Engine-CodesGMC – P182F GMC

P182F GMC Code - Internal Mode Switch 'C' Circuit High Voltage

Quick Answer

The P182F GMC code refers to an issue with the Internal Mode Switch 'C' Circuit High Voltage in the vehicle. Common causes include Faulty Internal Mode Switch, Damaged wiring or connectors in the IMS circuit, Issues with the vehicle's computer system. 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
P182F GMC indicates Internal Mode Switch 'C' Circuit High Voltage.
Common causes
Common causes include Faulty Internal Mode Switch, Damaged wiring or connectors in the IMS circuit, Issues with the vehicle's computer system.
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 16, 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 P182F GMC Description

The P182F GMC code refers to an issue with the Internal Mode Switch 'C' Circuit High Voltage in the vehicle. The Internal Mode Switch (IMS) is a component of the transmission control system that communicates with the vehicle's computer to determine the current gear selection. When the IMS 'C' circuit registers a high voltage, it indicates a malfunction in the system that could potentially affect the vehicle's performance.

OBDII Code P182F GMC - Internal Mode Switch 'C' Circuit High Voltage
P182F GMC Code - Internal Mode Switch 'C' Circuit High Voltage

Common Causes of P182F GMC

  1. Faulty Internal Mode Switch
  2. Damaged wiring or connectors in the IMS circuit
  3. Issues with the vehicle's computer system
  4. Corrosion or contamination in the circuit

Symptoms of P182F GMC

  1. Erratic shifting behavior
  2. Delayed or harsh gear shifts
  3. Transmission slipping
  4. Check Engine Light illuminated
  5. Reduced fuel efficiency

How to Fix P182F GMC

  1. Diagnose the issue using a scan tool to retrieve the trouble code and perform a thorough inspection of the IMS circuit.
  2. Inspect the wiring and connectors for any damage or corrosion, repairing or replacing as necessary.
  3. Test the Internal Mode Switch for proper operation and replace if found to be faulty.
  4. Clear the trouble code from the vehicle's computer memory and test drive the vehicle to ensure the issue has been resolved.
  5. If the problem persists, further diagnosis may be required to identify any underlying issues with the transmission system.

Cost to Fix P182F GMC

The typical repair costs for addressing the P182F GMC code can vary depending on the specific cause of the issue and the extent of the repairs needed. In general, the cost of replacing a faulty Internal Mode Switch can range from $150 to $300, while repairing damaged wiring or connectors may cost between $100 and $200. Labor costs for diagnosis and repair can add an additional $100 to $300, depending on the shop's hourly rates.

Need more information about the P182F GMC code?

Need more information on how to fix the P182F GMC code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P182F GMC code diagnosed by a professional: Find a repair shop in your area

Information for Specific GMC Models

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 P182F GMC Code

1. What are common symptoms of OBDII code P182F GMC (Internal Mode Switch 'C' Circuit High Voltage)?

Common symptoms include issues with shifting gears, hesitation when accelerating, and the inability to shift out of a certain gear.

2. What causes OBDII code P182F GMC to trigger?

This code is typically triggered by a fault in the internal mode switch 'C' circuit, which can be caused by damaged wiring, a faulty switch, or a poor connection.

3. How can I diagnose OBDII code P182F GMC?

Diagnosis involves using a scan tool to read the code, checking the internal mode switch 'C' circuit for continuity and proper voltage, and inspecting the wiring and connections for any damage.

4. Can I continue driving with OBDII code P182F GMC?

It is not recommended to continue driving with this code present, as it can lead to further transmission issues and potentially cause damage to the vehicle.

5. How can I repair OBDII code P182F GMC?

Repair options include repairing or replacing damaged wiring, replacing the internal mode switch, ensuring proper connections, and clearing the code with a scan tool.

6. Is OBDII code P182F GMC a serious issue?

While it may not cause immediate harm to the vehicle, ignoring this code can lead to transmission problems and should be addressed promptly.

7. Can a DIY enthusiast fix OBDII code P182F GMC?

Depending on the extent of the issue and the individual's mechanical skills, some DIY enthusiasts may be able to address this code themselves by following repair guides and using the necessary tools.

8. How much does it cost to repair OBDII code P182F GMC at a mechanic?

The cost of repair can vary depending on the labor rates and parts needed, but it is advisable to get a few quotes from different mechanics to compare prices.

9. Will resetting the OBDII code P182F GMC make it go away permanently?

Simply resetting the code without addressing the underlying issue will not make it go away permanently. It is essential to diagnose and repair the root cause of the problem.

10. How long does it take to repair OBDII code P182F GMC?

The repair time can vary depending on the extent of the issue, availability of parts, and the mechanic's experience. It is best to consult with a professional for a more accurate estimate.

Discuss the causes and fixes for P182F GMC OBDII Code

Code P182F GMC comments

No comments found for this page.