P2812 2017 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 2017 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 2017 GMC Sierra Description
What are the Possible Causes of the DTC P2812 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 P2812 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 P2812 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.
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Frequently Asked Questions about P2812 2017 GMC Sierra Code
1. What does the OBDII code P2812 mean on a 2017 GMC Sierra?
The P2812 code indicates an issue with the Transmission Control Solenoid Valve 7 Control Circuit, specifically an open circuit.
2. What are the common symptoms of the P2812 code on a 2017 GMC Sierra?
Symptoms may include harsh or delayed shifting, failure to shift gears, transmission slipping, or the check engine light turning on.
3. What causes the P2812 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 issues with the transmission control module (TCM).
4. Can I drive my 2017 GMC Sierra with the P2812 code?
Driving with this code is not recommended as it may lead to further transmission damage or unsafe driving conditions due to shifting issues.
5. How do I diagnose the P2812 code on a 2017 GMC Sierra?
Diagnosis involves using an OBDII scanner to confirm the code, visually inspecting the wiring and connectors, testing the solenoid for continuity, and checking the TCM for proper operation.
6. How much does it cost to fix the P2812 code on a 2017 GMC Sierra?
Repair costs vary, but replacing a transmission control solenoid typically ranges from $150 to $400, including parts and labor. Additional costs may apply if wiring or the TCM needs repair.
7. Can a bad battery cause the P2812 code on a 2017 GMC Sierra?
While unlikely, a weak or failing battery can cause electrical issues that might affect the transmission control solenoid circuit.
8. How do I reset the P2812 code after repair on a 2017 GMC Sierra?
You can reset the code using an OBDII scanner after confirming the repair is complete. If the issue persists, the code may return.
9. What tools are needed to fix the P2812 code on a 2017 GMC Sierra?
You’ll need an OBDII scanner, a multimeter for testing electrical circuits, and basic hand tools for accessing the transmission components.
10. Can a software update fix the P2812 code on a 2017 GMC Sierra?
In some cases, a TCM software update from a dealership may resolve the issue if the problem is related to programming rather than hardware.
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