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P182C 2015 Chevrolet Silverado Code - Internal Mode Switch 'B' Circuit High Voltage

Quick Answer

The P182C diagnostic trouble code (DTC) for a 2015 Chevrolet Silverado refers to an issue with the Internal Mode Switch 'B' Circuit High Voltage. Common causes include Faulty Internal Mode Switch, Damaged wiring or connectors in the IMS circuit, Corrosion or debris 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
P182C 2015 Chevrolet Silverado indicates Internal Mode Switch 'B' Circuit High Voltage.
Common causes
Common causes include Faulty Internal Mode Switch, Damaged wiring or connectors in the IMS circuit, Corrosion or debris 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 15, 2024
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Code P182C 2015 Chevrolet Silverado Description

The P182C diagnostic trouble code (DTC) for a 2015 Chevrolet Silverado refers to an issue with the Internal Mode Switch 'B' Circuit High Voltage. The Internal Mode Switch (IMS) is a component within the transmission that communicates the gear selector position to the vehicle's electronic control module (ECM). In this case, the 'B' circuit is reporting a high voltage, indicating a potential problem with the switch's signal.

OBDII Code P182C 2015 Chevrolet Silverado - Internal Mode Switch 'B' Circuit High Voltage
P182C 2015 Chevrolet Silverado Code - Internal Mode Switch 'B' Circuit High Voltage

Common Causes of P182C 2015 Chevrolet Silverado

  1. Faulty Internal Mode Switch
  2. Damaged wiring or connectors in the IMS circuit
  3. Corrosion or debris affecting the IMS signal
  4. ECM software issues
  5. Electrical system malfunctions

Symptoms of P182C 2015 Chevrolet Silverado

  1. Harsh or delayed shifting
  2. Transmission slipping
  3. Reduced fuel efficiency
  4. Vehicle going into failsafe mode
  5. Check Engine Light illuminated

How to Fix P182C 2015 Chevrolet Silverado

  1. Begin by conducting a thorough diagnosis using a scan tool to confirm the P182C code and identify the specific cause of the high voltage in the IMS 'B' circuit.
  2. Inspect the Internal Mode Switch for any visible damage or signs of malfunction. Replace the IMS if necessary.
  3. Check the wiring and connectors related to the IMS circuit for any damage, corrosion, or loose connections. Repair or replace as needed.
  4. Clear the DTC from the ECM memory and perform a test drive to ensure the transmission shifts smoothly and the code does not return.
  5. If the issue persists, further diagnostic testing may be required to address any underlying electrical or software problems.

Cost to Fix P182C 2015 Chevrolet Silverado

The typical repair costs for addressing the P182C code on a 2015 Chevrolet Silverado can vary depending on the specific cause of the issue. On average, the parts for replacing the Internal Mode Switch can range from $100 to $300, while the labor costs can be around $100 to $200. Overall, the total repair cost for this issue may fall between $200 and $500. It is important to note that these estimates are general and can fluctuate based on factors such as location, labor rates, and any additional repairs needed. It is advisable to consult with a trusted mechanic or dealership for a more accurate cost 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 P182C 2015 Chevrolet Silverado Code

1. What are the common symptoms of OBDII code P182C on a 2015 Chevrolet Silverado?

- Common symptoms include issues with shifting gears, hesitation or jerking during acceleration, and the Check Engine Light being illuminated.

2. What does the OBDII code P182C 'Internal Mode Switch B Circuit High Voltage' mean for a 2015 Chevrolet Silverado?

- This code indicates that the vehicle's internal mode switch B circuit is registering a high voltage, which can affect the transmission's operation.

3. What are the possible causes of OBDII code P182C on a 2015 Chevrolet Silverado?

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

4. How can I diagnose OBDII code P182C on my 2015 Chevrolet Silverado?

- Diagnosis typically involves using a scan tool to retrieve the code, checking the internal mode switch and related circuitry for any visible damage, and performing voltage tests to pinpoint the issue.

5. Can I continue driving my 2015 Chevrolet Silverado with OBDII code P182C?

- It is not recommended to continue driving with this code present, as it can lead to further transmission issues and potential safety hazards. It's best to address the problem promptly.

6. How can I repair OBDII code P182C on my 2015 Chevrolet Silverado?

- Repairs may involve replacing the internal mode switch, repairing or replacing damaged wiring or connectors, resetting the transmission control module, or reprogramming the PCM.

7. Is it possible to reset OBDII code P182C on a 2015 Chevrolet Silverado without fixing the underlying issue?

- While clearing the code may temporarily turn off the Check Engine Light, the issue causing the code will persist and could lead to more serious problems if left unresolved.

8. Can a DIY enthusiast fix OBDII code P182C on a 2015 Chevrolet Silverado?

- Depending on the individual's skill level and access to tools, some DIY enthusiasts may be able to address this code by following repair guides and instructions specific to their vehicle.

9. How much does it typically cost to repair OBDII code P182C on a 2015 Chevrolet Silverado at a mechanic or dealership?

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

10. Are there any recalls or technical service bulletins related to OBDII code P182C on a 2015 Chevrolet Silverado?

- It's recommended to check with Chevrolet dealerships or online resources for any applicable recalls or technical service bulletins related to this specific OBDII code and model year.

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