P1915 2017 GMC Sierra Code - Internal Mode Switch Start/Wrong Range
Quick Answer
The park/neutral position switch and the 5 Hall Effect switches are internal to and part of the internal mode switch assembly. Common causes include Faulty Transmission Internal Mode Switch, Transmission Internal Mode Switch harness is open or shorted, Transmission Internal Mode Switch circuit poor electrical connection. 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 2017 GMC Sierra indicates Internal Mode Switch Start/Wrong Range.
- Common causes
- Common causes include Faulty Transmission Internal Mode Switch, Transmission Internal Mode Switch harness is open or shorted, Transmission Internal Mode Switch circuit poor electrical connection.
- 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.
Code P1915 2017 GMC Sierra Description
What are the Possible Causes of the DTC P1915 2017 GMC Sierra?
- Faulty Transmission Internal Mode Switch
- Transmission Internal Mode Switch harness is open or shorted
- Transmission Internal Mode Switch circuit poor electrical connection
- Faulty Transmission Control Module (TCM)
How to Fix the DTC P1915 2017 GMC Sierra?
Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.
What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the P1915 2017 GMC Sierra code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.
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Frequently Asked Questions about P1915 2017 GMC Sierra Code
1. What are common symptoms of OBDII code P1915 in a 2017 GMC Sierra related to the Internal Mode Switch Start/Wrong Range?
The common symptoms include difficulty starting the vehicle, incorrect gear indications on the dashboard, and possible issues with shifting gears.
2. What could cause the Internal Mode Switch Start/Wrong Range code (P1915) to trigger in a 2017 GMC Sierra?
The code P1915 is typically triggered by a faulty internal mode switch (IMS) or a problem with the transmission range sensor. Other potential causes may include damaged wiring or connectors.
3. How can I diagnose the Internal Mode Switch Start/Wrong Range issue (P1915) in my 2017 GMC Sierra?
Diagnosing the P1915 code may involve using a scan tool to retrieve the trouble codes, inspecting the internal mode switch and its wiring, and testing the transmission range sensor for proper function.
4. Can a DIY enthusiast repair the Internal Mode Switch Start/Wrong Range problem (P1915) in a 2017 GMC Sierra?
Unless you have experience with automotive diagnostics and repair, it's recommended to seek professional help to address the P1915 code. The repair may involve replacing the internal mode switch, fixing wiring issues, or adjusting the transmission range sensor.
5. Is it safe to drive my 2017 GMC Sierra with the OBDII code P1915 related to the Internal Mode Switch Start/Wrong Range?
It's not advisable to drive the vehicle with the P1915 code since it can lead to shifting problems and potential safety issues. It's best to have the issue diagnosed and repaired promptly.
6. How much does it cost to repair the Internal Mode Switch Start/Wrong Range issue (P1915) in a 2017 GMC Sierra?
The cost of repairing the P1915 code can vary depending on the exact cause of the issue, labor rates, and parts needed. It's recommended to obtain quotes from reputable mechanics or dealerships for an accurate estimate.
7. Can a low battery voltage cause the Internal Mode Switch Start/Wrong Range code (P1915) to appear in a 2017 GMC Sierra?
Low battery voltage can potentially affect the operation of various vehicle systems, including the internal mode switch and transmission range sensor, leading to the P1915 code. It's advisable to ensure the battery is in good condition.
8. Will resetting the OBDII code P1915 related to the Internal Mode Switch Start/Wrong Range in my 2017 GMC Sierra fix the issue?
Resetting the code may temporarily clear the warning light, but if the underlying problem causing the P1915 code is not addressed, it is likely to reappear. It's essential to diagnose and repair the issue to prevent further complications.
9. How long does it typically take to repair the Internal Mode Switch Start/Wrong Range issue (P1915) in a 2017 GMC Sierra?
The repair time for the P1915 code can vary based on the exact cause of the problem and the complexity of the repair. It's best to consult with a professional technician for an accurate assessment of the repair timeline.
10. Can a faulty internal mode switch cause other issues besides triggering the OBDII code P1915 in a 2017 GMC Sierra?
Yes, a faulty internal mode switch can cause various transmission-related problems, such as incorrect gear shifting, difficulty starting the vehicle, and issues with the transmission range selection. It's essential to address the internal mode switch issue promptly.
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