P1915 2014 GMC Sierra Code - Internal Mode Switch Start/Wrong Range
Quick Answer
The P1915 diagnostic trouble code (DTC) for a 2014 GMC Sierra refers to an issue with the Internal Mode Switch (IMS) start/wrong range. Common causes include Faulty Internal Mode Switch sensor, Wiring issues or electrical connection problems, Malfunctioning transmission control module. 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 2014 GMC Sierra indicates Internal Mode Switch Start/Wrong Range.
- Common causes
- Common causes include Faulty Internal Mode Switch sensor, Wiring issues or electrical connection problems, Malfunctioning transmission control module.
- 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.
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Code P1915 2014 GMC Sierra Description
The P1915 diagnostic trouble code (DTC) for a 2014 GMC Sierra refers to an issue with the Internal Mode Switch (IMS) start/wrong range. The IMS is a component within the transmission that communicates with the vehicle's control module to determine the gear selection. When this code is triggered, it indicates that there is a problem with the IMS either starting or being in the wrong range, which can lead to various performance issues in the vehicle.
Common Causes of P1915 2014 GMC Sierra
- Faulty Internal Mode Switch sensor
- Wiring issues or electrical connection problems
- Malfunctioning transmission control module
- Low transmission fluid levels
- Mechanical issues within the transmission
Symptoms of P1915 2014 GMC Sierra
- Erratic shifting or difficulty changing gears
- Delayed or harsh shifting
- Vehicle not starting or moving
- Check engine light illuminated
- Transmission slipping
How to Fix P1915 2014 GMC Sierra
- Diagnose the issue by using a scan tool to retrieve the specific DTC and identify the root cause of the problem.
- Inspect the Internal Mode Switch sensor and wiring for any signs of damage or corrosion. Replace any faulty components.
- Check the transmission control module for proper operation and reprogram if necessary.
- Ensure that the transmission fluid levels are adequate and top up if needed.
- Test drive the vehicle to confirm that the issue has been resolved and clear the DTC from the vehicle's memory.
Cost to Fix P1915 2014 GMC Sierra
The typical repair costs for addressing the P1915 code on a 2014 GMC Sierra can range from $200 to $500, depending on the specific cause of the issue and the cost of parts and labor. It's important to note that diagnosis time and labor rates at auto repair shops can vary, so it's advisable to check with local shops for a more accurate estimate. Additionally, rates may be higher at dealerships or in metropolitan areas, while independent shops may offer more competitive pricing.
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