P2815 2016 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 2016 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 2016 GMC Sierra Description
What are the Possible Causes of the DTC P2815 2016 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 2016 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 2016 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 P2815 2016 GMC Sierra Code
1. What does the OBDII code P2815 mean on a 2016 GMC Sierra?
P2815 indicates a problem in the Transmission Control Solenoid Valve 7 Control Circuit, specifically that the circuit is experiencing high voltage.
2. What are common symptoms of code P2815 on a 2016 GMC Sierra?
Symptoms may include harsh shifting, transmission slipping, erratic gear changes, or the vehicle going into limp mode along with the check engine light being illuminated.
3. What causes the P2815 code to appear on a 2016 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. How do I diagnose the P2815 code on my 2016 GMC Sierra?
Start by checking the wiring and connectors for damage or corrosion, then test the transmission control solenoid for proper function. Use a scan tool to monitor the TCM for errors.
5. Can I continue driving my 2016 GMC Sierra with the P2815 code?
It’s not recommended to drive with this code as it may cause further transmission damage or unsafe driving conditions due to erratic shifting.
6. How do I fix the P2815 code on a 2016 GMC Sierra?
Repairs may include replacing the faulty solenoid, repairing or replacing damaged wiring or connectors, or reprogramming or replacing the TCM if necessary.
7. How much does it cost to repair a P2815 code on a 2016 GMC Sierra?
Costs vary depending on the repair needed. Solenoid replacement can cost $200-$400, while TCM repairs or replacements may range from $500-$1,200, including labor.
8. Can a failing battery cause the P2815 code on a 2016 GMC Sierra?
While unlikely, electrical issues such as a weak or failing battery can sometimes contribute to transmission control circuit problems.
9. How do I prevent the P2815 code from reoccurring on my 2016 GMC Sierra?
Regularly inspect and maintain the transmission system, including checking wiring and connectors for damage and ensuring proper fluid levels and quality.
10. Is the P2815 code covered under warranty for a 2016 GMC Sierra?
It depends on your warranty terms. Powertrain warranties often cover transmission-related issues, so check with your dealership or warranty provider.
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