Engine-Codes.com
Engine-Codes – Chevrolet – P182B 2018 Chevrolet Silverado

P182B 2018 Chevrolet Silverado Code - Internal Mode Switch 'B' Circuit Low Voltage

Quick Answer

The P182B diagnostic trouble code (DTC) for a 2018 Chevrolet Silverado indicates a problem with the Internal Mode Switch 'B' Circuit, specifically a low voltage issue. Common causes include Faulty Internal Mode Switch, Damaged wiring or connectors in the circuit, Issues with the Transmission Control Module. 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
P182B 2018 Chevrolet Silverado indicates Internal Mode Switch 'B' Circuit Low Voltage.
Common causes
Common causes include Faulty Internal Mode Switch, Damaged wiring or connectors in the circuit, Issues with the Transmission Control Module.
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
💬 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 P182B 2018 Chevrolet Silverado Description

The P182B diagnostic trouble code (DTC) for a 2018 Chevrolet Silverado indicates a problem with the Internal Mode Switch 'B' Circuit, specifically a low voltage issue. 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 'B' circuit is experiencing low voltage, it means that the signal being sent to the transmission control module (TCM) is weaker than expected, leading to potential performance issues.

OBDII Code P182B 2018 Chevrolet Silverado - Internal Mode Switch 'B' Circuit Low Voltage
P182B 2018 Chevrolet Silverado Code - Internal Mode Switch 'B' Circuit Low Voltage

Common Causes of P182B 2018 Chevrolet Silverado

  1. Faulty Internal Mode Switch
  2. Damaged wiring or connectors in the circuit
  3. Issues with the Transmission Control Module
  4. Electrical issues such as a blown fuse or short circuit

Symptoms of P182B 2018 Chevrolet Silverado

  1. Erratic shifting behavior
  2. Harsh shifting
  3. Transmission not shifting
  4. Limp mode activation

How to Fix P182B 2018 Chevrolet Silverado

  1. Perform a thorough inspection of the Internal Mode Switch 'B' circuit and connectors for any visible damage.
  2. Test the Internal Mode Switch using a multimeter to check for proper voltage output.
  3. Check the wiring harness for any signs of wear or damage and repair or replace as needed.
  4. Clear the DTC from the vehicle's computer and test drive to ensure the issue has been resolved.
  5. If the problem persists, consider replacing the Internal Mode Switch or seeking professional assistance for further diagnosis.

Cost to Fix P182B 2018 Chevrolet Silverado

The typical repair costs for addressing the Internal Mode Switch 'B' Circuit Low Voltage issue can vary depending on the specific cause of the problem. Parts such as a new Internal Mode Switch or wiring harness may cost between $100 to $300, while labor costs can range from $100 to $300 or more. It's important to note that diagnostic time and labor rates at auto repair shops can vary, so it's advisable to check with local shops for a more accurate estimate based on your location and vehicle specifics.

Need more information about the P182B 2018 Chevrolet Silverado code?

Need more information on how to fix the P182B 2018 Chevrolet Silverado code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P182B 2018 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 P182B 2018 Chevrolet Silverado Code

1. What are the common symptoms of OBDII code P182B in a 2018 Chevrolet Silverado?

- Common symptoms include issues with shifting gears, hesitation during acceleration, and the transmission not engaging properly.

2. What does the Internal Mode Switch 'B' Circuit Low Voltage mean in relation to code P182B?

- The code indicates that there is a low voltage condition detected in the circuit related to the internal mode switch 'B' in the transmission.

3. What are possible causes for the Internal Mode Switch 'B' Circuit Low Voltage code in a 2018 Chevrolet Silverado?

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

4. How can I diagnose the Internal Mode Switch 'B' Circuit Low Voltage issue in my 2018 Chevrolet Silverado?

- Diagnosing the problem typically involves using a scan tool to retrieve the fault codes, checking the wiring and connectors for any damage, and testing the internal mode switch for proper operation.

5. Can I still drive my Chevrolet Silverado with OBDII code P182B present?

- It is not recommended to drive your vehicle with this code present, as it can lead to further transmission issues and potentially cause more damage.

6. How can I repair the Internal Mode Switch 'B' Circuit Low Voltage problem in my 2018 Chevrolet Silverado?

- Repair options may include replacing the internal mode switch, repairing any damaged wiring or connectors, or reprogramming the transmission control module.

7. Is it safe to clear the P182B trouble code in my 2018 Chevrolet Silverado without fixing the issue?

- Clearing the code without addressing the underlying problem is not recommended, as the issue may persist and potentially lead to more severe transmission issues.

8. How much does it typically cost to repair OBDII code P182B in a 2018 Chevrolet Silverado?

- The cost of repair can vary depending on the exact cause of the issue, but it may range from a few hundred to over a thousand dollars, including parts and labor.

9. Can a DIY enthusiast fix the Internal Mode Switch 'B' Circuit Low Voltage problem in a 2018 Chevrolet Silverado?

- While some DIY enthusiasts may be able to address simpler aspects of the issue, diagnosing and repairing transmission-related problems often require specialized tools and expertise best left to professional mechanics.

10. How can I prevent OBDII code P182B from occurring in my 2018 Chevrolet Silverado in the future?

- Regular maintenance of your vehicle, including checking the transmission system for any signs of wear or damage, can help prevent issues like the Internal Mode Switch 'B' Circuit Low Voltage code from occurring.

Discuss the causes and fixes for P182B 2018 Chevrolet Silverado OBDII Code

Submit a New Comment

Code P182B 2018 Chevrolet Silverado comments

No comments found for this page.