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P182D 2017 Chevrolet Silverado Code - Internal Mode Switch 'P' Circuit High Voltage

Quick Answer

The P182D diagnostic trouble code (DTC) for a 2017 Chevrolet Silverado indicates an issue with the Internal Mode Switch 'P' Circuit High Voltage. Common causes include Faulty Internal Mode Switch sensor, Damaged or corroded wiring in the 'P' circuit, PCM software malfunction. 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
P182D 2017 Chevrolet Silverado indicates Internal Mode Switch 'P' Circuit High Voltage.
Common causes
Common causes include Faulty Internal Mode Switch sensor, Damaged or corroded wiring in the 'P' circuit, PCM software malfunction.
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 12, 2024
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Code P182D 2017 Chevrolet Silverado Description

The P182D diagnostic trouble code (DTC) for a 2017 Chevrolet Silverado indicates an issue with the Internal Mode Switch 'P' Circuit High Voltage. The Internal Mode Switch (IMS) is a component within the transmission control system that is responsible for informing the powertrain control module (PCM) about the current gear selection. In this case, the 'P' circuit refers to the park position. When the PCM detects a high voltage in this circuit, it signifies that there is a malfunction in the IMS related to the park position.

OBDII Code P182D 2017 Chevrolet Silverado - Internal Mode Switch 'P' Circuit High Voltage
P182D 2017 Chevrolet Silverado Code - Internal Mode Switch 'P' Circuit High Voltage

Common Causes of P182D 2017 Chevrolet Silverado

  1. Faulty Internal Mode Switch sensor
  2. Damaged or corroded wiring in the 'P' circuit
  3. PCM software malfunction
  4. Transmission fluid contamination
  5. Electrical system issues affecting the IMS sensor

Symptoms of P182D 2017 Chevrolet Silverado

  1. Difficulty shifting into or out of park
  2. Incorrect gear selection displayed on the instrument cluster
  3. Transmission slipping or hesitation
  4. Check Engine Light illuminated
  5. Harsh shifting or erratic transmission behavior

How to Fix P182D 2017 Chevrolet Silverado

  1. Diagnose the issue by using a scan tool to read the DTC and inspect the IMS sensor and wiring for any visible damage.
  2. Replace the Internal Mode Switch sensor if it is found to be faulty.
  3. Repair or replace any damaged wiring in the 'P' circuit.
  4. Clear the DTC from the PCM memory and perform a transmission relearn procedure to ensure proper operation.
  5. Test drive the vehicle to confirm that the issue has been resolved and that the transmission is functioning correctly.

Cost to Fix P182D 2017 Chevrolet Silverado

The cost of repairing a P182D code on a 2017 Chevrolet Silverado can vary depending on the exact cause of the issue and the labor rates in your area. Generally, the cost of replacing an Internal Mode Switch sensor and repairing any damaged wiring can range from $200 to $500, including parts and labor. Additional costs may apply if further diagnosis is needed or if other components of the transmission system require attention. As mentioned earlier, labor rates at auto repair shops typically range from $80 to $150 per hour, so it's recommended to obtain quotes from local shops for a more accurate 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 P182D 2017 Chevrolet Silverado Code

1. What are the common symptoms of OBDII code P182D in a 2017 Chevrolet Silverado?

- Common symptoms include issues with shifting gears, poor acceleration, and the transmission not responding correctly.

2. What does the OBDII code P182D 'Internal Mode Switch P Circuit High Voltage' mean for a 2017 Chevrolet Silverado?

- This code indicates a problem with the internal mode switch circuit in the transmission.

3. What are the possible causes of OBDII code P182D in a 2017 Chevrolet Silverado?

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

4. How can I diagnose the Internal Mode Switch 'P' Circuit High Voltage issue in my 2017 Chevrolet Silverado?

- Diagnosing this problem typically involves using a scan tool to check for the specific trouble code and then inspecting the internal mode switch and related wiring for any issues.

5. Can I continue driving my 2017 Chevrolet Silverado with OBDII code P182D present?

- It is not recommended to continue driving the vehicle with this code present, as it can lead to further transmission issues and potential safety concerns.

6. What are some repair tips for fixing OBDII code P182D in a 2017 Chevrolet Silverado?

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

7. How much does it typically cost to repair OBDII code P182D in a 2017 Chevrolet Silverado?

- The cost of repairs 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.

8. Can I reset the OBDII code P182D in my 2017 Chevrolet Silverado without fixing the underlying issue?

- While you can clear the code temporarily, it is important to address the underlying problem to prevent further damage to the transmission.

9. Is OBDII code P182D a common issue in 2017 Chevrolet Silverado vehicles?

- While it may not be as common as some other codes, experiencing issues with the internal mode switch circuit is not unheard of in 2017 Chevrolet Silverado trucks.

10. How can I prevent OBDII code P182D from occurring in my 2017 Chevrolet Silverado?

- Regular maintenance, such as checking and replacing transmission fluid as needed, can help prevent issues that may lead to the Internal Mode Switch 'P' Circuit High Voltage fault code.

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