Engine-CodesChevrolet – P1915 2015 Chevrolet Silverado

P1915 2015 Chevrolet Silverado Code - Internal Mode Switch Start/Wrong Range

Quick Answer

The P1915 diagnostic trouble code (DTC) on a 2015 Chevrolet Silverado indicates a problem with the Internal Mode Switch (IMS) start or wrong range. Common causes include Faulty Internal Mode Switch, Wiring or connector issues, Transmission fluid contamination. 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
P1915 2015 Chevrolet Silverado indicates Internal Mode Switch Start/Wrong Range.
Common causes
Common causes include Faulty Internal Mode Switch, Wiring or connector issues, Transmission fluid contamination.
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
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Code P1915 2015 Chevrolet Silverado Description

The P1915 diagnostic trouble code (DTC) on a 2015 Chevrolet Silverado indicates a problem with the Internal Mode Switch (IMS) start or wrong range. The IMS is a component of the transmission system that helps the vehicle's computer determine the current gear selection. When the IMS is not functioning correctly or is sending incorrect signals to the vehicle's computer, it can lead to issues with gear selection, transmission performance, and overall drivability.

OBDII Code P1915 2015 Chevrolet Silverado - Internal Mode Switch Start/Wrong Range
P1915 2015 Chevrolet Silverado Code - Internal Mode Switch Start/Wrong Range

Common Causes of P1915 2015 Chevrolet Silverado

  1. Faulty Internal Mode Switch
  2. Wiring or connector issues
  3. Transmission fluid contamination
  4. Electronic control module (ECM) malfunction
  5. Mechanical issues within the transmission

Symptoms of P1915 2015 Chevrolet Silverado

  1. Erratic shifting or difficulty engaging gears
  2. Vehicle may not start
  3. Check Engine Light illuminated
  4. Transmission slipping or jerking
  5. Reduced fuel efficiency

How to Fix P1915 2015 Chevrolet Silverado

  1. Diagnose the issue by using a scan tool to retrieve the specific DTC and inspecting the Internal Mode Switch for any visible damage.
  2. Check the wiring and connectors associated with the IMS for any signs of damage or corrosion.
  3. Replace the Internal Mode Switch if it is found to be faulty, ensuring proper installation and calibration.
  4. Clear the DTC and perform a test drive to verify that the issue has been resolved.
  5. If the problem persists, further diagnostics may be necessary to identify any underlying issues with the transmission system.

Cost to Fix P1915 2015 Chevrolet Silverado

The cost of repairing a P1915 code on a 2015 Chevrolet Silverado can vary depending on the specific cause of the issue and the labor rates in your area. Generally, replacing the Internal Mode Switch can cost between $200 and $400, including parts and labor. Additional costs may apply if further diagnostics or repairs are needed. It's recommended to consult with a professional mechanic to get an accurate estimate based on your vehicle's specific needs and location. Labor rates at auto repair shops typically range from $80 to $150 per hour, but can vary based on various factors.

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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 P1915 2015 Chevrolet Silverado Code

1. What are the common symptoms of OBDII code P1915 in a 2015 Chevrolet Silverado?

The common symptoms of OBDII code P1915 in a 2015 Chevrolet Silverado include issues with starting the vehicle, difficulty shifting gears, and the inability to move the vehicle into the correct gear.

2. What does the OBDII code P1915 indicate in a 2015 Chevrolet Silverado?

OBDII code P1915 in a 2015 Chevrolet Silverado indicates a problem with the Internal Mode Switch Start/Wrong Range.

3. What are the possible causes of OBDII code P1915 in a 2015 Chevrolet Silverado?

Possible causes of OBDII code P1915 in a 2015 Chevrolet Silverado include a faulty internal mode switch, damaged wiring or connectors related to the internal mode switch, or issues with the transmission control module.

4. How can I diagnose the OBDII code P1915 in my 2015 Chevrolet Silverado?

Diagnosing OBDII code P1915 in a 2015 Chevrolet Silverado involves using a scan tool to retrieve the trouble codes, inspecting the internal mode switch and its wiring, and testing the transmission control module for proper function.

5. Can I still drive my 2015 Chevrolet Silverado with OBDII code P1915?

It is not recommended to drive your 2015 Chevrolet Silverado with OBDII code P1915, as it can lead to transmission issues and potential safety hazards. It is best to address the problem promptly.

6. How can I repair OBDII code P1915 in my 2015 Chevrolet Silverado?

Repairing OBDII code P1915 in a 2015 Chevrolet Silverado may involve replacing the internal mode switch, repairing damaged wiring or connectors, or reprogramming the transmission control module. It is recommended to consult a professional mechanic for proper diagnosis and repair.

7. Is OBDII code P1915 a serious issue in a 2015 Chevrolet Silverado?

OBDII code P1915 is a serious issue in a 2015 Chevrolet Silverado as it can affect the vehicle's drivability and safety. Ignoring this code can lead to further transmission problems and potential breakdowns.

8. Can resetting the OBDII system clear the P1915 code in my 2015 Chevrolet Silverado?

Resetting the OBDII system may temporarily clear the P1915 code in your 2015 Chevrolet Silverado, but if the underlying issue is not addressed, the code is likely to reappear. It is important to diagnose and repair the root cause of the code.

9. How much does it cost to fix OBDII code P1915 in a 2015 Chevrolet Silverado?

The cost to fix OBDII code P1915 in a 2015 Chevrolet Silverado can vary depending on the specific cause of the issue, parts needed for repair, and labor costs. It is advisable to obtain quotes from different mechanics or repair shops for an accurate estimate.

10. Can a DIY enthusiast fix OBDII code P1915 in a 2015 Chevrolet Silverado?

While some DIY enthusiasts may have the skills to diagnose and repair OBDII code P1915 in a 2015 Chevrolet Silverado, it is recommended to seek professional help due to the complexity of transmission-related issues. Incorrect repairs can lead to further damage and safety risks.

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