Engine-CodesChevrolet – P1824 2016 Chevrolet Silverado

P1824 2016 Chevrolet Silverado Code - Internal Mode Switch 'P' Circuit Low Voltage

Quick Answer

The P1824 diagnostic trouble code (DTC) for a 2016 Chevrolet Silverado refers to an issue with the Internal Mode Switch 'P' Circuit Low Voltage. Common causes include Faulty internal mode switch, Wiring or connector issues in the circuit, Low transmission fluid levels. 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 2016 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 circuit, Low transmission fluid levels.
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 13, 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 P1824 2016 Chevrolet Silverado Description

The P1824 diagnostic trouble code (DTC) for a 2016 Chevrolet Silverado refers to an issue with the Internal Mode Switch 'P' Circuit Low Voltage. This code indicates that there is a problem with the circuit that controls the internal mode switch, which is responsible for selecting the gear range in automatic transmissions. The internal mode switch communicates with the transmission control module (TCM) to determine the desired gear position based on driver input.

OBDII Code P1824 2016 Chevrolet Silverado - Internal Mode Switch 'P' Circuit Low Voltage
P1824 2016 Chevrolet Silverado Code - Internal Mode Switch 'P' Circuit Low Voltage

Common Causes of P1824 2016 Chevrolet Silverado

  1. Faulty internal mode switch
  2. Wiring or connector issues in the circuit
  3. Low transmission fluid levels
  4. Transmission control module (TCM) malfunction
  5. Electrical system issues

Symptoms of P1824 2016 Chevrolet Silverado

  1. Harsh shifting between gears
  2. Delayed engagement when shifting
  3. Inability to shift gears
  4. Limp mode activation
  5. Check Engine Light illuminated

How to Fix P1824 2016 Chevrolet Silverado

  1. Begin by conducting a thorough inspection of the internal mode switch and its circuit to identify any visible signs of damage or wear.
  2. Test the internal mode switch using a multimeter to check for proper voltage levels and continuity.
  3. Inspect the wiring and connectors in the circuit for any signs of corrosion, damage, or loose connections. Repair or replace as necessary.
  4. Check the transmission fluid level and condition. Top up or replace the fluid if needed.
  5. If the issue persists, consider consulting a professional mechanic or dealership for further diagnostics and potential replacement of the internal mode switch or TCM.

Cost to Fix P1824 2016 Chevrolet Silverado

The typical repair costs for addressing the Internal Mode Switch 'P' Circuit Low Voltage code can vary depending on the specific cause of the issue. In general, the cost of parts such as a new internal mode switch or TCM can range from $200 to $600, while labor costs can add an additional $100 to $300. Overall, the total repair cost can range from $300 to $900. It is important to note that these are rough estimates, and actual costs may vary based on factors such as location, vehicle make and model, and labor rates at auto repair shops. It is recommended to obtain quotes from local shops for a more accurate estimate.

Need more information about the P1824 2016 Chevrolet Silverado code?

Need more information on how to fix the P1824 2016 Chevrolet Silverado code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P1824 2016 Chevrolet Silverado 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 P1824 2016 Chevrolet Silverado Code

1. What does OBDII code P1824 mean on a 2016 Chevrolet Silverado?

P1824 indicates an "Internal Mode Switch 'P' Circuit Low Voltage," meaning the transmission control module (TCM) is detecting an electrical issue in the switch that monitors the Park (P) position.

2. What are the common symptoms of code P1824 in a 2016 Chevrolet Silverado?

Symptoms include difficulty shifting into or out of Park, the gear position indicator malfunctioning, or the vehicle failing to start because it doesn’t register as being in Park.

3. What causes code P1824 in a 2016 Chevrolet Silverado?

Common causes include wiring issues, a faulty internal mode switch (also known as a transmission range sensor), low battery voltage, or a malfunctioning TCM.

4. Can a low battery trigger code P1824?

Yes, low voltage from the battery or charging system can cause the internal mode switch to send incorrect signals, triggering this code.

5. How do you diagnose code P1824 in a 2016 Chevrolet Silverado?

Diagnosis involves checking the wiring and connectors for damage, testing the internal mode switch for proper operation, and verifying battery voltage and the TCM’s functionality.

6. Can code P1824 cause the transmission to go into limp mode?

Yes, if the TCM cannot determine the correct gear position due to the fault, it may put the transmission into limp mode as a precaution.

7. Is it safe to drive a 2016 Chevrolet Silverado with code P1824?

Driving with this code is not recommended because it can lead to transmission issues, starting problems, or the vehicle failing to recognize when it's in Park.

8. How is code P1824 typically repaired?

Repairs may involve replacing the internal mode switch, repairing or replacing damaged wiring, cleaning corroded connectors, or reprogramming or replacing the TCM.

9. How much does it cost to repair code P1824 on a 2016 Chevrolet Silverado?

Repair costs can vary but typically range from $200 to $600, depending on whether the internal mode switch or other components need replacement.

10. Can a software update fix code P1824 in a 2016 Chevrolet Silverado?

In some cases, a TCM software update may resolve communication issues or glitches related to the internal mode switch, but physical repairs may still be necessary.

Discuss the causes and fixes for P1824 2016 Chevrolet Silverado OBDII Code

Code P1824 2016 Chevrolet Silverado comments

No comments found for this page.