P2812 2015 GMC Sierra Code - Transmission Control Solenoid Valve 7 Control Circuit Open
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
- P2812 2015 GMC Sierra indicates Transmission Control Solenoid Valve 7 Control Circuit Open.
- 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 P2812 2015 GMC Sierra Description
What are the Possible Causes of the DTC P2812 2015 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 P2812 2015 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 P2812 2015 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 P2812 2015 GMC Sierra Code
1. What does OBDII code P2812 mean on a 2015 GMC Sierra?
Code P2812 indicates an open circuit in the Transmission Control Solenoid Valve 7 control circuit, which affects the transmission's ability to shift properly.
2. What are the common symptoms of code P2812 on a 2015 GMC Sierra?
Symptoms include harsh or erratic shifting, transmission slipping, failure to engage certain gears, and potentially the illumination of the check engine light.
3. What causes the P2812 code to appear on a 2015 GMC Sierra?
Common causes include a faulty transmission control solenoid, damaged or corroded wiring in the solenoid circuit, or a problem with the powertrain control module (PCM).
4. Can I drive my 2015 GMC Sierra with code P2812?
Driving with this code is not recommended because it can cause further transmission damage and lead to unsafe driving conditions.
5. How do you diagnose the P2812 code on a 2015 GMC Sierra?
Diagnosis involves using a scan tool to confirm the code, inspecting the transmission solenoid wiring for damage, testing the solenoid for proper operation, and checking for PCM-related issues.
6. How do you fix code P2812 on a 2015 GMC Sierra?
Repairs may include replacing the faulty transmission control solenoid, repairing or replacing damaged wiring, or reprogramming or replacing the PCM if necessary.
7. How much does it cost to repair code P2812 on a 2015 GMC Sierra?
Repair costs vary but typically range from $200 to $600, depending on whether the issue is with the solenoid, wiring, or PCM.
8. Can a low transmission fluid level cause code P2812 on a 2015 GMC Sierra?
Low transmission fluid levels can cause shifting issues, but they are unlikely to directly trigger this specific code, which relates to an electrical circuit problem.
9. Do I need to replace all transmission solenoids if code P2812 appears on my 2015 GMC Sierra?
Not necessarily. Only the solenoid associated with the code (Solenoid Valve 7) may need replacement, but a professional diagnosis is essential to confirm.
10. Will clearing the code P2812 solve the problem on a 2015 GMC Sierra?
Simply clearing the code will not fix the underlying issue. The cause of the open circuit must be diagnosed and repaired to resolve the problem permanently.
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