P2815 2017 GMC Sierra Code - Transmission Control Solenoid Valve 7 Control Circuit High Voltage
Quick Answer
The Transmission Control Solenoid Valve Solenoid Valve is an electronic pressure regulator that controls transmission line pressure based on current flow through its coil windings. Common causes include Low transmission fluid level, Dirty transmission fluid, Faulty Transmission Control Solenoid Valve. 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
- P2815 2017 GMC Sierra indicates Transmission Control Solenoid Valve 7 Control Circuit High Voltage.
- Common causes
- Common causes include Low transmission fluid level, Dirty transmission fluid, Faulty Transmission Control Solenoid Valve.
- 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 P2815 2017 GMC Sierra Description
What are the Possible Causes of the DTC P2815 2017 GMC Sierra?
- Low transmission fluid level
- Dirty transmission fluid
- Faulty Transmission Control Solenoid Valve
- Transmission Control Solenoid Valve harness is open or shorted
- Transmission Control Solenoid Valve circuit poor electrical connection
- Faulty Transmission Control Module (TCM)
How to Fix the DTC P2815 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 P2815 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.
Need more information about the P2815 2017 GMC Sierra code?
Need more information on how to fix the P2815 2017 GMC Sierra code? Get Access to Factory Service Manuals
Need Help with the Code?
Get the P2815 2017 GMC Sierra code diagnosed by a professional: Find a repair shop in your area
Frequently Asked Questions about P2815 2017 GMC Sierra Code
1. What does the OBDII code P2815 mean on a 2017 GMC Sierra?
Code P2815 indicates a high voltage issue in the Transmission Control Solenoid Valve 7 Control Circuit, which is responsible for regulating hydraulic pressure in the transmission.
2. What are common symptoms of the P2815 code on a 2017 GMC Sierra?
Symptoms may include harsh or delayed shifting, transmission slipping, decreased fuel efficiency, or the vehicle going into limp mode.
3. What causes the P2815 code to appear on a 2017 GMC Sierra?
Common causes include a faulty transmission control solenoid, damaged wiring or connectors in the solenoid circuit, or a malfunctioning transmission control module (TCM).
4. Can I drive my 2017 GMC Sierra with the P2815 code?
While the vehicle may still be drivable, continued use with this code can cause further damage to the transmission. It's best to address the issue promptly.
5. How is the P2815 code diagnosed on a 2017 GMC Sierra?
A mechanic will use an OBDII scanner to confirm the code, inspect related wiring and connectors, test the solenoid for proper function, and check the TCM for faults.
6. How do you fix the P2815 code on a 2017 GMC Sierra?
Repairs may involve replacing the faulty transmission solenoid, repairing or replacing damaged wiring or connectors, or reprogramming or replacing the TCM.
7. What tools are needed to troubleshoot the P2815 code on a 2017 GMC Sierra?
Diagnosing this code typically requires an OBDII scanner, a multimeter for testing electrical circuits, and possibly a transmission pressure gauge.
8. How much does it cost to fix the P2815 code on a 2017 GMC Sierra?
Repair costs vary but may range from $200 to $500 for solenoid replacement, with additional costs if wiring or TCM replacement is required.
9. Can a weak battery cause the P2815 code on a 2017 GMC Sierra?
A weak battery is unlikely to directly cause this code, but voltage irregularities can sometimes affect transmission control systems. It's worth checking the battery and charging system.
10. Will clearing the P2815 code fix the issue on a 2017 GMC Sierra?
Clearing the code will remove it temporarily, but if the underlying issue isn't resolved, the code will likely return.
Discuss the causes and fixes for P2815 2017 GMC Sierra OBDII Code
Code P2815 2017 GMC Sierra comments
No comments found for this page.
Fix Your Car Smarter
Try the New AutoCodes App!
Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.
