P2812 2016 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 2016 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 2016 GMC Sierra Description
What are the Possible Causes of the DTC P2812 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 P2812 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 P2812 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 P2812 2016 GMC Sierra Code
1. What does OBDII code P2812 mean on a 2016 GMC Sierra?
Code P2812 indicates an open circuit in the transmission control solenoid valve 7 control circuit, which affects the transmission's ability to manage gear shifting properly.
2. What are the common symptoms of code P2812 in a GMC Sierra?
Symptoms include erratic or delayed shifting, the transmission stuck in one gear, reduced fuel efficiency, and the check engine light being illuminated.
3. What causes the P2812 code to appear?
Common causes include faulty transmission control solenoid 7, damaged or corroded wiring, a poor electrical connection in the circuit, or a malfunctioning transmission control module (TCM).
4. Can I drive my 2016 GMC Sierra with a P2812 code?
Driving with a P2812 code is not recommended, as it may cause further damage to the transmission and lead to unsafe driving conditions due to improper gear shifting.
5. How do I diagnose the P2812 code in my vehicle?
Start by inspecting the wiring and connectors associated with solenoid 7 for damage or corrosion. Then test the solenoid and circuit for continuity using a multimeter. A scan tool may also be used to monitor transmission data.
6. How is the P2812 code fixed?
Repairs may involve replacing the faulty solenoid, repairing or replacing damaged wiring, cleaning corroded connectors, or, in rare cases, replacing the transmission control module.
7. What tools are needed to troubleshoot the P2812 code?
Basic tools include a multimeter for testing electrical connections and a scan tool or OBDII code reader to clear the code and monitor live transmission data.
8. How much does it cost to repair the P2812 code on a GMC Sierra?
Repair costs vary based on the issue but can range from $150 to $500 for solenoid replacement, while wiring repairs or TCM replacement may cost more.
9. Can a dirty or low transmission fluid cause the P2812 code?
While it’s not a direct cause, dirty or low transmission fluid can contribute to solenoid issues, so checking and replacing the fluid may help prevent further problems.
10. Is the P2812 code specific to GMC Sierra trucks?
No, the P2812 code can appear on other vehicles with similar transmission systems, but the specific diagnosis and repair steps may vary by make and model.
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