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P1824 2014 Chevrolet Silverado Code - Internal Mode Switch 'P' Circuit Low Voltage

Quick Answer

The P1824 diagnostic trouble code (DTC) for a 2014 Chevrolet Silverado indicates an issue with the Internal Mode Switch 'P' Circuit having low voltage. Common causes include Faulty Internal Mode Switch, Wiring or connector issues in the IMS circuit, Low battery voltage affecting the IMS signal. 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
P1824 2014 Chevrolet Silverado indicates Internal Mode Switch 'P' Circuit Low Voltage.
Common causes
Common causes include Faulty Internal Mode Switch, Wiring or connector issues in the IMS circuit, Low battery voltage affecting the IMS signal.
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.
What is this?
Table of contents Created and updated by William Orellana on Sep 17, 2024
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Code P1824 2014 Chevrolet Silverado Description

The P1824 diagnostic trouble code (DTC) for a 2014 Chevrolet Silverado indicates an issue with the Internal Mode Switch 'P' Circuit having low voltage. The Internal Mode Switch (IMS) is a component of the transmission control system that helps the vehicle's computer determine the current gear selection. When the IMS 'P' circuit is reporting low voltage, it means that there is a problem with the signal being sent from the IMS to the transmission control module (TCM).

OBDII Code P1824 2014 Chevrolet Silverado - Internal Mode Switch 'P' Circuit Low Voltage
P1824 2014 Chevrolet Silverado Code - Internal Mode Switch 'P' Circuit Low Voltage

Common Causes of P1824 2014 Chevrolet Silverado

  1. Faulty Internal Mode Switch
  2. Wiring or connector issues in the IMS circuit
  3. Low battery voltage affecting the IMS signal
  4. Faulty transmission control module
  5. Software issues in the TCM

Symptoms of P1824 2014 Chevrolet Silverado

  1. Erratic or harsh shifting
  2. Delayed or no response when shifting gears
  3. Check Engine Light illuminated
  4. Reduced fuel efficiency
  5. Transmission slipping or difficulty engaging gears

How to Fix P1824 2014 Chevrolet Silverado

  1. Begin by conducting a thorough inspection of the IMS circuit, including checking for any damaged wiring or loose connections.
  2. Test the Internal Mode Switch using a multimeter to verify if it is functioning properly.
  3. Check the battery voltage to ensure it is within the correct range, as low voltage can affect the IMS signal.
  4. If the IMS is determined to be faulty, replace it with a new OEM part.
  5. Clear the DTC and test drive the vehicle to ensure the issue has been resolved.

Cost to Fix P1824 2014 Chevrolet Silverado

The typical repair costs for addressing the P1824 code on a 2014 Chevrolet Silverado can range from $200 to $500, including parts and labor. However, it is important to note that the specific diagnosis time and labor rates at auto repair shops can vary based on factors such as location, vehicle make and model, and engine type. Most auto repair shops commonly charge between $80 and $150 per hour; rates in metropolitan areas or at dealerships may be higher, while independent shops often charge less. It is advisable to check local rates for a more precise estimate.

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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 P1824 2014 Chevrolet Silverado Code

1. What are the common symptoms of OBDII code P1824 in a 2014 Chevrolet Silverado?

- Common symptoms include issues with shifting gears, engine stalling, difficulty starting the vehicle, and the Check Engine Light being illuminated.

2. What does the OBDII code P1824 'Internal Mode Switch 'P' Circuit Low Voltage' mean?

- This code indicates a low voltage condition in the 'P' circuit of the internal mode switch, which is part of the transmission's control system.

3. What are the possible causes of OBDII code P1824 in a 2014 Chevrolet Silverado?

- Possible causes include a faulty internal mode switch, damaged wiring or connectors related to the internal mode switch, or issues with the transmission control module.

4. How can I diagnose OBDII code P1824 in my 2014 Chevrolet Silverado?

- Diagnosing this code typically involves using a OBDII scanner to retrieve the code and then inspecting the internal mode switch, wiring, and connectors for any visible damage or issues.

5. Can I still drive my 2014 Chevrolet Silverado with OBDII code P1824 present?

- It is not recommended to drive the vehicle with this code present, as it can cause transmission-related issues that may lead to further damage or safety concerns.

6. How can I repair OBDII code P1824 in my 2014 Chevrolet Silverado?

- Repair options may include replacing the internal mode switch, repairing or replacing damaged wiring or connectors, or resetting the transmission control module after addressing any underlying issues.

7. Is it necessary to reset the OBDII code P1824 after making repairs to my 2014 Chevrolet Silverado?

- Yes, it is recommended to clear the code using an OBDII scanner after making any repairs to ensure that the issue has been resolved and to turn off the Check Engine Light.

8. Can a DIY enthusiast fix OBDII code P1824 in a 2014 Chevrolet Silverado?

- While some basic troubleshooting steps can be performed by a DIY enthusiast, diagnosing and repairing this code may require specialized tools and expertise, so professional help is often recommended.

9. How much does it typically cost to repair OBDII code P1824 in a 2014 Chevrolet Silverado?

- The cost of repairs can vary depending on the specific cause of the code, but it may range from a few hundred to a thousand dollars, including parts and labor.

10. Are there any preventive measures to avoid OBDII code P1824 in a 2014 Chevrolet Silverado?

- Regular maintenance, such as checking and replacing transmission fluid as needed, can help prevent issues that may lead to OBDII code P1824.

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