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P182C 2017 Chevrolet Silverado Code - Internal Mode Switch 'B' Circuit High Voltage

Quick Answer

The P182C diagnostic trouble code (DTC) for a 2017 Chevrolet Silverado indicates a problem with the Internal Mode Switch 'B' Circuit High Voltage. Common causes include Faulty internal mode switch, Damaged wiring or connectors in the circuit, Malfunctioning transmission control module (TCM). 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 2017 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 circuit, Malfunctioning transmission control module (TCM).
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 11, 2024
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Code P182C 2017 Chevrolet Silverado Description

The P182C diagnostic trouble code (DTC) for a 2017 Chevrolet Silverado indicates a problem with the Internal Mode Switch 'B' Circuit High Voltage. The Internal Mode Switch (IMS) is a component of the transmission control system that helps the vehicle's computer determine the gear position, allowing for proper shifting and operation of the transmission. In this case, a high voltage reading in the circuit associated with Mode Switch 'B' suggests an electrical issue that could potentially lead to incorrect gear selection or transmission malfunctions.

OBDII Code P182C 2017 Chevrolet Silverado - Internal Mode Switch 'B' Circuit High Voltage
P182C 2017 Chevrolet Silverado Code - Internal Mode Switch 'B' Circuit High Voltage

Common Causes of P182C 2017 Chevrolet Silverado

  1. Faulty internal mode switch
  2. Damaged wiring or connectors in the circuit
  3. Malfunctioning transmission control module (TCM)
  4. Corrosion or moisture in the electrical connections
  5. Physical damage to the switch or circuit components

Symptoms of P182C 2017 Chevrolet Silverado

  1. Harsh or erratic shifting
  2. Failure to shift gears
  3. Limp mode activation
  4. Reduced acceleration
  5. Decreased fuel efficiency

How to Fix P182C 2017 Chevrolet Silverado

  1. Perform a thorough diagnosis to pinpoint the exact cause of the high voltage in the Mode Switch 'B' circuit.
  2. Inspect and test the internal mode switch, wiring, and connectors for any damage or corrosion.
  3. Replace the internal mode switch if faulty and repair or replace any damaged wiring or connectors.
  4. Clear the DTC from the vehicle's computer and test drive the vehicle to ensure proper operation.
  5. If the issue persists, consider checking the TCM for any faults and addressing any underlying issues with the transmission control system.

Cost to Fix P182C 2017 Chevrolet Silverado

The typical repair costs for addressing the Internal Mode Switch 'B' Circuit High Voltage code on a 2017 Chevrolet Silverado can range from $200 to $500, including parts and labor. However, 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 for labor. 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 before proceeding with the repair.

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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 2017 Chevrolet Silverado Code

1. What are the common symptoms of OBDII code P182C on a 2017 Chevrolet Silverado?

The common symptoms of code P182C include issues with shifting gears, the transmission may not engage properly, and the vehicle may go into limp mode.

2. What does the OBDII code P182C 'Internal Mode Switch 'B' Circuit High Voltage' mean for a 2017 Chevrolet Silverado?

This code indicates that there is a high voltage condition in the internal mode switch 'B' circuit of the transmission.

3. What are the possible causes of OBDII code P182C on a 2017 Chevrolet Silverado?

Possible causes of code P182C include a faulty internal mode switch, wiring issues, a defective transmission range sensor, or a problem with the transmission control module.

4. How can I diagnose OBDII code P182C on my 2017 Chevrolet Silverado?

Diagnosing code P182C involves using a scan tool to retrieve the code, checking the internal mode switch and related wiring for any faults, and testing the transmission range sensor and control module.

5. Can OBDII code P182C on a 2017 Chevrolet Silverado be fixed at home?

While it is possible to fix code P182C at home, the complexity of the transmission system may require professional diagnosis and repair to ensure the issue is properly resolved.

6. Is it safe to drive my 2017 Chevrolet Silverado with OBDII code P182C present?

It is not recommended to drive your vehicle with code P182C present, as it can lead to transmission problems and potential safety hazards on the road.

7. How much does it typically cost to repair OBDII code P182C on a 2017 Chevrolet Silverado?

The cost of repairing code P182C can vary depending on the specific cause of the issue, but it may involve replacing the internal mode switch, repairing wiring, or addressing other transmission-related issues.

8. What are some tips for preventing OBDII code P182C on a 2017 Chevrolet Silverado?

Regular maintenance of the transmission system, such as fluid checks and replacements, can help prevent issues like code P182C from occurring. Additionally, addressing any warning signs promptly can prevent further damage.

9. Can a temporary fix be applied to OBDII code P182C on a 2017 Chevrolet Silverado?

Temporary fixes like clearing the code with a scan tool may temporarily alleviate symptoms, but it is crucial to address the root cause of the issue to prevent it from recurring.

10. How long does it typically take to repair OBDII code P182C on a 2017 Chevrolet Silverado?

The repair time for code P182C can vary depending on the exact cause of the issue and the extent of repairs needed. It is best to consult with a professional mechanic for a more accurate estimate.

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