illuminated.

3. What causes the P2506 code on Chrysler vehicles?

Common causes include a weak or failing battery, loose or corroded battery terminals, a faulty ECM/PCM relay, poor wiring connections, or a malfunctioning alternator.

4. Can a bad alternator trigger the P2506 code?

Yes, a failing alternator that is not providing consistent voltage to the ECM/PCM can cause the P2506 code to appear.

5. How do you diagnose a P2506 code on a Chrysler?

Start by inspecting the battery condition, terminals, and connections. Check the alternator output, ECM/PCM relay, and associated wiring for damage or loose connections.

6. Can a weak battery cause the P2506 code?

Yes, a weak or dying battery can cause insufficient power to the ECM/PCM, triggering the P2506 code.

7. What repairs can fix the P2506 code?

Repairs may include replacing a failing battery, cleaning or tightening battery terminals, replacing a faulty ECM/PCM relay, repairing damaged wiring, or replacing a failing alternator.

8. Is it safe to drive with a P2506 code?

Driving with this code is not recommended, as it could lead to stalling or further electrical issues that may leave you stranded.

9. Can a software issue in the ECM/PCM cause the P2506 code?

While rare, a software glitch in the ECM/PCM could potentially cause this code. Reflashing or updating the software may resolve the issue.

10. How much does it cost to fix a P2506 code on a Chrysler?

The repair cost varies depending on the cause. Battery replacement costs around $100-$300, alternator repairs $300-$800, and wiring or relay repairs vary based on labor and parts.