AutoCodes – Chrysler – P2504 Chrysler

P2504 Chrysler Code - Charging System Voltage High

Quick Answer

The Powertrain Control Module (PCM) monitors the charging system for changes in the output voltage. Common causes include Faulty Generator (Alternator), Generator harness is open or shorted, Generator 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: P2504 Chrysler indicates Charging System Voltage High.
Common causes: Common causes include Faulty Generator (Alternator), Generator harness is open or shorted, Generator 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 6,306

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 15, 2019

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P2504 Chrysler Description

The Powertrain Control Module (PCM) monitors the charging system for changes in the output voltage. The PCM set the OBDII P0504 code when the output voltage is out of factory specifications.

OBDII Code P2504 Chrysler - Charging System Voltage High - AutoCodes.com — P2504 Chrysler Code - Charging System Voltage High

What does this mean?

What are the Possible Causes of the DTC P2504 Chrysler?

Faulty Generator (Alternator)
Generator harness is open or shorted
Generator circuit poor electrical connection
Faulty Powertrain Control Module (PCM)

How to Fix the DTC P2504 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 P2504 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.

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Need Help with the Code?

Get the P2504 Chrysler code diagnosed by a professional: Find a repair shop in your area

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 P2504 Chrysler Code

1. What are the common symptoms of OBDII code P2504 in a Chrysler, indicating a high charging system voltage?

- Common symptoms include the battery warning light on the dashboard, flickering lights, or the vehicle's electrical system malfunctioning.

2. What are the possible causes of OBDII code P2504 in a Chrysler, indicating high voltage in the charging system?

- The root causes can be a faulty alternator, voltage regulator issues, a damaged battery, or poor electrical connections.

3. How can I diagnose the high charging system voltage issue related to OBDII code P2504 in my Chrysler?

- You can use a multimeter to measure the voltage output of the alternator and battery, check for loose or corroded connections, and inspect the condition of the battery.

4. Can a high charging system voltage cause damage to other components in my Chrysler when OBDII code P2504 is triggered?

- Yes, an excessively high voltage can damage sensitive electronic components in the vehicle and potentially lead to more severe electrical problems if not addressed promptly.

5. What are some basic repair tips to resolve OBDII code P2504 indicating high voltage in the charging system of a Chrysler?

- Start by checking the battery and alternator connections, testing the alternator's voltage output, and ensuring the alternator and voltage regulator are functioning correctly.

6. Is it safe to continue driving my Chrysler with OBDII code P2504 related to high charging system voltage?

- It is not recommended to drive the vehicle with this issue as it can lead to further electrical problems, potential damage to components, and even a dead battery.

7. How much does it typically cost to repair OBDII code P2504 in a Chrysler due to high charging system voltage?

- The cost can vary depending on the specific cause of the issue, but it may range from a couple of hundred dollars for a simple repair to several hundred dollars for more complex issues like replacing the alternator.

8. Can resetting the OBDII code P2504 related to high charging system voltage in my Chrysler fix the problem temporarily?

- Resetting the code may temporarily turn off the warning light, but it will not address the underlying issue causing the high voltage in the charging system.

9. Are there any preventive measures I can take to avoid encountering OBDII code P2504 related to high charging system voltage in my Chrysler?

- Regularly inspect and maintain your vehicle's charging system, including checking the battery, alternator, and electrical connections, to prevent issues that could trigger this code.

10. Will OBDII code P2504 in a Chrysler reset itself after the issue with the high charging system voltage is resolved?

- In some cases, if the root cause of the high voltage is fixed, the code may reset itself after a few drive cycles once the system confirms that the issue is no longer present.