P0762 2018 GMC Sierra Code - Shift Solenoid Valve 3 Performance Stuck On
Quick Answer
The P0762 diagnostic trouble code (DTC) for a 2018 GMC Sierra indicates that the Shift Solenoid Valve 3 is stuck in the on position, affecting the transmission's performance. Common causes include Faulty Shift Solenoid Valve 3, Wiring or electrical issues related to the solenoid, Low transmission fluid level or poor quality fluid. 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
- P0762 2018 GMC Sierra indicates Shift Solenoid Valve 3 Performance Stuck On.
- Common causes
- Common causes include Faulty Shift Solenoid Valve 3, Wiring or electrical issues related to the solenoid, Low transmission fluid level or poor quality fluid.
- 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 P0762 2018 GMC Sierra Description
The P0762 diagnostic trouble code (DTC) for a 2018 GMC Sierra indicates that the Shift Solenoid Valve 3 is stuck in the on position, affecting the transmission's performance. The shift solenoid valves are crucial components of the transmission system that control the flow of transmission fluid to engage the appropriate gear. In this case, when the Shift Solenoid Valve 3 is stuck on, it can lead to issues with shifting gears smoothly, resulting in poor performance, decreased fuel efficiency, and potential damage to the transmission over time.
Common Causes of P0762 2018 GMC Sierra
- Faulty Shift Solenoid Valve 3
- Wiring or electrical issues related to the solenoid
- Low transmission fluid level or poor quality fluid
- Mechanical issues within the transmission
- Software or programming issues in the transmission control module
Symptoms of P0762 2018 GMC Sierra
- Harsh or delayed shifting between gears
- Erratic behavior while driving
- Transmission slipping
- Decreased fuel efficiency
- Illumination of the Check Engine Light
How to Fix P0762 2018 GMC Sierra
- Diagnose the issue by using a scan tool to retrieve the DTC and inspect the Shift Solenoid Valve 3 for any visible damage.
- Check the wiring and electrical connections related to the solenoid for any signs of wear, corrosion, or damage.
- Inspect the transmission fluid level and quality, topping up or replacing it if necessary.
- Replace the Shift Solenoid Valve 3 if it is found to be faulty, ensuring proper installation and connection.
- Clear the DTC and test drive the vehicle to confirm that the issue has been resolved.
Cost to Fix P0762 2018 GMC Sierra
The typical repair costs for addressing a P0762 code can range from $200 to $500, including parts and labor. However, the specific diagnosis time and labor rates at auto repair shops can vary based on factors such as location, vehicle make and model, and engine type. It's advisable to check local rates for a more precise estimate. Keep in mind that rates in metropolitan areas or at dealerships may be higher, while independent shops often charge less.
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