Engine-CodesChevrolet – P182C 2016 Chevrolet Silverado

P182C 2016 Chevrolet Silverado Code - Internal Mode Switch 'B' Circuit High Voltage

Quick Answer

The P182C diagnostic trouble code (DTC) for a 2016 Chevrolet Silverado refers to an issue with the Internal Mode Switch 'B' Circuit High Voltage. Common causes include Faulty Internal Mode Switch, Wiring issues or shorts in the 'B' circuit, Corrosion or poor connections in the IMS circuit. 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
P182C 2016 Chevrolet Silverado indicates Internal Mode Switch 'B' Circuit High Voltage.
Common causes
Common causes include Faulty Internal Mode Switch, Wiring issues or shorts in the 'B' circuit, Corrosion or poor connections in the IMS circuit.
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
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Code P182C 2016 Chevrolet Silverado Description

The P182C diagnostic trouble code (DTC) for a 2016 Chevrolet Silverado refers to an issue with the Internal Mode Switch 'B' Circuit High Voltage. The Internal Mode Switch (IMS) is a component of the transmission system that helps to determine the current gear selection and assists in shifting the transmission. In this case, the 'B' circuit is indicating a high voltage, which can disrupt the proper functioning of the IMS and lead to various performance issues in the vehicle.

OBDII Code P182C 2016 Chevrolet Silverado - Internal Mode Switch 'B' Circuit High Voltage
P182C 2016 Chevrolet Silverado Code - Internal Mode Switch 'B' Circuit High Voltage

Common Causes of P182C 2016 Chevrolet Silverado

  1. Faulty Internal Mode Switch
  2. Wiring issues or shorts in the 'B' circuit
  3. Corrosion or poor connections in the IMS circuit
  4. Issues with the transmission control module (TCM)
  5. Electrical system malfunctions

Symptoms of P182C 2016 Chevrolet Silverado

  1. Erratic shifting behavior
  2. Incorrect gear selection
  3. Transmission slipping
  4. Harsh or delayed shifting
  5. Illumination of the Check Engine Light

How to Fix P182C 2016 Chevrolet Silverado

  1. Begin by conducting a thorough inspection of the Internal Mode Switch and its wiring harness for any visible damage, corrosion, or loose connections.
  2. Test the voltage levels in the 'B' circuit using a multimeter to determine if it is within the specified range.
  3. Replace the Internal Mode Switch if it is found to be faulty, ensuring proper installation and connection.
  4. Repair any damaged wiring or connections in the 'B' circuit to restore proper voltage levels.
  5. Clear the DTC and test drive the vehicle to ensure that the issue has been resolved and that the transmission is functioning correctly.

Cost to Fix P182C 2016 Chevrolet Silverado

The typical repair costs for addressing the P182C code on a 2016 Chevrolet Silverado can vary depending on the specific cause of the issue. In general, replacing the Internal Mode Switch and repairing any wiring or connections can range from $200 to $500, including parts and labor. However, it is essential to note that diagnosis time and labor rates at auto repair shops can vary significantly, with hourly rates typically ranging from $80 to $150. It is advisable to check with local shops for a more accurate estimate based on your location and vehicle specifics.

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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 P182C 2016 Chevrolet Silverado Code

1. What are the common symptoms of OBDII code P182C in a 2016 Chevrolet Silverado?

When this code is present, you may experience issues with the transmission, such as harsh shifting, failure to shift gears, or even the transmission getting stuck in a single gear.

2. What does the Internal Mode Switch 'B' Circuit High Voltage mean in relation to OBDII code P182C?

This code indicates that there is a high voltage condition detected in the internal mode switch 'B' circuit of the vehicle, which is a component of the transmission system.

3. What are the possible causes of OBDII code P182C in a 2016 Chevrolet Silverado?

Common causes of this code 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 High Voltage issue in my 2016 Chevrolet Silverado?

Diagnosing this problem typically involves using a scan tool to retrieve the specific trouble code, checking the internal mode switch and its circuit for faults, and inspecting the wiring and connectors for any damage.

5. Can I continue driving my 2016 Chevrolet Silverado with OBDII code P182C?

It is not recommended to drive the vehicle with this code present, as it can lead to further damage to the transmission system. It's best to address the issue promptly.

6. How can I repair OBDII code P182C in my 2016 Chevrolet Silverado?

Repairing this code may involve replacing the internal mode switch, repairing any damaged wiring or connectors, or resetting the transmission control module after addressing the underlying issue.

7. Is it necessary to reset the OBDII code P182C after repairing the issue in a 2016 Chevrolet Silverado?

Yes, it is important to clear the trouble code using a scan tool after repairing the problem. This will reset the system and allow you to monitor if the issue reoccurs.

8. Can a DIY enthusiast fix OBDII code P182C in a 2016 Chevrolet Silverado?

Depending on your skill level and access to tools, some DIY enthusiasts may be able to diagnose and repair this code themselves. However, it's recommended to seek professional help for complex transmission issues.

9. What happens if OBDII code P182C is ignored in a 2016 Chevrolet Silverado?

Ignoring this code can lead to transmission problems worsening over time, potentially causing further damage and more expensive repairs down the line.

10. How much should I expect to pay for fixing OBDII code P182C in a 2016 Chevrolet Silverado?

The cost of repairing this code can vary based on the specific cause of the issue and labor rates in your area. It's advisable to get a diagnosis from a mechanic to determine the exact cost.

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